KR101021450B1 - 알루미늄-탄화 규소질 복합체 - Google Patents
알루미늄-탄화 규소질 복합체 Download PDFInfo
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- KR101021450B1 KR101021450B1 KR1020067027916A KR20067027916A KR101021450B1 KR 101021450 B1 KR101021450 B1 KR 101021450B1 KR 1020067027916 A KR1020067027916 A KR 1020067027916A KR 20067027916 A KR20067027916 A KR 20067027916A KR 101021450 B1 KR101021450 B1 KR 101021450B1
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- Prior art keywords
- aluminum
- silicon carbide
- carbide composite
- heat dissipation
- aluminum layer
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- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 105
- 239000002131 composite material Substances 0.000 title claims abstract description 62
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 82
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 82
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 230000017525 heat dissipation Effects 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 50
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 27
- 239000000835 fiber Substances 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000005242 forging Methods 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000012798 spherical particle Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 abstract description 24
- 239000004065 semiconductor Substances 0.000 abstract description 8
- 238000003754 machining Methods 0.000 description 24
- 229910000838 Al alloy Inorganic materials 0.000 description 23
- 238000000137 annealing Methods 0.000 description 23
- 238000005470 impregnation Methods 0.000 description 15
- 238000000465 moulding Methods 0.000 description 9
- 239000000843 powder Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000010304 firing Methods 0.000 description 6
- 238000005304 joining Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 238000005476 soldering Methods 0.000 description 6
- 238000000227 grinding Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 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
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
Description
|
Al층 평균 두께 (㎛)*1 |
Al층 평균 두께의 차 (㎛) |
Al층 평균 두께(㎛) 최대 두께-최소 두께 |
Al층 평균 두께 차/주면 1)×100(%) |
열전도율(W/mk) |
열팽창계수(10-6/K) |
||
주면 1 | 주면 2 | 주면 1 | 주면 2 |
|||||
실시예 1 | 208 | 191 | 17 | 18 | 15 | 8.1 | 195 | 7.5 |
실시예 2 | 105 | 101 | 4 | 16 | 11 | 3.8 | 187 | 4.2 |
실시예 3 | 295 | 283 | 12 | 22 | 26 | 4.1 | 201 | 9.5 |
실시예 4 | 62 | 55 | 7 | 7 | 7 | 11.2 | 188 | 3.8 |
실시예 5 | 353 | 331 | 22 | 24 | 20 | 6.2 | 203 | 9.2 |
실시예 6 | 210 | 194 | 16 | 112 | 14 | 7.6 | 195 | 10.6 |
실시예 7 | 207 | 127 | 80 | 13 | 11 | 38.6 | 200 | 5.5 |
실시예 8 | 208 | 117 | 91 | 14 | 10 | 43.8 | 192 | 5.7 |
실시예 9 | 207 | 102 | 105 | 13 | 11 | 50.7 | 195 | 5.6 |
