CN111925126A - Paste for repairing slight scratch of optical glass - Google Patents
Paste for repairing slight scratch of optical glass Download PDFInfo
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- CN111925126A CN111925126A CN202010808463.6A CN202010808463A CN111925126A CN 111925126 A CN111925126 A CN 111925126A CN 202010808463 A CN202010808463 A CN 202010808463A CN 111925126 A CN111925126 A CN 111925126A
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- parts
- repair
- glass
- acid
- optical glass
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- 239000005304 optical glass Substances 0.000 title claims abstract description 26
- 230000008439 repair process Effects 0.000 claims abstract description 47
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 39
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 32
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 30
- MIMUSZHMZBJBPO-UHFFFAOYSA-N 6-methoxy-8-nitroquinoline Chemical compound N1=CC=CC2=CC(OC)=CC([N+]([O-])=O)=C21 MIMUSZHMZBJBPO-UHFFFAOYSA-N 0.000 claims abstract description 19
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 19
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 15
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 claims abstract description 15
- 235000019691 monocalcium phosphate Nutrition 0.000 claims abstract description 15
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920000084 Gum arabic Polymers 0.000 claims abstract description 12
- 239000000205 acacia gum Substances 0.000 claims abstract description 12
- 235000010489 acacia gum Nutrition 0.000 claims abstract description 12
- 229940062672 calcium dihydrogen phosphate Drugs 0.000 claims abstract description 6
- 229910000389 calcium phosphate Inorganic materials 0.000 claims abstract description 6
- 244000215068 Acacia senegal Species 0.000 claims description 9
- 239000001506 calcium phosphate Substances 0.000 claims description 9
- 229910000150 monocalcium phosphate Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- 230000003287 optical effect Effects 0.000 abstract description 7
- 229940023462 paste product Drugs 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 40
- 230000000694 effects Effects 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 238000005530 etching Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- LDDQLRUQCUTJBB-UHFFFAOYSA-N ammonium fluoride Chemical compound [NH4+].[F-] LDDQLRUQCUTJBB-UHFFFAOYSA-N 0.000 description 4
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 4
- 229910001634 calcium fluoride Inorganic materials 0.000 description 4
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229910003638 H2SiF6 Inorganic materials 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 229910004014 SiF4 Inorganic materials 0.000 description 2
- ULGYAEQHFNJYML-UHFFFAOYSA-N [AlH3].[Ca] Chemical compound [AlH3].[Ca] ULGYAEQHFNJYML-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 2
- ZEFWRWWINDLIIV-UHFFFAOYSA-N tetrafluorosilane;dihydrofluoride Chemical compound F.F.F[Si](F)(F)F ZEFWRWWINDLIIV-UHFFFAOYSA-N 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 229910017665 NH4HF2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- LDDQLRUQCUTJBB-UHFFFAOYSA-O azanium;hydrofluoride Chemical compound [NH4+].F LDDQLRUQCUTJBB-UHFFFAOYSA-O 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
- C03C15/02—Surface treatment of glass, not in the form of fibres or filaments, by etching for making a smooth surface
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
The invention belongs to the field of optical glass repair, and particularly relates to a repair paste for slight scratches of optical glass, which comprises the following components in parts by weight: 1.5 to 2.5 parts of ammonium bifluoride, 2 to 3 parts of water, 0.2 to 0.5 part of hydrofluoric acid, 0.5 to 1.5 parts of nitric acid, 0.5 to 1 part of phosphoric acid, 1 to 5 parts of oxalic acid, 1.5 to 2.5 parts of calcium dihydrogen phosphate and 0.05 to 0.2 part of acacia gum. The repair paste provided by the invention can be widely applied to each production process of optical products, so that slight scratches generated in the production process of each process are eliminated, and the purpose of improving the yield of the optical products is realized; the repair paste product can realize the repair work of slight scratches of the optical glass, has the advantages of simple process method, high repair efficiency, low repair cost and the like, and improves the product yield of the optical glass in the production process.
Description
Technical Field
The invention belongs to the field of optical glass repair, and particularly relates to a repair paste for slight scratches of optical glass.
