JP2008069059A - SiC焼結体の接合体、SiC焼結体の接合体の接合方法 - Google Patents
SiC焼結体の接合体、SiC焼結体の接合体の接合方法 Download PDFInfo
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- JP2008069059A JP2008069059A JP2006250743A JP2006250743A JP2008069059A JP 2008069059 A JP2008069059 A JP 2008069059A JP 2006250743 A JP2006250743 A JP 2006250743A JP 2006250743 A JP2006250743 A JP 2006250743A JP 2008069059 A JP2008069059 A JP 2008069059A
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- 238000000034 method Methods 0.000 title claims description 18
- 239000000126 substance Substances 0.000 claims abstract description 17
- 238000005245 sintering Methods 0.000 claims abstract description 12
- 238000001237 Raman spectrum Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 6
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- 238000004090 dissolution Methods 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 8
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 235000012431 wafers Nutrition 0.000 description 7
- 239000000843 powder Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
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- -1 amine compound Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
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- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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Abstract
【解決手段】本SiC焼結体の接合体は、B系焼結助剤を用いたSiC焼結体同士が、Siからなる接合部を介して接合され、接合部中のB濃度が1019atoms/cm3(500ppm)以上、1021atoms/cm3以下である。
【選択図】 図1
Description
2 SiC焼結体
3 接合部
Claims (5)
- B系焼結助剤を用いたSiC焼結体同士が、Siからなる接合部を介して接合され、この接合部中のB濃度が1019atoms/cm3(または、500ppm)以上、1021atoms/cm3以下であることを特徴とするSiC焼結体の接合体。
- 前記接合部中のB濃度は、SiC焼結体とSi層界面に近接するSi層中で高く、Si層界面から離れるにつれて低下することを特徴とする請求項1に記載のSiC焼結体の接合体。
- 前記接合部から得られたSiのラマンスペクトルの非対称性αが0.55≦α<1.0であることを特徴とする請求項1または2に記載のSiC焼結体の接合体。
- さらに、耐薬液性の高い領域としては、前記接合部から得られたSiのラマンスペクトルの非対称性αが0.60≦α<1.0であることを特徴とする請求項1または2に記載のSiC焼結体の接合体。
- 接合されるB系焼結助剤を用いたSiC焼結体の接合面に接合材としてのSiを介在させ、真空雰囲気あるいは非酸化雰囲気において熱処理し、SiC焼結体同士をSi接合し、このSi接合処理中に、SiC焼結体中のBをSi接合部中に拡散、濃縮し、Si接合部中のB濃度を1019atoms/cm3(または、500ppm)以上、1021atoms/cm3までの濃度に高めることを特徴とするSiC焼結体の接合体の接合方法。
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JP2006250743A JP4906451B2 (ja) | 2006-09-15 | 2006-09-15 | SiC焼結体の接合体、SiC焼結体の接合体の接合方法 |
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JP2006250743A JP4906451B2 (ja) | 2006-09-15 | 2006-09-15 | SiC焼結体の接合体、SiC焼結体の接合体の接合方法 |
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JP2008069059A true JP2008069059A (ja) | 2008-03-27 |
JP4906451B2 JP4906451B2 (ja) | 2012-03-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018016417A1 (ja) * | 2016-07-19 | 2018-01-25 | 株式会社サイコックス | 半導体基板 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61251573A (ja) * | 1985-04-30 | 1986-11-08 | イビデン株式会社 | 炭化珪素焼結体の製造方法 |
JP2001220239A (ja) * | 2000-02-07 | 2001-08-14 | Hitachi Chem Co Ltd | 炭化珪素焼結体及びその製造法 |
JP2001261459A (ja) * | 2000-03-23 | 2001-09-26 | Toshiba Ceramics Co Ltd | 炭化ケイ素セラミックス接合体およびその製造方法 |
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2006
- 2006-09-15 JP JP2006250743A patent/JP4906451B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61251573A (ja) * | 1985-04-30 | 1986-11-08 | イビデン株式会社 | 炭化珪素焼結体の製造方法 |
JP2001220239A (ja) * | 2000-02-07 | 2001-08-14 | Hitachi Chem Co Ltd | 炭化珪素焼結体及びその製造法 |
JP2001261459A (ja) * | 2000-03-23 | 2001-09-26 | Toshiba Ceramics Co Ltd | 炭化ケイ素セラミックス接合体およびその製造方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018016417A1 (ja) * | 2016-07-19 | 2018-01-25 | 株式会社サイコックス | 半導体基板 |
JP2018014372A (ja) * | 2016-07-19 | 2018-01-25 | 株式会社サイコックス | 半導体基板 |
KR20190021475A (ko) * | 2016-07-19 | 2019-03-05 | 가부시키가이샤 사이콕스 | 반도체 기판 |
KR102035122B1 (ko) | 2016-07-19 | 2019-10-22 | 가부시키가이샤 사이콕스 | 반도체 기판 |
US10680068B2 (en) | 2016-07-19 | 2020-06-09 | Sicoxs Corporation | Semiconductor substrate |
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