KR20160122853A - 파워 모듈용 기판 유닛 및 파워 모듈 - Google Patents
파워 모듈용 기판 유닛 및 파워 모듈 Download PDFInfo
- Publication number
- KR20160122853A KR20160122853A KR1020167027576A KR20167027576A KR20160122853A KR 20160122853 A KR20160122853 A KR 20160122853A KR 1020167027576 A KR1020167027576 A KR 1020167027576A KR 20167027576 A KR20167027576 A KR 20167027576A KR 20160122853 A KR20160122853 A KR 20160122853A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- power module
- heat sink
- thickness
- substrate
- 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.)
- Granted
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- 239000000758 substrate Substances 0.000 title claims abstract description 150
- 239000000919 ceramic Substances 0.000 claims abstract description 57
- 229910052751 metal Inorganic materials 0.000 claims abstract description 57
- 239000002184 metal Substances 0.000 claims abstract description 57
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 54
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000011162 core material Substances 0.000 claims description 47
- 239000004065 semiconductor Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims description 13
- 238000005219 brazing Methods 0.000 description 53
- 239000000463 material Substances 0.000 description 53
- 230000035882 stress Effects 0.000 description 29
- 238000004519 manufacturing process Methods 0.000 description 15
- 229910045601 alloy Inorganic materials 0.000 description 12
- 239000000956 alloy Substances 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 12
- 238000005304 joining Methods 0.000 description 12
- 238000003825 pressing Methods 0.000 description 11
- 102100037651 AP-2 complex subunit sigma Human genes 0.000 description 9
- 101000806914 Homo sapiens AP-2 complex subunit sigma Proteins 0.000 description 9
- 239000012298 atmosphere Substances 0.000 description 9
- 238000005476 soldering Methods 0.000 description 7
- 229910018125 Al-Si Inorganic materials 0.000 description 6
- 229910018520 Al—Si Inorganic materials 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 229910018566 Al—Si—Mg Inorganic materials 0.000 description 4
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 229910018134 Al-Mg Inorganic materials 0.000 description 2
- 229910018467 Al—Mg Inorganic materials 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910017944 Ag—Cu Inorganic materials 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910018131 Al-Mn Inorganic materials 0.000 description 1
- 229910018461 Al—Mn Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910007981 Si-Mg Inorganic materials 0.000 description 1
- 229910008316 Si—Mg Inorganic materials 0.000 description 1
- 229910020836 Sn-Ag Inorganic materials 0.000 description 1
- 229910020888 Sn-Cu Inorganic materials 0.000 description 1
- 229910020935 Sn-Sb Inorganic materials 0.000 description 1
- 229910020988 Sn—Ag Inorganic materials 0.000 description 1
- 229910019204 Sn—Cu Inorganic materials 0.000 description 1
- 229910018956 Sn—In Inorganic materials 0.000 description 1
- 229910008757 Sn—Sb 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
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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Abstract
Description
도 2 는, 본 발명의 제 1 실시형태에 관련된 파워 모듈용 기판 유닛의 제조에 사용하는 가압 장치의 정면도이다.
도 3 은, 본 발명의 제 2 실시형태에 관련된 파워 모듈용 기판 유닛의 제조 공정을 나타내는 단면도이다.
도 4 는, 본 발명의 제 3 실시형태에 관련된 파워 모듈용 기판 유닛의 제조 공정을 나타내는 단면도이다.
도 5 는, 본 발명의 제 4 실시형태에 관련된 파워 모듈용 기판 유닛의 제조 공정을 나타내는 단면도이다.
도 6 은, 본 발명의 제 5 실시형태에 관련된 파워 모듈용 기판 유닛의 제조 공정을 나타내는 단면도이다.
도 7 은, 본 발명의 제 6 실시형태에 관련된 파워 모듈용 기판 유닛의 단면도이다.
도 8 은, 본 발명의 제 7 실시형태에 관련된 파워 모듈용 기판 유닛의 단면도이다.
도 9 은, 도 8 의 파워 모듈용 기판 유닛을 나타내는 사시도이다.
11 : 세라믹스 기판
11S : 소세라믹스 기판
12 : 회로층
12S : 소회로층
13 : 금속층
13S : 소금속층
13a : 금속층 알루미늄판
15 : 제 1 층
15a : 제 1 층 알루미늄판
16 : 제 2 층
16a : 제 2 층 알루미늄판
17 : 파워 모듈용 기판
18 : 회로층
19 : 클래드판
20 : 히트 싱크
30 : 반도체 소자
40 : 브레이징재
41a : 회로측 접합 심재
41b : 방열측 접합 심재
42 : 브레이징재층
43a, 43b : 양면 브레이징 클래드재
44 : 브레이징재층
45 : 브레이징재
50 ∼ 56 : 파워 모듈용 기판 유닛
60 : 접합체
110 : 가압 장치
Claims (8)
상기 금속층이 순도 99.99 질량% 이상의 알루미늄판으로 이루어지고,
상기 히트 싱크가 순도 99.90 질량% 이하의 알루미늄판으로 이루어지고,
상기 회로층이, 상기 세라믹스 기판에 접합된 순도 99.99 질량% 이상의 알루미늄판으로 이루어지는 제 1 층과, 그 제 1 층의 표면에 접합된 순도 99.90 질량% 미만의 알루미늄판으로 이루어지는 제 2 층의 적층 구조를 갖는, 파워 모듈용 기판 유닛.
