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CN106398570A - High-compactness graphite soaking adhesive tape - Google Patents

High-compactness graphite soaking adhesive tape Download PDF

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Publication number
CN106398570A
CN106398570A CN201610794749.7A CN201610794749A CN106398570A CN 106398570 A CN106398570 A CN 106398570A CN 201610794749 A CN201610794749 A CN 201610794749A CN 106398570 A CN106398570 A CN 106398570A
Authority
CN
China
Prior art keywords
graphite
film
kapton
pet film
layer
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
Application number
CN201610794749.7A
Other languages
Chinese (zh)
Inventor
金闯
梁豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sidike New Materials Jiangsu Co Ltd
Original Assignee
Sidike New Materials Jiangsu Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sidike New Materials Jiangsu Co Ltd filed Critical Sidike New Materials Jiangsu Co Ltd
Priority to CN201610794749.7A priority Critical patent/CN106398570A/en
Publication of CN106398570A publication Critical patent/CN106398570A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/205—Heat-dissipating body thermally connected to heat generating element via thermal paths through printed circuit board [PCB]
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207—Heat-activated adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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    • B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
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    • B32B37/156—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is calendered and immediately laminated
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    • C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • C04B35/522—Graphite
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    • C04B35/524—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from polymer precursors, e.g. glass-like carbon material
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    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/661—Multi-step sintering
    • C—CHEMISTRY; METALLURGY
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09J2467/00—Presence of polyester
    • C09J2467/005—Presence of polyester in the release coating

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)

Abstract

The invention discloses a high-compactnessgraphite soaking adhesive tape which consists of a first heat conduction adhesive layer, a graphite layer and a second heat conduction adhesive layer. The graphite layer is obtained by the following technological method which comprises the following steps: coating each of the upper and lower surfaces of a polyimide thin film subjected to treatment in the step I with a layer of a graphite modifier to obtain a treated polyimide thin film; heating the treated polyimide thin film to 800 DEG C, preserving the heat, and then heating to 1,200 DEG C to obtain a pre-burnt carbonized film; rolling the pre-burnt carbonized film obtained in the step IV by adopting a rolling machine; heating to 2,400 DEG C, preserving the heat, and then heating to 2,900 DEG C to obtain a primarily burnt graphite film; rolling the primarily burnt graphite film obtained in the step V to obtain the graphite layer. The polyimide thin film is coated with the high-compactness graphite soaking adhesive tape disclosed by the invention, so that pin holes caused in a heating process are filled; the degree of crystallinity is increased, and non-uniformity caused by extremely high thermal contraction is avoided.

