KR101610973B1 - 히트 싱크가 부착된 파워 모듈용 기판 및 그 제조 방법, 그리고 히트 싱크가 부착된 파워 모듈, 파워 모듈용 기판 - Google Patents
히트 싱크가 부착된 파워 모듈용 기판 및 그 제조 방법, 그리고 히트 싱크가 부착된 파워 모듈, 파워 모듈용 기판 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims abstract description 116
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 100
- 239000002184 metal Substances 0.000 claims abstract description 100
- 229910052782 aluminium Inorganic materials 0.000 claims description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 14
- 238000005476 soldering Methods 0.000 claims description 14
- 238000005219 brazing Methods 0.000 claims description 8
- 229910018125 Al-Si Inorganic materials 0.000 claims description 7
- 229910018520 Al—Si Inorganic materials 0.000 claims description 7
- 229910000679 solder Inorganic materials 0.000 claims description 6
- 238000001816 cooling Methods 0.000 abstract description 9
- 239000011888 foil Substances 0.000 description 14
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 8
- 239000000945 filler Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000003475 lamination Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910017944 Ag—Cu Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910020836 Sn-Ag Inorganic materials 0.000 description 1
- 229910020988 Sn—Ag Inorganic materials 0.000 description 1
- 229910018956 Sn—In Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/70—Forming laminates or joined articles comprising layers of a specific, unusual thickness
- C04B2237/704—Forming laminates or joined articles comprising layers of a specific, unusual thickness of one or more of the ceramic layers or articles
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/70—Forming laminates or joined articles comprising layers of a specific, unusual thickness
- C04B2237/706—Forming laminates or joined articles comprising layers of a specific, unusual thickness of one or more of the metallic layers or articles
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- H—ELECTRICITY
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32225—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1305—Bipolar Junction Transistor [BJT]
- H01L2924/13055—Insulated gate bipolar transistor [IGBT]
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- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49126—Assembling bases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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Abstract
Description
도 2 는 본 발명의 실시형태인 히트 싱크가 부착된 파워 모듈용 기판의 금속층 및 천장판부의 비커스 경도의 분포를 나타낸 도면이다.
도 3 은 본 발명의 실시형태인 히트 싱크가 부착된 파워 모듈용 기판의 제조 방법을 설명하기 위한 개략 단면도이다.
도 4 는 본 발명의 다른 실시형태인 히트 싱크가 부착된 파워 모듈용 기판을 사용한 히트 싱크가 부착된 파워 모듈의 구조를 나타낸 개략 단면도이다.
도 5 는 본 발명의 다른 실시형태인 히트 싱크가 부착된 파워 모듈용 기판을 사용한 히트 싱크가 부착된 파워 모듈의 구조를 나타낸 개략 단면도이다.
Claims (6)
- 히트 싱크가 부착된 파워 모듈용 기판으로서,
제 1 면 및 제 2 면을 갖는 절연 기판과, 상기 제 1 면에 형성된 회로층과, 상기 제 2 면에 형성된 금속층을 갖는 파워 모듈용 기판과,
상기 금속층에 Al-Si 계 납재에 의한 납땜에 의해 직접 접합되며 상기 파워 모듈용 기판을 냉각시키는 히트 싱크를 가지며,
상기 금속층은, 상기 절연 기판 및 상기 히트 싱크에 접합시키기 전 상태에서, 순도 99.99 % 이상의 알루미늄으로 구성되어 있고,
상기 금속층은, 상기 절연 기판 및 상기 히트 싱크와의 각각의 접합 계면으로부터 Si 가 확산되고 있고,
상기 회로층의 두께를 A 로 하고, 상기 금속층의 두께를 B 로 한 경우에, 비율 B/A 가 1.5 B/A 20 범위 내로 설정되어 있는 것을 특징으로 하는 히트 싱크가 부착된 파워 모듈용 기판. - 삭제
- 히트 싱크가 부착된 파워 모듈용 기판의 제조 방법으로서,
제 1 면 및 제 2 면을 갖는 절연 기판과 히트 싱크를 준비하고,
상기 절연 기판의 상기 제 1 면에 회로층을 접합시키고, 상기 절연 기판의 상기 제 2 면에 금속층을 Al-Si 계 납재에 의한 납땜에 의해 접합시킴으로써, 파워 모듈용 기판을 형성하고,
상기 파워 모듈용 기판과 상기 히트 싱크를 적층시키고, 적층 방향으로 0.15 ∼ 3 MPa 로 가압함으로써, 상기 파워 모듈용 기판의 상기 금속층과 상기 히트 싱크를 Al-Si 계 납재에 의한 납땜에 의해 직접 접합시키고,
상기 금속층은, 상기 절연 기판 및 상기 히트 싱크에 접합시키기 전 상태에서, 순도 99.99 % 이상의 알루미늄으로 구성되어 있고,
상기 금속층은, 상기 절연 기판 및 상기 히트 싱크와의 각각의 접합 계면으로부터 Si가 확산되고 있는 것을 특징으로 하는 히트 싱크가 부착된 파워 모듈용 기판의 제조 방법. - 삭제
- 히트 싱크가 부착된 파워 모듈로서,
제 1 항에 기재된 히트 싱크가 부착된 파워 모듈용 기판과,
상기 히트 싱크가 부착된 파워 모듈용 기판의 상기 회로층 상에 탑재된 전자 부품을 구비하는 것을 특징으로 하는 히트 싱크가 부착된 파워 모듈. - 삭제
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JPJP-P-2008-067344 | 2008-03-17 | ||
JP2008067344 | 2008-03-17 | ||
JPJP-P-2008-234997 | 2008-09-12 | ||
JP2008234997 | 2008-09-12 |
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KR20100138875A KR20100138875A (ko) | 2010-12-31 |
KR101610973B1 true KR101610973B1 (ko) | 2016-04-08 |
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KR1020107017399A Expired - Fee Related KR101610973B1 (ko) | 2008-03-17 | 2009-03-11 | 히트 싱크가 부착된 파워 모듈용 기판 및 그 제조 방법, 그리고 히트 싱크가 부착된 파워 모듈, 파워 모듈용 기판 |
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US (1) | US8637777B2 (ko) |
EP (1) | EP2259308B1 (ko) |
JP (4) | JP4524716B2 (ko) |
KR (1) | KR101610973B1 (ko) |
CN (1) | CN101971329B (ko) |
WO (1) | WO2009116439A1 (ko) |
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KR20100138875A (ko) | 2010-12-31 |
JP2010171437A (ja) | 2010-08-05 |
JP2013179374A (ja) | 2013-09-09 |
JP2010093225A (ja) | 2010-04-22 |
JP2013065918A (ja) | 2013-04-11 |
JP5613914B2 (ja) | 2014-10-29 |
CN101971329B (zh) | 2012-11-21 |
EP2259308A4 (en) | 2014-11-05 |
EP2259308A1 (en) | 2010-12-08 |
JP5434701B2 (ja) | 2014-03-05 |
US20110017496A1 (en) | 2011-01-27 |
US8637777B2 (en) | 2014-01-28 |
WO2009116439A1 (ja) | 2009-09-24 |
JP4524716B2 (ja) | 2010-08-18 |
CN101971329A (zh) | 2011-02-09 |
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JP5440721B2 (ja) | 2014-03-12 |
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