CN105390474A - High-thermal-conductivity and low-expansion conductive pattern board and preparation method therefor - Google Patents

High-thermal-conductivity and low-expansion conductive pattern board and preparation method therefor Download PDF

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Publication number
CN105390474A
CN105390474A CN201510903214.4A CN201510903214A CN105390474A CN 105390474 A CN105390474 A CN 105390474A CN 201510903214 A CN201510903214 A CN 201510903214A CN 105390474 A CN105390474 A CN 105390474A
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thermal
conductive pattern
composite material
conductivity
expansibility
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韩媛媛
郭宏
张习敏
范叶明
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Beijing General Research Institute for Non Ferrous Metals
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Beijing General Research Institute for Non Ferrous Metals
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/48Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/488Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/498Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
    • H01L23/49822Multilayer substrates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/48Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
    • H01L21/4814Conductive parts
    • H01L21/4871Bases, plates or heatsinks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/48Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/488Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/498Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
    • H01L23/49866Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers characterised by the materials

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physical Vapour Deposition (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

The invention belongs to the technical field of electronic packaging and particularly relates to a high-thermal-conductivity and low-expansion conductive pattern board and a preparation method therefor. The preparation method comprises: by taking a high-thermal-conductivity and low-expansion composite material as a base material, preparing a high-thermal-conductivity insulation medium layer on single or both surfaces of the base material with a physical or chemical method of welding, gluing, chemical vapor deposition, magnetron sputtering or physical vapor deposition; and finally depositing a conductor circuit pattern layer on the insulation medium layer with a chemical vapor deposition technology, a magnetron sputtering technology, a physical vapor deposition technology or an etching method so as to obtain the lamellar high-thermal-conductivity and low-expansion conductive pattern board. The conductive pattern board has the properties of high breakdown strength, high dielectric constant and the like in addition to high thermal conductivity, low expansion coefficient, high strength and high size stability; and a conductor circuit pattern is directly formed on a substrate, so that a preparation process for the conductor circuit pattern layer is simplified.