Description

The equal thermal bonding tape of high compactness graphite
Technical field
The present invention relates to a kind of equal thermal bonding tape of high compactness graphite, belong to double faced adhesive chip technology field.
Background technology
Nowadays, with the development of computer technology, the trend of development of computer is to develop lighter and thinner product.Example As, panel computer and notebook computer become more and more popular, because the profile of their dexterities.Size due to these products becomes more Little, radiating is a considerable aspect all the time, high temperature can reduce performance, reliability and the service life of electronic equipment.Cause This, Current electronic industry proposes higher and higher requirement for the heat sink material as heat control system core component, in the urgent need to A kind of high-efficiency heat conduction, light material transfer heat away from rapidly, ensure that electronic equipment normally runs.All backing is that one kind exists The heat exchanger of heat is transmitted, its surface region and shape are more beneficial for radiating compared with thermal source between thermal source and secondary unit. By equal backing, the heat being produced by thermal source " diffusion " to secondary unit, the heat so being eliminated well in thermal source is amassed Store.
In prior art, Kapton is mostly used for flexible PCB and is obtained using polyimide film sintered although having Obtaining graphite heat radiation fin, thus being covered on thermal source, but being constrained to the good and the bad of the product quality and performances of Kapton not Together, have influence on the performance of radiating two-sided pad pasting heat dispersion, there is following technical problem：Radiating is uneven, adhesive tape easily Hot-spot, the heat dispersion that improve product is unstable, reliability performance is poor, is unfavorable for product quality management control, affects product Competitiveness, how to overcome above-mentioned technical problem become those skilled in the art effort direction.
Content of the invention
It is an object of the present invention to provide a kind of equal thermal bonding tape of high compactness graphite, this equal thermal bonding tape of high compactness graphite is vertical Direction and horizontal direction all improve heat conductivility, it is to avoid adhesive tape hot-spot is it is achieved that the uniformity of adhesive tape heat conductivility Meanwhile, improve heat dispersion stability, the reliability of product, greatly reduce the cost of product.
For reaching above-mentioned purpose, the technical solution used in the present invention is：A kind of equal thermal bonding tape of high compactness graphite, described dissipates The two-sided pad pasting of heat fits between radiating piece and heat generating components, and the two-sided pad pasting of described radiating includes light strippable PET film and shells again Release PET film, be disposed between this light strippable PET film and re-release type PET film the first heat conduction adhesive layer, graphite linings and Second heat conduction adhesive layer；Described graphite linings are obtained by following process, and this process comprises the following steps：
Step one, Kapton is risen to 250 DEG C from room temperature, after rising to 400 DEG C after insulation, be down to room temperature；
Step 2, it is coated with one layer of graphite modified dose of acquisition on the upper and lower surface of the Kapton through step one and processes Kapton afterwards, described graphite modified dose of viscosity is 30000 ~ 48000CP；
The described graphite modified dose of group by following weight portion is grouped into：20 parts of benzophenone tetracarboxylic dianhydride, pyromellitic acid anhydride 13 parts, 28 parts of MDA, 31 parts of dimethylformamide, 2 parts of ethylene glycol, 3 parts of dimethyl silicone polymer；
Step 3, the Kapton after processing is warming up to 800 DEG C, being warming up to 1200 DEG C after insulation, cools down after insulation, Thus obtaining the carbonized film of pre-burned；
Step 4, using calender roll described step 4 pre-burned carbonized film；
Step 5, it is warming up to 2400 DEG C, after insulation, is warming up to 2900 DEG C again, cool down after insulation, thus obtaining the graphite that master fires Film；
The graphite film that the master of step 6 and then step 5 gained fires is rolled thus being obtained described graphite linings.
In technique scheme, further improved scheme is as follows：
2nd, in such scheme, described graphite linings are obtained by following process, and this process comprises the following steps：
Step one, Kapton is risen to 250 DEG C with 4 ~ 6 degree/min speed from room temperature, keep 0.9 ~ 1.1 hour, then With 2.5 ~ 3.5 degree/min, rise to 400 DEG C, near room temperature after keeping 1 hour；
Step 2, it is coated with one layer of graphite modified dose of acquisition on the upper and lower surface of the Kapton through step one and processes Kapton afterwards；
Step 3, rise to 800 DEG C with the speed of 4 ~ 6 degree/min, keep 0.9 ~ 1.1 hour；Again with the speed liter of 9 ~ 11 degree/min To 1200 DEG C, cool down after preserving 0.9 ~ 1.1 hour, thus obtaining the carbonized film of pre-burned；
Step 4, using calender roll described step 4 pre-burned carbonized film；
Step 5, rise to 2400 DEG C with the speed of 19 ~ 21 degree/min, keep 0.9 ~ 1.1 hour, then the speed with 19 ~ 21 degree/min Degree rises to 2900 DEG C, cools down after keeping 1.8 ~ 2.2 hours, thus obtaining the graphite film that master fires；
The graphite film that the master of step 6 and then step 3 gained fires is rolled thus being obtained described graphite linings（6）.
3rd, in such scheme, described step 4 acquisition graphite film is carried out calendering process.
4th, in such scheme, the grammes per square metre of described light strippable PET film peeling force is 5 ~ 10g/m2, described re-release type PET The grammes per square metre of film peeling force is 50 ~ 100g/m2.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect：
