CN111489848A - Conductive silver paste for ceramic filter and preparation method thereof - Google Patents
Conductive silver paste for ceramic filter and preparation method thereof Download PDFInfo
- Publication number
- CN111489848A CN111489848A CN202010317536.1A CN202010317536A CN111489848A CN 111489848 A CN111489848 A CN 111489848A CN 202010317536 A CN202010317536 A CN 202010317536A CN 111489848 A CN111489848 A CN 111489848A
- Authority
- CN
- China
- Prior art keywords
- silver paste
- conductive silver
- parts
- organic
- ceramic filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 139
- 239000000919 ceramic Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 59
- 239000011521 glass Substances 0.000 claims abstract description 58
- 239000003960 organic solvent Substances 0.000 claims abstract description 43
- 239000006259 organic additive Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 239000006185 dispersion Substances 0.000 claims abstract description 10
- 238000005245 sintering Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 23
- 239000000020 Nitrocellulose Substances 0.000 claims description 18
- 229920001220 nitrocellulos Polymers 0.000 claims description 18
- WAEVWDZKMBQDEJ-UHFFFAOYSA-N 2-[2-(2-methoxypropoxy)propoxy]propan-1-ol Chemical compound COC(C)COC(C)COC(C)CO WAEVWDZKMBQDEJ-UHFFFAOYSA-N 0.000 claims description 15
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 15
- 239000001856 Ethyl cellulose Substances 0.000 claims description 15
- 229920001249 ethyl cellulose Polymers 0.000 claims description 15
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 15
- 239000002952 polymeric resin Substances 0.000 claims description 13
- 229920003002 synthetic resin Polymers 0.000 claims description 13
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 claims description 11
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 claims description 11
- 229940116411 terpineol Drugs 0.000 claims description 11
- 229920000896 Ethulose Polymers 0.000 claims description 10
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 claims description 10
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 claims description 8
- 229910052681 coesite Inorganic materials 0.000 claims description 8
- 229910052906 cristobalite Inorganic materials 0.000 claims description 8
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052682 stishovite Inorganic materials 0.000 claims description 8
- 229910052905 tridymite Inorganic materials 0.000 claims description 8
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims description 7
- CRWNQZTZTZWPOF-UHFFFAOYSA-N 2-methyl-4-phenylpyridine Chemical compound C1=NC(C)=CC(C=2C=CC=CC=2)=C1 CRWNQZTZTZWPOF-UHFFFAOYSA-N 0.000 claims description 7
- QCAHUFWKIQLBNB-UHFFFAOYSA-N 3-(3-methoxypropoxy)propan-1-ol Chemical compound COCCCOCCCO QCAHUFWKIQLBNB-UHFFFAOYSA-N 0.000 claims description 7
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 229910052593 corundum Inorganic materials 0.000 claims description 7
- 239000007822 coupling agent Substances 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000004014 plasticizer Substances 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 7
- ZFOZVQLOBQUTQQ-UHFFFAOYSA-N Tributyl citrate Chemical compound CCCCOC(=O)CC(O)(C(=O)OCCCC)CC(=O)OCCCC ZFOZVQLOBQUTQQ-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 241000779819 Syncarpia glomulifera Species 0.000 claims description 4
- 239000001739 pinus spp. Substances 0.000 claims description 4
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 229940036248 turpentine Drugs 0.000 claims description 4
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 3
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 claims description 3
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004359 castor oil Substances 0.000 claims description 3
- 235000019438 castor oil Nutrition 0.000 claims description 3
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 3
- APVVRLGIFCYZHJ-UHFFFAOYSA-N trioctyl 2-hydroxypropane-1,2,3-tricarboxylate Chemical compound CCCCCCCCOC(=O)CC(O)(C(=O)OCCCCCCCC)CC(=O)OCCCCCCCC APVVRLGIFCYZHJ-UHFFFAOYSA-N 0.000 claims description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 16
- 229910052709 silver Inorganic materials 0.000 description 15
- 239000004332 silver Substances 0.000 description 15
- 239000011787 zinc oxide Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002503 metabolic effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 235000019606 astringent taste Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229940023462 paste product Drugs 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
- H01B1/16—Conductive material dispersed in non-conductive inorganic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Glass Compositions (AREA)
- Conductive Materials (AREA)
Abstract
The invention relates to a preparation method of conductive silver paste for a ceramic filter, which comprises the following components, by weight, 50-80 parts of metal silver powder, 2-5 parts of glass powder, 10-30 parts of an organic carrier, 1-3 parts of an organic additive and 1-10 parts of an organic solvent, wherein the glass powder is lead-free glass powder, the thermal expansion coefficient is 110-120 × 10-7/° C, the sintering temperature is 550-750 ℃, the organic carrier and the organic solvent are firstly added into a mixer, the metal silver powder, the glass powder and the organic additive are then added, the mixture is fully mixed and then transferred into a high-speed dispersion machine, high-speed dispersion is carried out uniformly, so that the conductive silver paste is prepared, the prepared conductive silver paste is ground in a three-roll mill, the fineness of the conductive silver paste is smaller than 10 micrometers through fine adjustment rollers, the viscosity is 30-50 Pa · S, so that the conductive silver paste for the ceramic filter is prepared.