Description

A kind of high-thermal-conductivity low-expansibility conductive pattern plate and preparation method thereof
Technical field
The invention belongs to technical field of electronic encapsulation, particularly a kind of high-thermal-conductivity low-expansibility conductive pattern plate and preparation method thereof.
Background technology
Along with the develop rapidly of electronics and information industry, the volume size of electronic product is more and more less, and power density is increasing, and solving heat dissipation problem is to one of electronics industry design huge challenge.Metal substrate is with the heat dispersion of its excellence, machining property, capability of electromagnetic shielding, dimensional stability, magnetic force performance and multifunctional performance, in fields such as hybrid integrated circuit, automobile, motorcycle, office automation, high-power electric appliance equipment, power-supply devices, obtain increasing application, be particularly widely used as substrate in LED product.Traditional metal substrate is for base material with metallic plate (aluminium, copper, iron etc.), base material is covered with insulating medium layer and conductive layer (Copper Foil), wherein copper base has higher thermal diffusivity, thermal conductivity is 398W/mK, but also exists that thermal coefficient of expansion is large, weight is large, be difficult to carry out the shortcomings such as the anti-oxidation process of end face.The density of aluminium base is little, and thermal conductivity is 237W/mK, but there is the large problem of thermal coefficient of expansion equally, and made printed circuit board (PCB), on the position being equipped with switch element and power supply, power amplifier element, during work, noise occurs.Iron substrate has the electromagnetic property not available for other metal substrate, and has good stability of the dimension, advantage that price is low, but it exists weight is large, corrosion-resistant, heat-conductive characteristic is poor problem.Traditional metal substrate can not meet the demand of high-power electronic device development, therefore needs to develop to have the more high performance substrates such as thermal conductivity is high, thermal coefficient of expansion is low, lightweight.
Summary of the invention
Not enough for prior art, the invention provides a kind of high-thermal-conductivity low-expansibility conductive pattern plate and preparation method thereof.
A kind of high-thermal-conductivity low-expansibility conductive pattern plate, it take composite material as base material, and the single or double of base material is insulating medium layer, and insulating medium layer surface is conductor circuit layer; Described composite material is the metal-base composites that reinforcement strengthens, and described reinforcement is for strengthening particle and/or fiber; Described insulating medium layer is ceramic material; Described conductor circuit layer is metal material.
In described composite material, the volume fraction of reinforcement is 25% ~ 80%.
In described composite material, reinforcement is one or both in diamond, SiC and carbon fiber, and metal is copper, aluminium or silver.
Described composite material is diamond/copper, carbon fiber/copper, diamond mix SiC Particles/Cu, carbon fiber hybrid SiC Particles/Cu, diamond/aluminum, SiC/ aluminium, diamond mix SiC particle/aluminium, carbon fiber hybrid SiC particle/aluminium, diamond/silver, SiC/ are silver-colored, diamond mixes SiC particle/silver, carbon fiber/Ag or carbon fiber hybrid SiC particle/silver.
Described insulating medium layer is Al 2o 3, BeO, BN, Si 3n 4, SiC or AlN.
The material of described conductor circuit layer adopts copper.
The thickness of described composite material is 0.4 ~ 10mm, and the thickness of insulating medium layer is 1 μm ~ 1.5mm, and the thickness of conductor circuit layer is 1 ~ 500 μm.
Described a kind of high-thermal-conductivity low-expansibility conductive pattern plate, its room temperature thermal conductivity is 350 ~ 600W/mK, and thermal coefficient of expansion is 4 × 10 -6/ K ~ 9 × 10 -6/ K, dielectric constant is 4.5 ~ 9, and dielectric loss Tan δ is 3 × 10 -4~ 5 × 10 -4(1MHz), specific insulation (25 DEG C) is 10 12more than Ω cm, puncture voltage is 3 ~ 10kV.
A preparation method for high-thermal-conductivity low-expansibility conductive pattern plate, comprises the following steps:
1) method of Pressure Infiltration, powder metallurgy or XPS is adopted to prepare composite material base; Generally speaking, the shape of composite sample does not set, and is not limited to any thickness;