The equal thermal bonding tape of high compactness graphite of the present invention, in its structure, graphite linings are coated with one layer graphite modified dose by upper and lower surface Kapton be prepared from, improve in heat conductivility both vertically and horizontally, it is to avoid adhesive tape hot-spot, Achieve the uniformity of adhesive tape heat conductivility；Next, it is located at graphite modified dose of Kapton surface by benzophenone Tetracarboxylic dianhydride, pyromellitic acid anhydride, MDA, dimethylformamide, ethylene glycol, dimethyl silicone polymer group Become, be coated on Kapton, be filled with the pin hole in heating process, improve degree of crystallinity simultaneously, also overcome heat receipts Contracting excessive lead to uneven, improve graphite linings biaxial tension performance；Again, Kapton surface have graphite modified Agent, is improved graphite linings and heat conduction adhesive layer heat conductivility in two-sided pad pasting, and is rolled the carbon of described pre-burned using calender Change film, it is to avoid the volume contraction in fold and graphitization sintering process, improve compactness and degree of crystallinity, further increase In heat conductivility both vertically and horizontally.
Brief description
Accompanying drawing 1 is high compactness graphite soaking adhesive tape structure schematic diagram of the present invention；
Accompanying drawing 2 is high compactness graphite soaking tape applications schematic diagram of the present invention.
In the figures above：1st, radiating piece；2nd, heat generating components；3rd, light strippable PET film；4th, re-release type PET film；5th, first Heat conduction adhesive layer；6th, graphite linings；7th, the second heat conduction adhesive layer.
Specific embodiment
With reference to embodiment, the invention will be further described：
Embodiment：A kind of equal thermal bonding tape of high compactness graphite, the two-sided pad pasting of described radiating fits in radiating piece 1 and heat generating components 2 Between, described radiating two-sided pad pasting include light strippable PET film 3 and re-release type PET film 4, this light strippable PET film 3 and weight It is disposed with the first heat conduction adhesive layer 5, graphite linings 6 and the second heat conduction adhesive layer 7 between strippable PET film 4；Described graphite linings 6 are obtained by following process, and this process comprises the following steps：
Step one, Kapton is risen to 250 DEG C with 4 ~ 6 degree/min speed from room temperature, keep 0.9 ~ 1.1 hour, then With 2.5 ~ 3.5 degree/min, rise to 400 DEG C, after keeping 1 hour, be down to room temperature；
Step 2, it is coated with one layer of graphite modified dose of acquisition on the upper and lower surface of the Kapton through step one and processes Kapton afterwards, the described graphite modified dose of group by following weight portion is grouped into：20 parts of benzophenone tetracarboxylic dianhydride, all 13 parts of PMDA, 28 parts of MDA, 31 parts of dimethylformamide, 2 parts of ethylene glycol, dimethyl silicone polymer 3 parts；Graphite modified dose of viscosity is 45000CP；
Step 3, rise to 800 DEG C with the speed of 4 ~ 6 degree/min, keep 0.9 ~ 1.1 hour；Again with the speed liter of 9 ~ 11 degree/min To 1200 DEG C, cool down after preserving 0.9 ~ 1.1 hour, thus obtaining the carbonized film of pre-burned；
Step 4, using calender roll described step 4 pre-burned carbonized film；
Step 5, rise to 2400 DEG C with the speed of 19 ~ 21 degree/min, keep 0.9 ~ 1.1 hour, then the speed with 19 ~ 21 degree/min Degree rises to 2900 DEG C, cools down after keeping 1.8 ~ 2.2 hours, thus obtaining the graphite film that master fires；
The graphite film that the master of step 6 and then step 5 gained fires is rolled thus being obtained described graphite linings（6）.
Described step 6 acquisition graphite linings are carried out calendering process.
The grammes per square metre of above-mentioned light strippable PET film 1 peeling force is 5 ~ 10g/m2, described re-release type PET film 2 peeling force gram It is 50 ~ 100g/m again2.
During using the equal thermal bonding tape of above-mentioned high compactness graphite, in its structure, graphite linings are coated with one layer of stone by upper and lower surface The Kapton of black modifying agent is prepared from, and improves in heat conductivility both vertically and horizontally, it is to avoid adhesive tape Hot-spot is it is achieved that the uniformity of adhesive tape heat conductivility；Secondly, its be located at graphite modified dose of Kapton surface by Benzophenone tetracarboxylic dianhydride, pyromellitic acid anhydride, MDA, dimethylformamide, ethylene glycol, poly dimethyl silicon Oxygen alkane forms, and is coated on Kapton, is filled with the pin hole in heating process, improves degree of crystallinity simultaneously, also overcome Thermal contraction is excessive lead to uneven, improve graphite linings biaxial tension performance；Again, Kapton surface has stone Black modifying agent, improves graphite linings and heat conduction adhesive layer heat conductivility in two-sided pad pasting, and rolls described pre-burning using calender The carbonized film of system, it is to avoid the volume contraction in fold and graphitization sintering process, improves compactness and degree of crystallinity, further Improve in heat conductivility both vertically and horizontally.
Above-described embodiment only technology design to illustrate the invention and feature, its object is to allow person skilled in the art Scholar will appreciate that present disclosure and implements according to this, can not be limited the scope of the invention with this.All according to the present invention Equivalence changes or modification that Spirit Essence is made, all should be included within the scope of the present invention.