Description
Technical Field
The invention belongs to the technical field of electronic materials, and particularly relates to conductive silver paste for a ceramic filter and a preparation method thereof.
Background
The ceramic filter is made of lead zirconate titanate ceramic material, the ceramic material is made into sheet GTZB, two surfaces of the ceramic material are coated with silver and used as electrodes, after direct current high voltage polarization, the ceramic filter has the function of piezoelectric effect to filter, has the characteristics of stability and good anti-interference performance, is widely applied to various electronic products such as televisions, video recorders, radios and the like as frequency selection elements, has the advantages of stable performance, no need of adjustment, low price and the like, and replaces the traditional L C filter network.
The piezoelectric ceramic filter for TV sound IF filtering is also named as trap multiple mode ceramic filter, and the TV set produced in recent years has almost replaced traditional L C network filter successfully, and the piezoelectric ceramic filter has the function of utilizing the difference between image IF (38MHz) and sound first IF (31.5MHz) to obtain the second 6.5MHz sound IF, and in order to select the frequency modulated wave carrying sound information, the sound amplifying circuit has frequency selecting characteristic, and the 6.5MHz piezoelectric ceramic filter is used mainly in color TV sound circuit for 6.5MHz filtering, and attenuates video signal and takes out 6.5MHz sound IF signal to be amplified.
Chinese patent CN103545012B discloses a conductive silver paste for a filter and a preparation method thereof, wherein the conductive silver paste for the filter comprises, by mass, 65% -80% of silver powder, 1% -5% of glass powder, 1% -6% of resin, 0.1% -8% of an inorganic additive and 12% -21% of an organic solvent. And obtaining the conductive silver paste for the filter by adopting a proper component proportion. The particle size of the silver powder is 0.1-2 microns, and the glass powder is Bi2O3-CuO-SiO2A glass powder system; the resin is at least one selected from acrylic resin and polyamide wax, the inorganic additive is at least one selected from zinc oxide, bismuth oxide, aluminum oxide and silver oxide, and the organic solvent is at least one selected from aliphatic hydrocarbon, aliphatic hydrocarbon derivative, alcohol derivative containing more than 8 carbon atoms and acetate derivative. After the conductive silver paste for the filter is coated on the substrate and sintered, the silver conductive layer with higher compactness, high adhesive force, high conductivity and better weldability is formed, however, the glass powder adopted by the filter is the traditional glass powder, and the silver conductive layer is sinteredThe required process temperature is high, the phenomenon of under-burning is easily caused, the acrylic resin is selected, the comprehensive performance of the acrylic resin is not as good as that of ethyl cellulose, and the zinc oxide type stepless additive can improve the oxidation resistance to a certain extent, but the effect is not clear, so that the stability of the whole silver paste is poor.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the conductive silver paste for the ceramic filter, which has the advantages of quick heating, long service life and low price, and the preparation method thereof.
The conductive silver paste for the ceramic filter is characterized by comprising, by weight, 50-80 parts of metal silver powder, 2-5 parts of glass powder, 10-30 parts of organic carrier, 1-3 parts of organic additive and 1-10 parts of organic solvent, wherein the glass powder is lead-free glass powder, and the thermal expansion coefficient is 110-120 × 10-7The sintering temperature is 550-750 ℃, and the glass powder comprises the following components in percentage by weight: bi2O375～85％、ZnO 5～15％、B2O33～10％、SiO21～5％、Na2O 1～3％、TiO20 to 3% and Al2O30～2％。
Preferably, the conductive silver paste preferably comprises the following components in parts by weight: 56-78 parts of metal silver powder, 2-3 parts of glass powder, 14-28 parts of organic carrier, 1-3 parts of organic additive and 5-10 parts of organic solvent.
The silver powder is spherical silver powder, the particle diameter is 0.5-2.0 mu m, and the tap density is 2.0-3.0 g/ml.
The organic carrier is formed by mixing high molecular resin and an organic solvent, and the preparation method comprises the following steps: mixing the polymer resin and the organic solvent according to the mass ratio of 1:4, heating to 70-80 ℃, keeping the temperature until the polymer resin is completely dissolved, and filtering and removing impurities by using a 300-400-mesh net cloth to obtain the organic carrier.
The high polymer resin comprises one or more of ethyl cellulose, nitrocellulose, ethyl hydroxyethyl cellulose and wood rosin, and the organic solvent is one or more of terpineol, turpentine, diethylene glycol butyl ether, diethylene glycol dibutyl ether, butyl carbitol acetate, dipropylene glycol monomethyl ether and tripropylene glycol monomethyl ether.
The polymer resin is preferably one or a mixture of ethyl cellulose and nitrocellulose, and the organic solvent is preferably terpineol, tripropylene glycol monomethyl ether or a mixture of diethylene glycol butyl ether and dipropylene glycol monomethyl ether.