Background
In the production process of optical glass products, glass slag generated by processes such as cutting and the like of intermediate products such as optical glass substrates, display panels and the like can cause slight scratches on the surfaces of the glass, if the defects can not be eliminated in time and directly enter the next production process, the yield of the optical products can be greatly reduced, and the product repair paste is applied to the production process of the optical products, eliminates slight scratches generated in the production process of each process and achieves the purpose of improving the yield of the optical products; the scratch repair of the existing optical glass generally adopts a grinding and polishing physical process, the grinding and polishing process can cause the local thinning of the surface of the glass to cause the slight distortion and distortion of an image, meanwhile, the grinding and polishing process has complicated equipment flow, low repair efficiency and high repair cost, and the repair paste used by the existing automobile glass mainly adds silicon oxide powder, and the repair paste can not cause problems when being applied to the automobile glass, but can influence the light transmission of the optical glass when being applied to the optical glass, so that the traditional glass repair paste can not be practically used for the optical glass.
Compared with the prior art, the repair paste can realize the repair work of slight scratches of the optical glass, has the advantages of simple process method, high repair efficiency, low repair cost and the like, and improves the product yield of the optical glass in the production process.
Disclosure of Invention
Aiming at the technical problems, the invention provides a light scratch repair paste for optical glass.
The invention adopts the following technical scheme:
the optical glass slight scratch repair paste comprises the following components in parts by weight: 1.5 to 2.5 parts of ammonium bifluoride, 2 to 3 parts of water, 0.2 to 0.5 part of hydrofluoric acid, 0.5 to 1.5 parts of nitric acid, 0.5 to 1 part of phosphoric acid, 1 to 5 parts of oxalic acid, 1.5 to 2.5 parts of calcium dihydrogen phosphate and 0.05 to 0.2 part of acacia gum.
Preferably, the components are as follows according to the parts by weight: 2 parts of ammonium bifluoride, 2.5 parts of water, 0.5 part of hydrofluoric acid, 1 part of nitric acid, 0.5 part of phosphoric acid, 1 part of oxalic acid, 2 parts of monocalcium phosphate and 0.05 part of gum arabic.
Preferably, the components are as follows according to the parts by weight: 2.5 parts of ammonium bifluoride, 3 parts of water, 0.5 part of hydrofluoric acid, 0.5 part of nitric acid, 0.5 part of phosphoric acid, 1 part of oxalic acid, 2.5 parts of monocalcium phosphate and 0.05 part of gum arabic.
Preferably, the components are as follows according to the parts by weight: 2 parts of ammonium bifluoride, 2 parts of water, 0.5 part of hydrofluoric acid, 1.5 parts of nitric acid, 0.5 part of phosphoric acid, 1 part of oxalic acid, 2.5 parts of monocalcium phosphate and 0.05 part of gum arabic.
Ammonium hydrogen fluoride NH4HF2The glass etching agent has a corrosion effect on glass, can dissolve the glass, is mainly used as a glass etching agent, and utilizes ammonium bifluoride and various acid solutions to complete the corrosion and dissolution of the glass, so that the surface of the glass is uniformly thinned, and the purpose of eliminating slight scratches is achieved. The calcium dihydrogen phosphate is an acidic additive and plays a role in filling and thickening in the repair paste, and the gum arabic is a viscosity regulator and is used for regulating the viscosity of the repair paste. The repairing process mainly comprises the following chemical reactions:
NH4F+HNO3→NH4NO3+HF
NH4F+H3PO4→ (NH4)3PO4+HF
CaF2+HNO3→Ca（NO3）2+HF
Na2O·CaO·6SiO2+28HF→6SiF4+CaF2+2NaF+14H2O
SiF4+2HF→H2SiF6
advantageous effects
The invention provides a repair paste for quickly and efficiently eliminating slight scratches on the surface of glass, which is prepared into a paste-shaped glass slight scratch repair agent by utilizing the multi-type mixed acid effect and F-SiO with glass surface2Grid structure and silicate filler reaction generate crystalline grain form aluminium calcium complex salt to pile up in the mar concavity, fill the mar, utilize hydrofluoric acid, nitric acid, phosphoric acid and ammonium bifluoride to the effect of glass etching attenuate simultaneously, level the surface repair of mar department, guaranteed that the glass surface attenuate is even unanimous, original surface structure has been kept on the glass surface after the attenuate, the smoothness degree of observing the glass surface under the microscope keeps unanimous around corroding, the consequence that probably leads to the slight distortion of image because the attenuate has been stopped.
The repair paste provided by the invention can be widely applied to each production process of optical products, so that slight scratches generated in the production process of each process are eliminated, and the purpose of improving the yield of the optical products is realized; the repair paste product can realize the repair work of slight scratches of the optical glass, has the advantages of simple process method, high repair efficiency, low repair cost and the like, and improves the product yield of the optical glass in the production process.