Claims (4)

1. the equal thermal bonding tape of a kind of high compactness graphite, the two-sided pad pasting of described radiating fits in radiating piece（1）And heat generating components（2）It Between, the two-sided pad pasting of described radiating includes light strippable PET film（3）With re-release type PET film（4）, this light strippable PET film（3） With re-release type PET film（4）Between be disposed with the first heat conduction adhesive layer（5）, graphite linings（6）With the second heat conduction adhesive layer （7）；It is characterized in that：Described graphite linings（6）Obtained by following process, this process comprises the following steps：
Step one, Kapton is risen to 250 DEG C from room temperature, after rising to 400 DEG C after insulation, be down to room temperature；
Step 2, it is coated with one layer of graphite modified dose of acquisition on the upper and lower surface of the Kapton through step one and processes Kapton afterwards, described graphite modified dose of viscosity is 30000 ~ 48000CP；
The described graphite modified dose of group by following weight portion is grouped into：20 parts of benzophenone tetracarboxylic dianhydride, pyromellitic acid anhydride 13 parts, 28 parts of MDA, 30 ~ 35 parts of dimethylformamide, 1.5 ~ 2.5 parts of ethylene glycol, dimethyl silicone polymer 3 Part；
Step 3, the Kapton after processing is warming up to 800 DEG C, being warming up to 1200 DEG C after insulation, cools down after insulation, Thus obtaining the carbonized film of pre-burned；
Step 4, using calender roll described step 4 pre-burned carbonized film；
Step 5, it is warming up to 2400 DEG C, after insulation, is warming up to 2900 DEG C again, cool down after insulation, thus obtaining the graphite that master fires Film；
The graphite film that the master of step 6 and then step 5 gained fires is rolled thus being obtained described graphite linings.
2. the equal thermal bonding tape of high compactness graphite according to claim 1 it is characterised in that：Described step 4 is obtained graphite Layer（6）Carry out calendering process.
3. the equal thermal bonding tape of high compactness graphite according to claim 1 it is characterised in that：Described light strippable PET film（1） The grammes per square metre of peeling force is 5 ~ 10g/m2.
4. the equal thermal bonding tape of high compactness graphite according to claim 1 it is characterised in that：Described re-release type PET film（2） The grammes per square metre of peeling force is 50 ~ 100g/m2.
CN201610794749.7A 2014-01-26 2014-01-26 High-compactness graphite soaking adhesive tape Pending CN106398570A (en)