Furthermore, the high polymer resin is one or a mixture of ethyl cellulose and nitrocellulose, the ethyl cellulose is generally insoluble in water and soluble in different organic solvents, the thermal stability is good, the ash content during combustion is extremely low, the adhesion or the astringency are less, a tough film can be generated, the flexibility can be still kept at low temperature, and the product is nontoxic, has extremely strong biological resistance and metabolic inertia, but is easy to be subjected to oxidative degradation under sunlight or ultraviolet light; the nitrocellulose is taken as the high molecular resin, so that the coating layer has the advantages of higher brightness and metal texture.
Further, the organic solvent is terpineol, tripropylene glycol monomethyl ether or a mixture of diethylene glycol butyl ether and dipropylene glycol monomethyl ether. The organic solvents selected by the invention have hydrophilicity, low evaporativity and excellent solubility and coupling property, can be well fused and dispersed with high polymer resin, and are also beneficial to the efficient dispersion of silver powder and glass powder in a carrier.
The organic additive comprises a plasticizer, a leveling agent and a coupling agent, wherein the mass ratio of the plasticizer to the leveling agent to the coupling agent in the organic additive is (1-2) to 1: 1. The plasticizer comprises one or more of dibutyl phthalate, tributyl citrate, dioctyl phthalate and trioctyl citrate; the leveling agent comprises one or more of organic silicon resin, hydrogenated castor oil, polyvinyl butyral and polyacrylate; the coupling agent comprises one or more of silane coupling agents KH550, KH560 and KH 570.
The organic solvent is one or more of terpineol, turpentine, diethylene glycol butyl ether, diethylene glycol dibutyl ether, butyl carbitol acetate, dipropylene glycol monomethyl ether and tripropylene glycol monomethyl ether.
A preparation method of conductive silver paste for a ceramic filter comprises the following steps:
(1) preparing the following components in parts by weight:
50-80 parts of metal silver powder, 2-5 parts of glass powder, 10-30 parts of organic carrier, 1-3 parts of organic additive and 1-10 parts of organic solvent;
(2) preparing conductive silver paste: adding the organic carrier and the organic solvent into a mixer according to the weight parts in the step (1), adding the metal silver powder, the glass powder and the organic additive, fully mixing, transferring into a high-speed dispersion machine, and uniformly dispersing at a high speed to obtain the conductive silver paste;
(3) production of conductive silver paste: and (3) grinding the conductive silver paste prepared in the step (2) in a three-roll mill, and finely adjusting a roller to ensure that the fineness of the conductive silver paste is less than 10 microns and the viscosity is 30-50 Pa.S, thus preparing the conductive silver paste for the ceramic filter.
The dispersing speed of the high-speed dispersing machine in the step (3) is 65-70 r/min.
Compared with the prior art, the invention has the following advantages:
1. the electric conductivity, soldering tin performance and compactness of the silver paste are solved by selecting the superfine ball powder; the problems of tension and sticking between the silver paste and the ceramic are solved by selecting the glass powder; the problems of technological performance, use environment and the like of silver paste printing are solved through the selection of organic substances. The silver powder in the silver paste has large grain size and grain size distribution, and plays a great role in the high temperature and high humidity resistance of the ceramic. After the silver paste with small particle size and narrow distribution is sintered at high temperature, the surface of the silver layer is more compact and is not easy to be infiltrated by moisture, and the ohmic contact resistance of the silver layer is very small.
2. The glass powder with a special formula is adopted, and the thermal expansion coefficient is 110-120 × 10-7The sintering temperature is 550-750 ℃, and the thermal expansion coefficient of the ceramic substrate is matched.
The glass powder is mainly between the base material and the metal silver powder, plays a role of a binder, and the acid resistance and the adhesive force of the silver paste are determined by the performance of the glass powder; the metal silver powder is embedded in the glass powder, and gaps with different sizes are formed among the metal silver powder and the glass powder; the relative proportion of the glass powder and the silver powder also has certain influence on the adhesive force and the oxidation resistance of the silver paste.
3. The invention adopts the polymer resin and the organic solvent to prepare the organic carrier, the polymer resin is dissolved in the organic solvent, the thermal stability is good, the ash content is extremely low during the combustion, the adhesion feeling or the acerbity is rare, a tough film can be generated, the flexibility can still be kept at low temperature, and the invention has no toxicity, extremely strong biological resistance and metabolic inertia.
4. According to the invention, the plasticizer, the leveling agent and the coupling agent are used as organic additives, and the silver powder and the glass powder are matched, so that the viscosity of the carrier resin can be reduced, the slurry has good flexibility and permeability, the film is formed uniformly and naturally, and the silver paste product has good surface quality and mechanical, thermal and electrical properties.
5. The preparation process of the conductive silver paste comprises the steps of uniformly mixing the organic carrier and the organic solvent to prepare a uniform colloidal solution, sequentially adding other components, mixing by a mixer, grinding by a three-roll grinder and the like, and the prepared conductive silver paste for the filter can form a conductive silver layer with high compactness, high adhesive force, high conductivity, good weldability and stable performance.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
Example 1
In this embodiment, a conductive silver paste for a ceramic filter includes the following components by weight percent: 55% of metal silver powder, 3% of glass powder, 29% of organic carrier, 3% of organic additive and 10% of organic solvent.