2) composite material base roughly ground, refine, rough polishing, essence throw;
3) adopt chemical vapour deposition technique, magnetron sputtering technique or physical gas phase deposition technology depositing Ti, Cr, Mo, Zr, W, V or Nb transition zone on composite material base, thickness is 100nm ~ 1 μm;
4) welding, splicing, chemical vapour deposition (CVD), magnetron sputtering or physical gas phase deposition technology is adopted to prepare insulating medium layer at the single or double of composite material;
5) adopt laser processing method to prepare circuit mask plate, thickness is 0.1 ~ 0.5mm;
6) adopt chemical vapour deposition technique, magnetron sputtering technique, physical gas phase deposition technology or etching method on insulating medium layer, prepare mask conductor circuit layer.
Beneficial effect of the present invention is: the present invention is using high-thermal-conductivity low-expansibility compound material as base material, high heat conductive insulating dielectric layer is prepared at the single or double of base material, finally deposited conductor circuit layer on insulating medium layer, thus obtain stratiform high-thermal-conductivity low-expansibility conductive pattern plate, this conductive pattern plate is except having high heat conduction, low thermal coefficient of expansion, high strength, good dimensional stability, also there is the character such as high breakdown strength, high-k, and on substrate, directly form conductor circuit pattern, simplify the preparation technology of conductor circuit layer.High-thermal-conductivity low-expansibility conductive pattern plate in the present invention solves the problem that existing baseplate material thermal conductivity is low, thermal coefficient of expansion is large, density is large, be applicable to IGBT (insulatedgatebipolartransistor, insulated gate bipolar transistor) substrate or CPV (concentratingphotovoltaic, condensation photovoltaic) solar energy, integrated circuit (IC) substrate, microwave high power device heat-radiating substrate, multi-chip assembling (MCM) substrate etc.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.It is emphasized that following explanation is only exemplary, instead of in order to limit the scope of the invention and apply.
Embodiment 1
1) adopt pressure infiltration method to prepare diamond/copper composite material base, the volume fraction of diamond particles is 60%, and heating-up temperature is 1200 DEG C, and temperature retention time is 10min, and applying pressure is 10MPa, is processed into the cuboid of 30mm × 40mm × 3mm;
2) diamond/copper composite material base roughly ground, refine, rough polishing, essence throw;
3) adopt magnetron sputtering technique depositing Ti transition zone on diamond/copper composite material base, voltage is 350V, and electric current is 100mA, and deposition pressure is 1.0Pa, and deposition rate is 2 dusts/second, and transition region thickness is 100nm;
4) magnetron sputtering technique depositing Al N insulating medium layer on the diamond/copper composite material base that deposited Ti transition zone is adopted, voltage is 350V, and electric current is 100mA, and deposition pressure is 1.0Pa, deposition rate is 2 dusts/second, and the thickness of insulating medium layer is 3 μm;
5) adopt laser processing to prepare circuit mask plate, circuit mask plate thickness is 0.2mm;
6) adopt magnetron sputtering technique on AlN insulating medium layer, prepare mask copper circuit layer, voltage is 350V, and electric current is 100mA, and deposition pressure is 1.0Pa, and deposition rate is 2 dusts/second, and copper circuit figure layer thickness is 1 μm.
The high-thermal-conductivity low-expansibility conductive pattern plate prepared, its room temperature thermal conductivity is 530W/mK, thermal coefficient of expansion is 6.4 × 10 -6/ K, dielectric constant are 8.5, dielectric loss Tan δ is 5 × 10 -4(1MHz), specific insulation (25 DEG C)>=10 12Ω cm, puncture voltage is 3kV.
Embodiment 2
1) adopt pressure infiltration method to prepare diamond/copper composite material base, the volume fraction of diamond particles is 65%, and heating-up temperature is 1200 DEG C, and temperature retention time is 10min, and applying pressure is 10MPa, is processed into the cuboid of 40mm × 50mm × 3mm;
2) diamond/copper composite material base roughly ground, refine, rough polishing, essence throw;