실시예 10 | 212 | 189 | 23 | 16 | 12 | 10.9 | 198 | 9.6 |
실시예 11 | 206 | 187 | 19 | 13 | 7 | 9.2 | 176 | 8.7 |
실시예 12 | 210 | 189 | 21 | 21 | 23 | 10 | 196 | 9.4 |
실시예 13 | 211 | 190 | 21 | 25 | 19 | 10 | 184 | 8.1 |
실시예 14 | 210 | 185 | 25 | 33 | 36 | 11.9 | 198 | 9.1 |
실시예 15 | 206 | 189 | 17 | 15 | 15 | 8.3 | 195 | 7.3 |
실시예 16 | 209 | 190 | 19 | 18 | 14 | 9.1 | 195 | 7.7 |
비교예 1 | 63 | 51 | 12 | 5 | 7 | 19.0 | 194 | 7.5 |
|
기계 가공 후 또는 휨 부여 후*3 |
어닐 후 |
어닐 전후의 휨량의 차 |
||
평균 휨*2 | 2개의 대각선 휨 값 차의 표준 편차 | 평균 휨*2 | 2개의 대각선 휨 값 차의 표준 편차 | ||
(㎛/200mm 스팬) | (㎛/200mm 스팬) | (㎛/200mm 스팬) | |||
실시예 1 | 204 | 3.3 | 206 | 5.3 | 2 |
실시예 2 | 205 | 2.1 | 206 | 4.3 | 1 |
실시예 3 | 200 | 3.5 | 207 | 10.2 | 7 |
실시예 4 | 203 | 2.5 | 204 | 3.8 | 1 |
실시예 5 | 203 | 4.8 | 208 | 13.1 | 5 |
실시예 6 | 201 | 4.6 | 239 | 41.2 | 38 |
실시예 7 | 201 | 3.8 | 181 | 17.1 | 20 |
실시예 8 | 199 | 3.9 | 172 | 25.5 | 27 |
실시예 9 | 202 | 3.9 | 156 | 22.1 | 46 |
실시예 10 | 205 | 3.5 | 183 | 27.6 | 22 |
실시예 11 | 203 | 3.4 | 205 | 6.8 | 2 |
실시예 12 | 204 | 3.1 | 206 | 10.3 | 2 |
실시예 13 | 202 | 3.3 | 188 | 7.2 | 4 |
실시예 14 | 206 | 5.6 | 188 | 11.8 | 18 |
실시예 15 | 201 | 3.3 | 198 | 18.7 | 3 |
실시예 16 | 204 | 3.3 | 214 | 13.6 | 10 |
비교예 1 | 201 | 66.2 | 185 | 79.8 | 16 |
Claims (6)
- 평판 형상의 탄화 규소질 다공체에 알루미늄을 함유하는 금속을 함침하여 이루어지고, 양 주면에 알루미늄을 함유하는 금속으로 이루어지는 알루미늄층을 갖고, 일 주면이 회로 기판에 접합되어 타 주면이 방열면으로서 사용되는 알루미늄-탄화 규소질 복합체에 있어서, 탄화 규소질 다공체의 방열면을 볼록형의 휨 형상으로 성형 또는 기계 가공하고, 알루미늄을 함유하는 금속을 함침 후, 방열면의 알루미늄층에 추가로 기계 가공을 실시하여 휨을 부여한 것을 특징으로 하는 알루미늄-탄화 규소질 복합체.
- 제 1 항에 있어서,회로 기판 접합면의 알루미늄층의 평균 두께가 0.1∼0.3mm, 상기 회로 기판 접합면 내의 알루미늄층의 두께 차가 0.1mm 이내이며, 추가로 양 주면의 알루미늄층의 평균 두께의 차가, 두꺼운 쪽의 알루미늄층의 평균 두께의 40% 이내인 것을 특징으로 하는 알루미늄-탄화 규소질 복합체.
- 제 1 항 또는 제 2 항에 있어서,알루미늄을 함유하는 금속으로 이루어지는 알루미늄층 중에, 알루미나 혹은 실리카를 함유하는, 섬유, 구상 입자 및 파쇄 형상의 입자 중 1종 이상을 5∼40질량% 함유시키는 것을 특징으로 하는 알루미늄-탄화 규소질 복합체.
- 제 1 항 또는 제 2 항에 있어서,열전도율이 180W/mK 이상이고, 또한 열팽창 계수가 10×10-6/K 이하인 것을 특징으로 하는 알루미늄-탄화 규소질 복합체.
- 제 1 항 또는 제 2 항에 있어서,가공 변형 제거를 위한 가열 처리 전후의 방열면의 장축 방향의 휨량의 변화량이, 200mm 당 30㎛ 이하인 것을 특징으로 하는 알루미늄-탄화 규소질 복합체.
- 제 1 항 또는 제 2 항에 있어서,고압 단조법으로 제조되는 것을 특징으로 하는 알루미늄-탄화 규소질 복합체.
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JP (1) | JP4761157B2 (ko) |
KR (1) | KR101021450B1 (ko) |
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JP2010024077A (ja) * | 2008-07-17 | 2010-02-04 | Denki Kagaku Kogyo Kk | アルミニウム−炭化珪素質複合体及びその製造方法 |
JP5646473B2 (ja) * | 2009-06-02 | 2014-12-24 | 電気化学工業株式会社 | アルミニウム−黒鉛質複合体、それを用いた放熱部品及びled発光部材 |
JP5602566B2 (ja) * | 2010-09-30 | 2014-10-08 | 日本ファインセラミックス株式会社 | アルミニウム−炭化珪素質複合体からなる伝熱部材 |
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CN106145952B (zh) * | 2015-03-23 | 2019-06-11 | 隆科电子(惠阳)有限公司 | 高绝缘碳化硅陶瓷基板与碳化硅基电路板及其制备方法 |
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