Wherein the silver powder is spherical silver powder with particle diameter of 0.95 μm and tap density of 2.2gThe glass powder is lead-free glass powder with a thermal expansion coefficient of 115 × 10-7The sintering temperature is 650 ℃, and the glass powder comprises the following components in percentage by weight: bi2O379％、ZnO 8％、B2O37％、SiO23％、Na2O 2％、TiO20.5% and Al2O30.5％。
The organic carrier is prepared by mixing ethyl cellulose and terpineol, and the preparation method comprises the following steps: adding ethyl cellulose into terpineol according to the mass ratio of the ethyl cellulose to the terpineol of 1:4, heating to 80 ℃, keeping the temperature until the ethyl cellulose is completely dissolved, and filtering and removing impurities by using 400-mesh screen cloth to obtain the organic carrier.
The organic solvent is terpineol.
The organic additive is prepared by mixing dibutyl phthalate, organic silicon resin and a silane coupling agent KH550 according to the mass ratio of 1:1: 1.
The preparation method of the conductive silver paste for the ceramic filter in the embodiment specifically comprises the following steps:
(1) preparing the following components in percentage by weight:
(2) preparing conductive silver paste: adding the organic carrier and the organic solvent into a mixer according to the weight percentage in the step (1), adding the metal silver powder, the glass powder and the organic additive, fully mixing, transferring into a high-speed dispersion machine, and uniformly dispersing at a high speed to obtain the conductive silver paste;
(3) production of conductive silver paste: and (3) grinding the conductive silver paste prepared in the step (2) in a three-roll mill, and finely adjusting a roller to ensure that the fineness of the conductive silver paste is less than 10 microns and the viscosity is 30-50 Pa.S, thus preparing the conductive silver paste for the ceramic filter.
Example 2:
in this embodiment, a conductive silver paste for a ceramic filter includes the following components by weight percent: 80% of metal silver powder, 2% of glass powder, 16% of organic carrier, 1% of organic additive and 1% of organic solvent.
Wherein the silver powder is spherical silver powder with particle diameter of 1.2 μm and tap density of 2.5g/ml, and the glass powder is lead-free glass powder with thermal expansion coefficient of 110 × 10-7The sintering temperature is 550 ℃, and the glass powder comprises the following components in percentage by weight: bi2O381％、ZnO 6.5％、B2O36.5％、SiO22％、Na2O 3％、TiO20.5% and Al2O30.5％。
The organic carrier is formed by mixing nitrocellulose and tripropylene glycol monomethyl ether, and the specific preparation method comprises the following steps: adding the nitrocellulose into the tripropylene glycol monomethyl ether according to the mass ratio of the nitrocellulose to the tripropylene glycol monomethyl ether of 1:4, heating to 80 ℃, keeping the temperature until the nitrocellulose is completely dissolved, and filtering and removing impurities by using a 400-mesh net cloth to obtain the organic carrier.
The organic solvent is tripropylene glycol monomethyl ether.
The organic additive is prepared by mixing dibutyl phthalate, polyvinyl butyral and a silane coupling agent KH560 according to the mass ratio of 2:1: 1.
The preparation method of the conductive silver paste for the ceramic filter in the embodiment specifically comprises the following steps:
(1) preparing the following components in percentage by weight:
(2) preparing conductive silver paste: adding the organic carrier and the organic solvent into a mixer according to the weight percentage in the step (1), adding the metal silver powder, the glass powder and the organic additive, fully mixing, transferring into a high-speed dispersion machine, and uniformly dispersing at a high speed to obtain the conductive silver paste;
(3) production of conductive silver paste: and (3) grinding the conductive silver paste prepared in the step (2) in a three-roll mill for 6 times, and finely adjusting a roller to ensure that the fineness of the conductive silver paste is less than 10 mu m and the viscosity is 30-50 Pa.S, thus obtaining the conductive silver paste for the ceramic filter.
Example 3:
in this embodiment, a conductive silver paste for a ceramic filter includes the following components by weight percent: 56% of metal silver powder, 3% of glass powder, 28% of organic carrier, 3% of organic additive and 10% of organic solvent.
Wherein the silver powder is spherical silver powder with particle diameter of 0.5 μm and tap density of 2.0g/ml, and the glass powder is lead-free glass powder with thermal expansion coefficient of 115 × 10-7The sintering temperature is 700 ℃, and the glass powder comprises the following components in percentage by weight: bi2O385％、ZnO 5％、B2O33％、SiO21％、Na2O 1％、TiO23% and Al2O32％。
The organic carrier is prepared by mixing ethyl hydroxyethyl cellulose and butyl carbitol acetate, and the specific preparation method comprises the following steps: adding ethyl hydroxyethyl cellulose into butyl carbitol acetate according to the mass ratio of the ethyl hydroxyethyl cellulose to the butyl carbitol acetate of 1:4, heating to 70 ℃, keeping the temperature until the ethyl hydroxyethyl cellulose is completely dissolved, and filtering and removing impurities by using a 300-mesh net cloth to obtain the organic carrier.