3) adopt magnetron sputtering technique depositing Ti transition zone on diamond/copper composite material base, voltage is 350V, and electric current is 100mA, and deposition pressure is 1.0Pa, and deposition rate is 2 dusts/second, and transition region thickness is 200nm;
4) magnetron sputtering technique depositing Al N insulating medium layer on the diamond/copper composite material base that deposited Ti transition zone is adopted, voltage is 350V, and electric current is 100mA, and deposition pressure is 1.0Pa, deposition rate is 2 dusts/second, and the thickness of insulating medium layer is 4 μm;
5) adopt laser processing method to prepare circuit mask plate, circuit mask plate thickness is 0.1mm;
6) adopt magnetically controlled sputter method on AlN insulating medium layer, prepare mask copper circuit layer, copper circuit figure layer thickness is 1.5 μm.
The high-thermal-conductivity low-expansibility conductive pattern plate prepared, its room temperature thermal conductivity is 505W/mK, thermal coefficient of expansion is 6.8 × 10 -6/ K, dielectric constant are 8.8, dielectric loss Tan δ is 4.8 × 10 -4(1MHz), specific insulation (25 DEG C)>=10 12Ω cm, puncture voltage is 3.6kV.
Embodiment 3
1) adopt pressure infiltration method to prepare diamond/aluminum composite material base, the volume fraction of diamond particles is 60%, and heating-up temperature is 920 DEG C, and temperature retention time is 15min, and applying pressure is 10MPa, is processed into the cuboid of 35mm × 45mm × 3mm;
2) diamond/aluminum composite material base roughly ground, refine, rough polishing, essence throw;
3) adopt magnetron sputtering technique depositing Ti transition zone on diamond/aluminum composite material base, voltage is 350V, and electric current is 100mA, and deposition pressure is 1.0Pa, and deposition rate is 2 dusts/second, and transition region thickness is 150nm;
4) magnetron sputtering technique is adopted to deposit BN insulating medium layer on the diamond/aluminum composite material base that deposited Ti transition zone, voltage is 350V, and electric current is 100mA, and deposition pressure is 1.0Pa, deposition rate is 2 dusts/second, and the thickness of insulating medium layer is 3 μm;
5) adopt laser processing method to prepare circuit mask plate, circuit mask plate thickness is 0.1mm;
6) adopt magnetron sputtering technique on AlN insulating medium layer, prepare mask copper circuit layer, voltage is 350V, and electric current is 100mA, and deposition pressure is 1.0Pa, and deposition rate is 2 dusts/second, and copper circuit figure layer thickness is 1.5 μm.
The high-thermal-conductivity low-expansibility conductive pattern plate prepared, its room temperature thermal conductivity is 375W/mK, thermal coefficient of expansion is 8.4 × 10 -6/ K, dielectric constant are 4.5, dielectric loss Tan δ is 5 × 10 -4(1MHz), specific insulation (25 DEG C)>=10 12Ω cm, puncture voltage is 4kV.
Embodiment 4
1) adopt Pressure Infiltration method to prepare diamond/copper composite material base, the volume fraction of diamond particles is 60%, and heating-up temperature is 1200 DEG C, and temperature retention time is 10min, and applying pressure is 10MPa, is processed into the cuboid of 40mm × 50mm × 3mm;
2) diamond/copper composite sample roughly ground, refine, rough polishing, essence throw;
3) adopt magnetron sputtering technique depositing Ti transition zone on diamond/copper composite sample, voltage is 350V, and electric current is 100mA, and deposition pressure is 1.0Pa, and deposition rate is 2 dusts/second, and transition region thickness is 250nm;
4) magnetron sputtering technique is adopted to replace depositing Al N insulating medium layer and BN insulating medium layer on the diamond/copper composite sample that deposited Ti transition zone, voltage is 350V, electric current is 100mA, deposition pressure is 1.0Pa, deposition rate is 2 dusts/second, and the gross thickness of insulating medium layer is 10 μm;
5) adopt laser processing method to prepare circuit mask plate, circuit mask plate thickness is 0.3mm;
6) adopt magnetron sputtering technique on AlN insulating medium layer, prepare mask copper circuit layer, voltage is 350V, and electric current is 100mA, and deposition pressure is 1.0Pa, and deposition rate is 2 dusts/second, and copper circuit figure layer thickness is 1 μm.
The high-thermal-conductivity low-expansibility conductive pattern plate prepared, its room temperature thermal conductivity is 508W/mK, thermal coefficient of expansion is 6.1 × 10 -6/ K, dielectric constant are 6.0, dielectric loss Tan δ is 3 × 10 -4(1MHz), specific insulation (25 DEG C)>=10 12Ω cm, puncture voltage is 10kV.