Drawings
FIG. 1 is a photograph of a glass electron microscope with a scratch;
fig. 2 is a glass electron micrograph of the scratch of fig. 1 after repair.
Detailed Description
A slight scratch repair paste for optical glass comprises water, ammonium bifluoride, hydrofluoric acid, nitric acid, phosphoric acid, oxalic acid, calcium dihydrogen phosphate, and gum arabic, wherein ammonium bifluoride (NH)4HF2) The glass etching agent has a corrosion effect on glass, can dissolve the glass, is mainly used as a glass etching agent, and utilizes ammonium bifluoride and various acid solutions to complete the corrosion and dissolution of the glass, so that the surface of the glass is uniformly thinned, and the purpose of eliminating slight scratches is achieved. The calcium dihydrogen phosphate is an acidic additive and plays a role in filling and thickening in the repair paste, and the gum arabic is a viscosity regulator and is used for regulating the viscosity of the repair paste. The repairing principle of the invention is as follows: using F-Ions and SiO on the surface of the glass2Grid structure and silicate filler reaction generate crystalline form aluminium calcium complex salt, and pile up in the mar concavity, fill the mar, utilize hydrofluoric acid simultaneously, nitric acid, phosphoric acid and ammonium bifluoride are to the effect of glass etching attenuate, with the resurfacing of mar department level, it is even unanimous to have ensured the even attenuate of glass surface, glass surface after the attenuate has kept original surface structure, the smoothness degree of observing glass surface under the microscope keeps unanimous around corroding, stopped probably leading to the result of the slight distortion of image because the attenuate, mainly include following chemical reaction:
NH4F+HNO3→NH4NO3+HF
NH4F+H3PO4→ (NH4)3PO4+HF
CaF2+HNO3→Ca（NO3）2+HF
Na2O·CaO·6SiO2+28HF→6SiF4+CaF2+2NaF+14H2O
SiF4+2HF→H2SiF6
the invention is further illustrated by the following specific examples:
example 1
1. Preparing a glass slight scratch repair paste according to the proportion of 2.5 parts of water, 2 parts of ammonium bifluoride, 0.5 part of hydrofluoric acid, 1 part of nitric acid, 0.5 part of phosphoric acid, 1 part of oxalic acid, 2 parts of monocalcium phosphate and 0.05 part of gum;
2. fully and uniformly stirring the prepared scratch repairing paste in a PVC container;
3. then subpackaging in PVC plastic barrels, sealing and storing;
4. when in use, the mixture is stirred uniformly again and then can be put into use; the glass has good repairing effect on slight scratches after use.
Example 2
1. Preparing a glass slight scratch repair paste according to the proportion of 3 parts of water, 2.5 parts of ammonium bifluoride, 0.5 part of hydrofluoric acid, 0.5 part of nitric acid, 0.5 part of phosphoric acid, 1 part of oxalic acid, 2.5 parts of monocalcium phosphate and 0.05 part of gum;
2. fully and uniformly stirring the prepared scratch repairing paste in a PVC container;
3. then subpackaging in PVC plastic barrels, sealing and storing;
4. in the using period, the mixture can be put into use after being stirred uniformly again; the glass has good repairing effect on slight scratches after use.
Example 3
1. Preparing a glass slight scratch repair paste according to the proportion of 2 parts of water, 2 parts of ammonium bifluoride, 0.5 part of hydrofluoric acid, 1.5 parts of nitric acid, 0.5 part of phosphoric acid, 1 part of oxalic acid, 2.5 parts of monocalcium phosphate and 0.05 part of gum;
2. fully and uniformly stirring the prepared scratch repairing paste in a PVC container;
3. then subpackaging in PVC plastic barrels, sealing and storing;
4. in the using period, the mixture can be put into use after being stirred uniformly again; the glass has good repairing effect on slight scratches after use.
Test examples
The repair paste prepared in example 1 is applied to optical glass with slight scratches, scanning is performed by using a 640-fold electron microscope, and the scanning images of the electron microscope before and after repair are respectively referred to fig. 1 and fig. 2, and it can be seen from the images that the surface of the glass after repair is flat, and the smoothness of the surface of the glass is consistent after repair.
In the present specification, various embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts in the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The optical glass slight scratch repair paste is characterized by comprising the following components in parts by weight: 1.5 to 2.5 parts of ammonium bifluoride, 2 to 3 parts of water, 0.2 to 0.5 part of hydrofluoric acid, 0.5 to 1.5 parts of nitric acid, 0.5 to 1 part of phosphoric acid, 1 to 5 parts of oxalic acid, 1.5 to 2.5 parts of calcium dihydrogen phosphate and 0.05 to 0.2 part of acacia gum.