The organic solvent is butyl carbitol acetate.
The organic additive is prepared by mixing tributyl citrate, hydrogenated castor oil and a silane coupling agent KH570 in a mass ratio of 1.6:1: 1.
The preparation method of the conductive silver paste for the ceramic filter in the embodiment specifically comprises the following steps:
(1) preparing the following components in percentage by weight:
(2) preparing conductive silver paste: adding the organic carrier and the organic solvent into a mixer according to the weight percentage in the step (1), adding the metal silver powder, the glass powder and the organic additive, fully mixing, transferring into a high-speed dispersion machine, and uniformly dispersing at a high speed to obtain the conductive silver paste;
(3) production of conductive silver paste: and (3) grinding the conductive silver paste prepared in the step (2) in a three-roll mill for 3 times, and finely adjusting a roller to ensure that the fineness of the conductive silver paste is less than 10 mu m and the viscosity is 30-50 Pa.S, thus obtaining the conductive silver paste for the ceramic filter.
Example 4:
in this embodiment, a conductive silver paste for a ceramic filter includes the following components by weight percent: 55% of metal silver powder, 5% of glass powder, 30% of organic carrier, 2% of organic additive and 8% of organic solvent.
Wherein the silver powder is spherical silver powder with particle diameter of 0.8 μm and tap density of 2.4g/ml, and the glass powder is lead-free glass powder with thermal expansion coefficient of 110 × 10-7The sintering temperature is 550 ℃, and the glass powder comprises the following components in percentage by weight: bi2O375％、ZnO 6％、B2O310％、SiO25％、Na2O 3％、TiO20.5% and Al2O30.5％。
The organic carrier is prepared by mixing ethyl cellulose, nitrocellulose and diethylene glycol dibutyl ether, and the preparation method comprises the following steps: adding ethyl cellulose and nitrocellulose into diethylene glycol dibutyl ether according to the mass ratio of 1:1:8 of the ethyl cellulose to the nitrocellulose to the diethylene glycol dibutyl ether, heating to 78 ℃, keeping the temperature until the ethyl cellulose and the nitrocellulose are completely dissolved, and filtering and removing impurities by using 400-mesh screen cloth to obtain the organic carrier.
The organic solvent is diethylene glycol dibutyl ether.
The organic additive is prepared by mixing trioctyl citrate, polyvinyl butyral and a silane coupling agent KH560 according to the mass ratio of 1:1: 1.
The preparation method of the conductive silver paste for the ceramic filter in the embodiment specifically comprises the following steps:
(1) preparing the following components in percentage by weight:
(2) preparing conductive silver paste: adding the organic carrier and the organic solvent into a mixer according to the weight percentage in the step (1), adding the metal silver powder, the glass powder and the organic additive, fully mixing, transferring into a high-speed dispersion machine, and uniformly dispersing at a high speed to obtain the conductive silver paste;
(3) production of conductive silver paste: and (3) grinding the conductive silver paste prepared in the step (2) in a three-roll mill for 8 times, and finely adjusting a roller to ensure that the fineness of the conductive silver paste is less than 10 mu m and the viscosity is 30-50 Pa.S, thus obtaining the conductive silver paste for the ceramic filter.
Example 5:
in this embodiment, a conductive silver paste for a ceramic filter includes the following components by weight percent: 75% of metal silver powder, 5% of glass powder, 10% of organic carrier, 2% of organic additive and 8% of organic solvent.
Wherein the silver powder is spherical silver powder with particle diameter of 2.0 μm and tap density of 3.0g/ml, and the glass powder is lead-free glass powder with thermal expansion coefficient of 120 × 10-7The sintering temperature is 700 ℃, and the glass powder comprises the following components in percentage by weight: bi2O382％、ZnO 10％、B2O33％、SiO21％、Na2O 2％、TiO21% and Al2O31％。
The organic carrier is formed by mixing nitrocellulose, ethyl hydroxyethyl cellulose and tripropylene glycol monomethyl ether, and the specific preparation method comprises the following steps: adding the nitrocellulose and the ethyl hydroxyethyl cellulose into the tripropylene glycol monomethyl ether according to the mass ratio of the nitrocellulose to the ethyl hydroxyethyl cellulose to the tripropylene glycol monomethyl ether of 1:1:8, heating to 80 ℃, keeping the temperature until the nitrocellulose and the ethyl hydroxyethyl cellulose are completely dissolved, and filtering and removing impurities by using a 400-mesh net cloth to obtain the organic carrier.
The organic solvent is tripropylene glycol monomethyl ether.
The organic additive is prepared by mixing dioctyl phthalate, organic silicon resin and silane coupling agent KH550 according to the mass ratio of 1.3:1: 1.
The preparation method of the conductive silver paste for the ceramic filter in the embodiment specifically comprises the following steps:
(1) preparing the following components in percentage by weight:
(2) preparing conductive silver paste: adding the organic carrier and the organic solvent into a mixer according to the weight percentage in the step (1), adding the metal silver powder, the glass powder and the organic additive, fully mixing, transferring into a high-speed dispersion machine, and uniformly dispersing at a high speed to obtain the conductive silver paste;
(3) production of conductive silver paste: and (3) grinding the conductive silver paste prepared in the step (2) in a three-roll mill for 9 times, and finely adjusting a roller to ensure that the fineness of the conductive silver paste is less than 10 mu m and the viscosity is 30-50 Pa.S, thus obtaining the conductive silver paste for the ceramic filter.