제 1 항에 기재된 파워 모듈용 기판 유닛으로서,
상기 제 2 층의 두께를 t1 (㎜), 상기 제 2 층의 접합 면적을 A1 (㎟), 상기 제 2 층의 내력을 σ1 (N/㎟) 로 하고,
상기 히트 싱크의 두께를 t2 (㎜), 상기 히트 싱크의 접합 면적을 A2 (㎟), 상기 히트 싱크의 내력을 σ2 (N/㎟) 로 했을 때에,
비율 (t1×A1×σ1)/(t2×A2×σ2) 가 0.85 이상 1.40 이하인, 파워 모듈용 기판 유닛.
제 1 항에 기재된 파워 모듈용 기판 유닛으로서,
상기 회로층은, 상기 제 1 층과 상기 제 2 층의 사이에 개재하는 알루미늄 합금판으로 이루어지는 회로측 접합 심재 (芯材) 를 또한 갖고,
상기 제 2 층의 두께를 t1 (㎜), 상기 제 2 층의 접합 면적을 A1 (㎟), 상기 제 2 층의 내력을 σ1 (N/㎟) 로 하고,
상기 히트 싱크의 두께를 t2 (㎜), 상기 히트 싱크의 접합 면적을 A2 (㎟), 상기 히트 싱크의 내력을 σ2 (N/㎟) 로 하고,
상기 회로측 접합 심재의 두께를 t3 (㎜), 상기 회로측 접합 심재와 상기 제 1 층의 접합 면적을 A3 (㎟), 상기 회로측 접합 심재의 내력을 σ3 (N/㎟) 으로 했을 때에,
비율 (t1×A1×σ1+t3×A3×σ3)/(t2×A2×σ2) 가 0.85 이상 1.40 이하인, 파워 모듈용 기판 유닛.
제 1 항에 기재된 파워 모듈용 기판 유닛으로서,
상기 금속층과 상기 히트 싱크의 사이에 개재하는 알루미늄 합금판으로 이루어지는 방열측 접합 심재를 또한 갖고,
상기 제 2 층의 두께를 t1 (㎜), 상기 제 2 층의 접합 면적을 A1 (㎟), 상기 제 2 층의 내력을 σ1 로 하고,
상기 히트 싱크의 두께를 t2 (㎜), 상기 히트 싱크의 접합 면적을 A2 (㎟), 상기 히트 싱크의 내력을 σ2 (N/㎟) 로 하고,
상기 방열측 접합 심재의 두께를 t4 (㎜), 상기 방열측 접합 심재와 상기 금속층의 접합 면적을 A4 (㎟), 상기 방열측 접합 심재의 내력을 σ4 (N/㎟) 로 했을 때에,
비율 (t1×A1×σ1)/(t2×A2×σ2+t4×A4×σ4) 가 0.85 이상 1.40 이하인, 파워 모듈용 기판 유닛.
제 1 항에 기재된 파워 모듈용 기판 유닛으로서,
상기 회로층은, 상기 제 1 층과 상기 제 2 층의 사이에 개재하는 알루미늄 합금판으로 이루어지는 회로측 접합 심재와,
상기 금속층과 상기 히트 싱크의 사이에 개재하는 알루미늄 합금판으로 이루어지는 방열측 접합 심재를 또한 갖고,
상기 제 2 층의 두께를 t1 (㎜), 상기 제 2 층의 접합 면적을 A1 (㎟), 상기 제 2 층의 내력을 σ1 (N/㎟) 로 하고,
상기 히트 싱크의 두께를 t2 (㎜), 상기 히트 싱크의 접합 면적을 A2 (㎟), 상기 히트 싱크의 내력을 σ2 (N/㎟) 로 하고,
상기 회로측 접합 심재의 두께를 t3 (㎜), 상기 회로측 접합 심재와 상기 제 1 층의 접합 면적을 A3 (㎟), 상기 회로측 접합 심재의 내력을 σ3 (N/㎟) 으로 하고,
상기 방열측 접합 심재의 두께를 t4 (㎜), 상기 방열측 접합 심재와 상기 금속층의 접합 면적을 A4 (㎟), 상기 방열측 접합 심재의 내력을 σ4 (N/㎟) 로 했을 때에,
비율 (t1×A1×σ1+t3×A3×σ3)/(t2×A2×σ2+t4×A4×σ4) 가 0.85 이상 1.40 이하인, 파워 모듈용 기판 유닛.
상기 파워 모듈용 기판의 상기 회로층이, 서로 분리된 복수의 소회로층에 의해 형성되어 있는, 파워 모듈용 기판 유닛.
상기 파워 모듈용 기판을 복수 구비하는, 파워 모듈용 기판 유닛.
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EP3136433B1 (en) | 2019-02-13 |
CN106165090B (zh) | 2020-07-03 |
US20170053852A1 (en) | 2017-02-23 |
EP3136433A4 (en) | 2018-03-28 |
JP2015216370A (ja) | 2015-12-03 |
KR101720921B1 (ko) | 2017-03-29 |
US10068829B2 (en) | 2018-09-04 |
WO2015163453A1 (ja) | 2015-10-29 |
TWI579986B (zh) | 2017-04-21 |
CN106165090A (zh) | 2016-11-23 |
JP5892281B2 (ja) | 2016-03-23 |
EP3136433A1 (en) | 2017-03-01 |
TW201611208A (zh) | 2016-03-16 |
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