2. The optical glass slight scratch repair paste according to claim 1, wherein the components are as follows by weight: 2 parts of ammonium bifluoride, 2.5 parts of water, 0.5 part of hydrofluoric acid, 1 part of nitric acid, 0.5 part of phosphoric acid, 1 part of oxalic acid, 2 parts of monocalcium phosphate and 0.05 part of gum arabic.
3. The optical glass slight scratch repair paste according to claim 1, wherein the components are as follows by weight: 2.5 parts of ammonium bifluoride, 3 parts of water, 0.5 part of hydrofluoric acid, 0.5 part of nitric acid, 0.5 part of phosphoric acid, 1 part of oxalic acid, 2.5 parts of monocalcium phosphate and 0.05 part of gum arabic.
4. The optical glass slight scratch repair paste according to claim 1, wherein the components are as follows by weight: 2 parts of ammonium bifluoride, 2 parts of water, 0.5 part of hydrofluoric acid, 1.5 parts of nitric acid, 0.5 part of phosphoric acid, 1 part of oxalic acid, 2.5 parts of monocalcium phosphate and 0.05 part of gum arabic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808463.6A CN111925126A (en) | 2020-08-12 | 2020-08-12 | Paste for repairing slight scratch of optical glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808463.6A CN111925126A (en) | 2020-08-12 | 2020-08-12 | Paste for repairing slight scratch of optical glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111925126A true CN111925126A (en) | 2020-11-13 |
Family
ID=73310748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010808463.6A Pending CN111925126A (en) | 2020-08-12 | 2020-08-12 | Paste for repairing slight scratch of optical glass |
Country Status (1)
| Country | Link |
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| CN (1) | CN111925126A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113526868A (en) * | 2021-07-06 | 2021-10-22 | 苏州光大光电科技有限公司 | Weather-resistant optical glass and production process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4781792A (en) * | 1985-05-07 | 1988-11-01 | Hogan James V | Method for permanently marking glass |
| CN1299786A (en) * | 1999-12-16 | 2001-06-20 | 化工产品开发公司 | Composition for etching glass, glass-etching liquid and method, and etching product thereof |
| CN1380572A (en) * | 2001-04-12 | 2002-11-20 | 西山不锈化学股份有限公司 | Chemical polishing method and device for liquid crystal glass base plate |
| CN103508676A (en) * | 2013-07-24 | 2014-01-15 | 芜湖长信科技股份有限公司 | Method for avoiding defect in LCD glass substrate thinning process and acid solution configuration method |
| KR20150116525A (en) * | 2014-04-07 | 2015-10-16 | (주)엘지하우시스 | Method for chamfering cutting plane of glass substrate |
| CN107640907A (en) * | 2017-10-27 | 2018-01-30 | 惠州市清洋实业有限公司 | A kind of preprocess method of glass thinning |
| CN110156338A (en) * | 2019-04-17 | 2019-08-23 | 蚌埠国显科技有限公司 | A kind of glass microlithography processes |
-
2020
- 2020-08-12 CN CN202010808463.6A patent/CN111925126A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4781792A (en) * | 1985-05-07 | 1988-11-01 | Hogan James V | Method for permanently marking glass |
| CN1299786A (en) * | 1999-12-16 | 2001-06-20 | 化工产品开发公司 | Composition for etching glass, glass-etching liquid and method, and etching product thereof |
| CN1380572A (en) * | 2001-04-12 | 2002-11-20 | 西山不锈化学股份有限公司 | Chemical polishing method and device for liquid crystal glass base plate |
| CN103508676A (en) * | 2013-07-24 | 2014-01-15 | 芜湖长信科技股份有限公司 | Method for avoiding defect in LCD glass substrate thinning process and acid solution configuration method |
| KR20150116525A (en) * | 2014-04-07 | 2015-10-16 | (주)엘지하우시스 | Method for chamfering cutting plane of glass substrate |
| CN107640907A (en) * | 2017-10-27 | 2018-01-30 | 惠州市清洋实业有限公司 | A kind of preprocess method of glass thinning |
| CN110156338A (en) * | 2019-04-17 | 2019-08-23 | 蚌埠国显科技有限公司 | A kind of glass microlithography processes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113526868A (en) * | 2021-07-06 | 2021-10-22 | 苏州光大光电科技有限公司 | Weather-resistant optical glass and production process thereof |
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Application publication date: 20201113 |
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