JP4906451B2 - 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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- JP4906451B2 JP4906451B2 JP2006250743A JP2006250743A JP4906451B2 JP 4906451 B2 JP4906451 B2 JP 4906451B2 JP 2006250743 A JP2006250743 A JP 2006250743A JP 2006250743 A JP2006250743 A JP 2006250743A JP 4906451 B2 JP4906451 B2 JP 4906451B2
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- 238000000034 method Methods 0.000 title claims description 18
- 238000001237 Raman spectrum Methods 0.000 claims description 13
- 238000005245 sintering Methods 0.000 claims description 11
- 230000007423 decrease Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 description 15
- 238000004090 dissolution Methods 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 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
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
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- 238000010438 heat treatment Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 2
- 239000007864 aqueous solution 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
- 239000002253 acid Substances 0.000 description 1
- 229920005822 acrylic binder Polymers 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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- 239000001913 cellulose Substances 0.000 description 1
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- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 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
- 239000000155 melt Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
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Description
2 SiC焼結体
3 接合部
Claims (3)
- 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とともに、1019atoms/cm3(または、500ppm)以上、1021atoms/cm3以下であり、さらに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0.60≦α<1.0であ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。
- 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、SiC焼結体とSi層界面に近接するSi層中で高くし、Si層界面から離れるにつれて低下させるとともに、1019atoms/cm3(または、500ppm)以上、1021atoms/cm3までの濃度に高め、さらに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を0.55≦α<1.0とす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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
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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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008069059A JP2008069059A (ja) | 2008-03-27 |
| JP4906451B2 true JP4906451B2 (ja) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2006250743A Expired - Fee Related 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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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6387375B2 (ja) | 2016-07-19 | 2018-09-05 | 株式会社サイコックス | 半導体基板 |
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| 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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