Claims (10)
1. The conductive silver paste for the ceramic filter is characterized by comprising the following components, by weight, 50-80 parts of metal silver powder, 2-5 parts of glass powder, 10-30 parts of an organic carrier, 1-3 parts of an organic additive and 1-10 parts of an organic solvent, wherein the glass powder is lead-free glass powder, and the thermal expansion coefficient of the glass powder is 110-120 × 10-7The sintering temperature is 550-750 ℃, and the glass powder comprises the following components in percentage by weight: bi2O375～85％、ZnO 5～15％、B2O33～10％、SiO21～5％、Na2O 1～3％、TiO20 to 3% and Al2O30～2％。
2. The conductive silver paste for the ceramic filter according to claim 1, wherein the conductive silver paste preferably comprises the following components in parts by weight: 56-78 parts of metal silver powder, 2-3 parts of glass powder, 14-28 parts of organic carrier, 1-3 parts of organic additive and 5-10 parts of organic solvent.
3. The conductive silver paste for a ceramic filter according to claim 1, wherein the silver powder is a spherical silver powder having a particle diameter of 0.5 to 2.0 μm and a tap density of 2.0 to 3.0 g/ml.
4. The conductive silver paste for the ceramic filter according to claim 1, wherein the organic carrier is formed by mixing a polymer resin and an organic solvent, and the preparation method comprises the following steps: mixing the polymer resin and the organic solvent according to the mass ratio of 1:4, heating to 70-80 ℃, keeping the temperature until the polymer resin is completely dissolved, and filtering and removing impurities by using a 300-400-mesh net cloth to obtain the organic carrier.
5. The conductive silver paste as claimed in claim 4, wherein the polymeric resin comprises one or more selected from ethyl cellulose, nitrocellulose, ethyl hydroxyethyl cellulose and wood rosin, and the organic solvent comprises one or more selected from terpineol, turpentine, diethylene glycol butyl ether, diethylene glycol dibutyl ether, butyl carbitol acetate, dipropylene glycol monomethyl ether and tripropylene glycol monomethyl ether.
6. The conductive silver paste for the ceramic filter according to claim 5, wherein the polymer resin is one or a mixture of ethyl cellulose and nitrocellulose, and the organic solvent is terpineol, tripropylene glycol monomethyl ether or a mixture of diethylene glycol butyl ether and dipropylene glycol monomethyl ether.
7. The conductive silver paste for the ceramic filter according to claim 1, wherein the organic additive comprises a plasticizer, a leveling agent and a coupling agent, and the mass ratio of the plasticizer to the leveling agent to the coupling agent in the organic additive is (1-2) to 1: 1.
8. The conductive silver paste for a ceramic filter according to claim 1, wherein the plasticizer comprises one or more of dibutyl phthalate, tributyl citrate, dioctyl phthalate, and trioctyl citrate; the leveling agent comprises one or more of organic silicon resin, hydrogenated castor oil, polyvinyl butyral and polyacrylate; the coupling agent comprises one or more of silane coupling agents KH550, KH560 and KH 570.
9. The conductive silver paste for a ceramic filter according to claim 1, wherein the organic solvent is one or more of terpineol, turpentine, diethylene glycol butyl ether, butyl carbitol acetate, dipropylene glycol monomethyl ether, and tripropylene glycol monomethyl ether.