Claims (9)

1. a high-thermal-conductivity low-expansibility conductive pattern plate, is characterized in that, it take composite material as base material, and the single or double of base material is insulating medium layer, and insulating medium layer surface is conductor circuit layer; Described composite material is the metal-base composites that reinforcement strengthens, and described reinforcement is for strengthening particle and/or fiber; Described insulating medium layer is ceramic material; Described conductor circuit layer is metal material.
2. a kind of high-thermal-conductivity low-expansibility conductive pattern plate according to claim 1, it is characterized in that, in described composite material, the volume fraction of reinforcement is 25% ~ 80%.
3. a kind of high-thermal-conductivity low-expansibility conductive pattern plate according to claim 1 or 2, is characterized in that, in described composite material, reinforcement is one or both in diamond, SiC and carbon fiber, and metal is copper, aluminium or silver.
4. a kind of high-thermal-conductivity low-expansibility conductive pattern plate according to claim 3, it is characterized in that, described composite material is diamond/copper, carbon fiber/copper, diamond mix SiC Particles/Cu, carbon fiber hybrid SiC Particles/Cu, diamond/aluminum, SiC/ aluminium, diamond mix SiC particle/aluminium, carbon fiber hybrid SiC particle/aluminium, diamond/silver, SiC/ are silver-colored, diamond mixes SiC particle/silver, carbon fiber/Ag or carbon fiber hybrid SiC particle/silver.
5. a kind of high-thermal-conductivity low-expansibility conductive pattern plate according to claim 1, it is characterized in that, described insulating medium layer is Al 2o 3, BeO, BN, Si 3n 4, SiC or AlN.
6. a kind of high-thermal-conductivity low-expansibility conductive pattern plate according to claim 1, is characterized in that, the material of described conductor circuit layer adopts copper.
7. a kind of high-thermal-conductivity low-expansibility conductive pattern plate according to claim 1, it is characterized in that, the thickness of described composite material is 0.4 ~ 10mm, and the thickness of insulating medium layer is 1 μm ~ 1.5mm, and the thickness of conductor circuit layer is 1 ~ 500 μm.
8. a kind of high-thermal-conductivity low-expansibility conductive pattern plate according to claim 1, it is characterized in that, its room temperature thermal conductivity is 350 ~ 600W/mK, and thermal coefficient of expansion is 4 × 10 -6/ K ~ 9 × 10 -6/ K, dielectric constant is 4.5 ~ 9, and dielectric loss Tan δ is 3 × 10 -4~ 5 × 10 -4(1MHz), specific insulation (25 DEG C) is 10 12more than Ω cm, puncture voltage is 3 ~ 10kV.
9. a preparation method for high-thermal-conductivity low-expansibility conductive pattern plate, is characterized in that, comprises the following steps:
1) method of Pressure Infiltration, powder metallurgy or XPS is adopted to prepare composite material base;
2) composite material base roughly ground, refine, rough polishing, essence throw;
3) adopt chemical vapour deposition technique, magnetron sputtering technique or physical gas phase deposition technology depositing Ti, Cr, Mo, Zr, W, V or Nb transition zone on composite material base, thickness is 100nm ~ 1 μm;
4) welding, splicing, chemical vapour deposition (CVD), magnetron sputtering or physical gas phase deposition technology is adopted to prepare insulating medium layer at the single or double of composite material;
5) adopt laser processing method to prepare circuit mask plate, thickness is 0.1 ~ 0.5mm;
6) adopt chemical vapour deposition technique, magnetron sputtering technique, physical gas phase deposition technology or etching method on insulating medium layer, prepare mask conductor circuit layer.
CN201510903214.4A 2015-12-09 2015-12-09 High-thermal-conductivity and low-expansion conductive pattern board and preparation method therefor Pending CN105390474A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111095674A (en) * 2017-09-15 2020-05-01 康普技术有限责任公司 Method for preparing composite dielectric material
CN116695078A (en) * 2023-06-09 2023-09-05 深圳市博源碳晶科技有限公司 Heat-conducting diamond composite material substrate and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1614770A (en) * 2003-11-04 2005-05-11 技嘉科技股份有限公司 Chip module with high radiating performance and its substrate
CN101107707A (en) * 2005-01-20 2008-01-16 联合材料公司 Member for semiconductor device and method for manufacture thereof
CN103187131A (en) * 2011-12-28 2013-07-03 北京有色金属研究总院 High heat conductivity insulation composite and preparation method thereof
CN103895281A (en) * 2012-12-24 2014-07-02 北京有色金属研究总院 High thermal conductive insulation layered composite material and preparation method thereof
CN104733399A (en) * 2013-12-24 2015-06-24 北京有色金属研究总院 Layer-shaped high thermal conductive and insulating base plate and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1614770A (en) * 2003-11-04 2005-05-11 技嘉科技股份有限公司 Chip module with high radiating performance and its substrate
CN101107707A (en) * 2005-01-20 2008-01-16 联合材料公司 Member for semiconductor device and method for manufacture thereof
CN103187131A (en) * 2011-12-28 2013-07-03 北京有色金属研究总院 High heat conductivity insulation composite and preparation method thereof
CN103895281A (en) * 2012-12-24 2014-07-02 北京有色金属研究总院 High thermal conductive insulation layered composite material and preparation method thereof
CN104733399A (en) * 2013-12-24 2015-06-24 北京有色金属研究总院 Layer-shaped high thermal conductive and insulating base plate and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111095674A (en) * 2017-09-15 2020-05-01 康普技术有限责任公司 Method for preparing composite dielectric material
CN111095674B (en) * 2017-09-15 2022-02-18 康普技术有限责任公司 Method for preparing composite dielectric material
CN116695078A (en) * 2023-06-09 2023-09-05 深圳市博源碳晶科技有限公司 Heat-conducting diamond composite material substrate and preparation method and application thereof
CN116695078B (en) * 2023-06-09 2024-02-23 深圳市博源碳晶科技有限公司 Heat-conducting diamond composite material substrate and preparation method and application thereof

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