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CN201610705947.1A Active CN106304783B (en) 2014-01-26 2014-01-26 Thermal conductivity both-sided adhesive graphite flake
CN201610777909.7A Pending CN106366971A (en) 2014-01-26 2014-01-26 High-heat-conductivity double-sided adhesive tape
CN201610704135.5A Pending CN106281087A (en) 2014-01-26 2014-01-26 Heat-conducting double-sided adhesive tape
CN201610787557.3A Pending CN106520003A (en) 2014-01-26 2014-01-26 Thermal conductive graphite tape used for laptops
CN201610705884.XA Pending CN106332522A (en) 2014-01-26 2014-01-26 High-heat-conductivity graphite film
CN201610700227.6A Pending CN106413340A (en) 2014-01-26 2014-01-26 Heat conducting adhesive film for electronic product
CN201610777925.6A Active CN106427180B (en) 2014-01-26 2014-01-26 Preparation method for the two-sided pad pasting of soaking
CN201410037378.9A Active CN103763892B (en) 2014-01-26 2014-01-26 Heat conduction graphite patch for microelectronic device
CN201610787504.1A Pending CN106520002A (en) 2014-01-26 2014-01-26 Heat-conducting pressure-sensitive double-sided tape
CN201610787521.5A Pending CN106535560A (en) 2014-01-26 2014-01-26 Manufacturing process for heat-conducting graphite paste films for flat computers
CN201610794749.7A Pending CN106398570A (en) 2014-01-26 2014-01-26 High-compactness graphite soaking adhesive tape
CN201610799197.9A Pending CN106381083A (en) 2014-01-26 2014-01-26 Isothermal pressure-sensitive adhesive tape used for intelligent mobile phones
CN201610777537.8A Pending CN106398567A (en) 2014-01-26 2014-01-26 Pressure sensitive adhesive tape for notebook computer
CN201610777340.4A Pending CN106398566A (en) 2014-01-26 2014-01-26 Double-face pad pasting with heat radiation
CN201610696479.6A Pending CN106332521A (en) 2014-01-26 2014-01-26 Manufacturing method for double-sided adhesive graphite flake
CN201610696474.3A Pending CN106318250A (en) 2014-01-26 2014-01-26 Preparation process of thermal double-sided adhesive tape
CN201610777339.1A Pending CN106349964A (en) 2014-01-26 2014-01-26 Process for preparing heat-conduction double-sided adhesive tape
CN201610696862.1A Active CN106304780B (en) 2014-01-26 2014-01-26 Manufacturing process for high thermal conductivity graphite film
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CN201610777909.7A Pending CN106366971A (en) 2014-01-26 2014-01-26 High-heat-conductivity double-sided adhesive tape
CN201610704135.5A Pending CN106281087A (en) 2014-01-26 2014-01-26 Heat-conducting double-sided adhesive tape
CN201610787557.3A Pending CN106520003A (en) 2014-01-26 2014-01-26 Thermal conductive graphite tape used for laptops
CN201610705884.XA Pending CN106332522A (en) 2014-01-26 2014-01-26 High-heat-conductivity graphite film
CN201610700227.6A Pending CN106413340A (en) 2014-01-26 2014-01-26 Heat conducting adhesive film for electronic product
CN201610777925.6A Active CN106427180B (en) 2014-01-26 2014-01-26 Preparation method for the two-sided pad pasting of soaking
CN201410037378.9A Active CN103763892B (en) 2014-01-26 2014-01-26 Heat conduction graphite patch for microelectronic device
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CN201610777340.4A Pending CN106398566A (en) 2014-01-26 2014-01-26 Double-face pad pasting with heat radiation
CN201610696479.6A Pending CN106332521A (en) 2014-01-26 2014-01-26 Manufacturing method for double-sided adhesive graphite flake
CN201610696474.3A Pending CN106318250A (en) 2014-01-26 2014-01-26 Preparation process of thermal double-sided adhesive tape
CN201610777339.1A Pending CN106349964A (en) 2014-01-26 2014-01-26 Process for preparing heat-conduction double-sided adhesive tape
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