10. The preparation method of the conductive silver paste for the ceramic filter according to any one of claims 1 to 9, comprising the following steps:
(1) preparing the following components in parts by weight:
50-80 parts of metal silver powder, 2-5 parts of glass powder, 10-30 parts of organic carrier, 1-3 parts of organic additive and 1-10 parts of organic solvent;
(2) preparing conductive silver paste: adding the organic carrier and the organic solvent into a mixer according to the weight parts in the step (1), adding the metal silver powder, the glass powder and the organic additive, fully mixing, transferring into a high-speed dispersion machine, and uniformly dispersing at a high speed to obtain the conductive silver paste;
(3) production of conductive silver paste: and (3) grinding the conductive silver paste prepared in the step (2) in a three-roll mill, and finely adjusting a roller to ensure that the fineness of the conductive silver paste is less than 10 microns and the viscosity is 30-50 Pa.S, thus preparing the conductive silver paste for the ceramic filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010317536.1A CN111489848A (en) | 2020-04-21 | 2020-04-21 | Conductive silver paste for ceramic filter and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010317536.1A CN111489848A (en) | 2020-04-21 | 2020-04-21 | Conductive silver paste for ceramic filter and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111489848A true CN111489848A (en) | 2020-08-04 |
Family
ID=71811160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010317536.1A Pending CN111489848A (en) | 2020-04-21 | 2020-04-21 | Conductive silver paste for ceramic filter and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111489848A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863312A (en) * | 2020-09-04 | 2020-10-30 | 西安宏星电子浆料科技股份有限公司 | Spraying type silver paste for 5G ceramic dielectric filter and preparation method thereof |
| CN112117026A (en) * | 2020-10-29 | 2020-12-22 | 无锡晶睿光电新材料有限公司 | Ceramic filter silver paste for dip coating and preparation method thereof |
| CN112164488A (en) * | 2020-09-25 | 2021-01-01 | 广东羚光新材料股份有限公司 | Silver paste for ceramic filter and preparation method thereof |
| CN112489850A (en) * | 2020-10-23 | 2021-03-12 | 无锡晶睿光电新材料有限公司 | Conductive silver paste for filtering and preparation method thereof |
| CN112614608A (en) * | 2020-12-10 | 2021-04-06 | 广东工业大学 | Low-temperature co-fired ceramic inner conductive silver paste and preparation method thereof |
| CN112635124A (en) * | 2020-09-29 | 2021-04-09 | 陕西彩虹新材料有限公司 | High-identification-degree conductive silver paste and preparation method thereof |
| CN112951479A (en) * | 2021-02-07 | 2021-06-11 | 北京中科纳通电子技术有限公司 | Conductive silver paste for filter and preparation method thereof |
| CN112968262A (en) * | 2021-02-24 | 2021-06-15 | 郴州功田电子陶瓷技术有限公司 | High-performance composite dielectric filter, material and preparation method |
| CN113066602A (en) * | 2021-03-31 | 2021-07-02 | 上海宝银电子材料有限公司 | Conductive silver paste for automobile sensor and preparation method thereof |
| CN113161035A (en) * | 2021-04-28 | 2021-07-23 | 佛山市顺德区百锐新电子材料有限公司 | General silver paste for lead-free piezoelectric ceramic and preparation method thereof |
| CN113314249A (en) * | 2021-05-26 | 2021-08-27 | 福建溥昱电子科技有限公司 | Silver paste for 5G ceramic dielectric filter and preparation method thereof |
| CN113314251A (en) * | 2021-05-10 | 2021-08-27 | 河源市飞利华电子有限公司 | High-temperature sintered silver paste special for RFID (radio frequency identification) of ceramic substrate and manufacturing method thereof |
| CN113480334A (en) * | 2021-07-05 | 2021-10-08 | 深圳市国瓷永丰源瓷业有限公司 | Preparation method of conductive material and coating for induction heating of ceramic substrate |
| CN114242302A (en) * | 2021-12-31 | 2022-03-25 | 深圳市普瑞威科技有限公司 | Environment-friendly conductive silver paste for lead-free piezoelectric ceramic filter and preparation method thereof |
| CN114530274A (en) * | 2022-04-24 | 2022-05-24 | 西安宏星电子浆料科技股份有限公司 | Silver migration resistant conductor paste |
| CN117292869A (en) * | 2023-10-10 | 2023-12-26 | 江苏飞特尔通信有限公司 | External electrode material applied to 5G LTCC filter, 5G LTCC filter and preparation method of 5G LTCC filter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761777A (en) * | 2014-12-18 | 2016-07-13 | 上海宝银电子材料有限公司 | Filament silver paste for automobile glass and preparation method of filament silver paste |
| CN105788699A (en) * | 2014-12-18 | 2016-07-20 | 上海宝银电子材料有限公司 | High-temperature and high-humidity resistant electrode silver paste for ZnO piezoresistor and preparation method for electrode silver paste |
-
2020
- 2020-04-21 CN CN202010317536.1A patent/CN111489848A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761777A (en) * | 2014-12-18 | 2016-07-13 | 上海宝银电子材料有限公司 | Filament silver paste for automobile glass and preparation method of filament silver paste |
| CN105788699A (en) * | 2014-12-18 | 2016-07-20 | 上海宝银电子材料有限公司 | High-temperature and high-humidity resistant electrode silver paste for ZnO piezoresistor and preparation method for electrode silver paste |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863312A (en) * | 2020-09-04 | 2020-10-30 | 西安宏星电子浆料科技股份有限公司 | Spraying type silver paste for 5G ceramic dielectric filter and preparation method thereof |
| CN112164488A (en) * | 2020-09-25 | 2021-01-01 | 广东羚光新材料股份有限公司 | Silver paste for ceramic filter and preparation method thereof |
