JP6662160B2 - 多結晶セラミック基板、接合層付き多結晶セラミック基板および積層基板 - Google Patents
多結晶セラミック基板、接合層付き多結晶セラミック基板および積層基板 Download PDFInfo
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- JP6662160B2 JP6662160B2 JP2016077130A JP2016077130A JP6662160B2 JP 6662160 B2 JP6662160 B2 JP 6662160B2 JP 2016077130 A JP2016077130 A JP 2016077130A JP 2016077130 A JP2016077130 A JP 2016077130A JP 6662160 B2 JP6662160 B2 JP 6662160B2
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- polycrystalline ceramic
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- 239000000758 substrate Substances 0.000 title claims description 255
- 239000000919 ceramic Substances 0.000 title claims description 129
- 239000004065 semiconductor Substances 0.000 claims description 111
- 150000001875 compounds Chemical group 0.000 claims description 83
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 15
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052863 mullite Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 26
- 230000015572 biosynthetic process Effects 0.000 description 21
- 230000006866 deterioration Effects 0.000 description 20
- 238000000034 method Methods 0.000 description 15
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 229910002601 GaN Inorganic materials 0.000 description 12
- 238000005498 polishing Methods 0.000 description 12
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 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
- 239000006061 abrasive grain Substances 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 235000012255 calcium oxide Nutrition 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 229910052878 cordierite Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 229910052596 spinel Inorganic materials 0.000 description 2
- 239000011029 spinel Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910052733 gallium Inorganic materials 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
- 239000002245 particle Substances 0.000 description 1
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Description
0.7<α1/α2<0.9・・・(1)
および関係式(2)
0.7<α3/α4<0.9・・・(2)
のうち少なくともいずれか一方が成立する。
最初に本願発明の実施態様を列記して説明する。本願の多結晶セラミック基板は、化合物半導体基板に対して接合層を介して接合される多結晶セラミック基板である。この多結晶セラミック基板においては、30℃〜300℃における、多結晶セラミック基板の線膨張係数をα1、化合物半導体基板の線膨張係数をα2とし、30℃〜1000℃における、多結晶セラミック基板の線膨張係数をα3、化合物半導体基板の線膨張係数をα4とした場合に、関係式(1)
0.7<α1/α2<0.9・・・(1)
および関係式(2)
0.7<α3/α4<0.9・・・(2)
のうち少なくともいずれか一方が成立する。
次に、本発明にかかる多結晶セラミック基板、接合層付き多結晶セラミック基板および積層基板の一実施の形態を、以下に図面を参照しつつ説明する。なお、以下の図面において同一または相当する部分には同一の参照番号を付しその説明は繰返さない。
0.7<α1/α2<0.9・・・(1)
および関係式(2)
0.7<α3/α4<0.9・・・(2)
のうち少なくともいずれか一方が成立する。
0.7<α1/α2<0.9・・・(1)
が満たされている実施例A〜Cにおいては、接合面積率が95%を超える状態であるのに対し、関係式(1)が満たされない比較例A〜Cにおいては接合面積率が70%以下となっている。
0.7<α3/α4<0.9・・・(2)
が満たされている実施例DおよびEにおいては、接合面積率が95%を超える状態であるのに対し、関係式(2)が満たされない比較例Dにおいては接合面積率が60%となっている。
2 接合層付き多結晶セラミック基板
10 多結晶セラミック基板
10A 主面
20 接合層
20A 主面
30 化合物半導体基板
30A 主面
Claims (5)
- ガリウム砒素からなる化合物半導体基板に対して接合層を介して接合される多結晶セラミック基板であって、
前記多結晶セラミック基板は、アルミナ粉末(A)およびムライト粉末(B)の混合物の焼結体であって、前記混合物のモル比(A/B)が2.3以上7.8以下であり、
30℃〜300℃における、前記多結晶セラミック基板の線膨張係数をα1、前記化合物半導体基板の線膨張係数をα2とした場合に、関係式(1)
0.73≦α1/α2 ≦0.88・・・(1)
が成立する、多結晶セラミック基板。 - ヤング率が200GPa以上である、請求項1に記載の多結晶セラミック基板。
- 前記接合層は珪素を含む酸化物からなる、請求項1または2に記載の多結晶セラミック基板。
- 請求項1から請求項3のいずれか1項に記載の多結晶セラミック基板と、
前記多結晶セラミック基板の主面上に形成された前記接合層と、を備える、接合層付き多結晶セラミック基板。 - 請求項1から請求項3のいずれか1項に記載の多結晶セラミック基板と、
前記多結晶セラミック基板の主面上に形成された前記接合層と、
前記接合層上に配置された前記化合物半導体基板と、を備え、
前記多結晶セラミック基板と前記化合物半導体基板とは、前記接合層により接合されている、積層基板。
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PCT/JP2017/014255 WO2017175801A1 (ja) | 2016-04-07 | 2017-04-05 | 多結晶セラミック基板、接合層付き多結晶セラミック基板および積層基板 |
US16/091,241 US11545356B2 (en) | 2016-04-07 | 2017-04-05 | Polycrystalline ceramic substrate, bonding-layer-including polycrystalline ceramic substrate, and laminated substrate |
TW106111765A TWI709672B (zh) | 2016-04-07 | 2017-04-07 | 多晶陶瓷基板、附加有接合層的多晶陶瓷基板及積層基板 |
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