| CN112635124A (en) * | 2020-09-29 | 2021-04-09 | 陕西彩虹新材料有限公司 | High-identification-degree conductive silver paste and preparation method thereof |
| CN112489850A (en) * | 2020-10-23 | 2021-03-12 | 无锡晶睿光电新材料有限公司 | Conductive silver paste for filtering and preparation method thereof |
| CN112117026B (en) * | 2020-10-29 | 2022-05-17 | 无锡晶睿光电新材料有限公司 | Ceramic filter silver paste for dip coating and preparation method thereof |
| CN112117026A (en) * | 2020-10-29 | 2020-12-22 | 无锡晶睿光电新材料有限公司 | Ceramic filter silver paste for dip coating and preparation method thereof |
| CN112614608A (en) * | 2020-12-10 | 2021-04-06 | 广东工业大学 | Low-temperature co-fired ceramic inner conductive silver paste and preparation method thereof |
| CN112951479A (en) * | 2021-02-07 | 2021-06-11 | 北京中科纳通电子技术有限公司 | Conductive silver paste for filter and preparation method thereof |
| CN112951479B (en) * | 2021-02-07 | 2022-08-05 | 北京中科纳通电子技术有限公司 | Conductive silver paste for filter and preparation method thereof |
| CN112968262A (en) * | 2021-02-24 | 2021-06-15 | 郴州功田电子陶瓷技术有限公司 | High-performance composite dielectric filter, material and preparation method |
| CN113066602A (en) * | 2021-03-31 | 2021-07-02 | 上海宝银电子材料有限公司 | Conductive silver paste for automobile sensor and preparation method thereof |
| CN113161035A (en) * | 2021-04-28 | 2021-07-23 | 佛山市顺德区百锐新电子材料有限公司 | General silver paste for lead-free piezoelectric ceramic and preparation method thereof |
| CN113314251A (en) * | 2021-05-10 | 2021-08-27 | 河源市飞利华电子有限公司 | High-temperature sintered silver paste special for RFID (radio frequency identification) of ceramic substrate and manufacturing method thereof |
| CN113314249A (en) * | 2021-05-26 | 2021-08-27 | 福建溥昱电子科技有限公司 | Silver paste for 5G ceramic dielectric filter and preparation method thereof |
| CN113480334A (en) * | 2021-07-05 | 2021-10-08 | 深圳市国瓷永丰源瓷业有限公司 | Preparation method of conductive material and coating for induction heating of ceramic substrate |
| CN114242302A (en) * | 2021-12-31 | 2022-03-25 | 深圳市普瑞威科技有限公司 | Environment-friendly conductive silver paste for lead-free piezoelectric ceramic filter and preparation method thereof |
| CN114530274A (en) * | 2022-04-24 | 2022-05-24 | 西安宏星电子浆料科技股份有限公司 | Silver migration resistant conductor paste |
| CN114530274B (en) * | 2022-04-24 | 2022-07-08 | 西安宏星电子浆料科技股份有限公司 | Silver migration resistant conductor paste |
| CN117292869A (en) * | 2023-10-10 | 2023-12-26 | 江苏飞特尔通信有限公司 | External electrode material applied to 5G LTCC filter, 5G LTCC filter and preparation method of 5G LTCC filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111489848A (en) | Conductive silver paste for ceramic filter and preparation method thereof | |
| CN1094907C (en) | Lead and cadimum-free encapsulant composition | |
| CN112289482B (en) | high-Q-value silver paste for 5G ceramic dielectric filter | |
| US20180248055A1 (en) | Aging resistant backside silver paste for crystalline silicon solar cells and preparation method thereof | |
| CN113257457A (en) | Silver-aluminum paste for high-performance N-type solar cell front surface fine grid and preparation method thereof | |
| CN110580970B (en) | High-adhesion low-temperature conductive silver paste for solar HIT (heterojunction with intrinsic thin layer) cell and preparation method thereof | |
| KR20150031150A (en) | Composition for forming solar cell and electrode prepared using the same | |
| CN115206584A (en) | Low-cost silver-coated copper slurry for solar heterojunction battery and preparation method thereof | |
| CN114409262B (en) | Conductive glass powder and preparation method thereof, conductive slurry and preparation method and application thereof | |
| CN111739675A (en) | Thick film resistor paste | |
| KR101243895B1 (en) | Conductive Ink Composition and the method for preparing the same | |
| CN114242302A (en) | Environment-friendly conductive silver paste for lead-free piezoelectric ceramic filter and preparation method thereof | |
| CN114530280A (en) | Low-cost thick-film conductor paste | |
| CN113593778A (en) | Preparation method of high-Q-value electrode silver paste for 5G ceramic base filter | |
| CN101719395B (en) | Macromolecular solution dispersing medium with complete combustion and volatilization for dispensing organic powder | |
| CN109661707A (en) | The manufacturing method of electrocondution slurry and its manufacturing method and solar battery | |
| CN114530276B (en) | Graphene-doped ceramic filter spray silver paste and preparation method thereof | |
| KR102007856B1 (en) | The manufacturing method of silver powder with improved dispersibility | |
| CN111477377B (en) | Conductive silver paste printed on dielectric glass powder layer | |
| CN113707359A (en) | Electrode paste, conductive thick film and preparation method thereof | |
| CN113782251A (en) | Electrode paste, electrode thick film and preparation method thereof | |
| KR102152838B1 (en) | Method for producing the conductive paste with improved printing properties | |
| KR20160126169A (en) | Composition for forming solar cell and electrode prepared using the same | |
| CN113470865B (en) | Environment-friendly silver conductor paste for aluminum nitride | |
| KR102152842B1 (en) | Method for manufacturing conductive paste for solar cell electrode with improved thixotropic and slip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200804 |
|
| RJ01 | Rejection of invention patent application after publication |