KR100827588B1 - α-SiC 웨이퍼의 제조 방법 - Google Patents
α-SiC 웨이퍼의 제조 방법 Download PDFInfo
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- KR100827588B1 KR100827588B1 KR1020037014434A KR20037014434A KR100827588B1 KR 100827588 B1 KR100827588 B1 KR 100827588B1 KR 1020037014434 A KR1020037014434 A KR 1020037014434A KR 20037014434 A KR20037014434 A KR 20037014434A KR 100827588 B1 KR100827588 B1 KR 100827588B1
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 95
- 239000000758 substrate Substances 0.000 claims abstract description 89
- 229910021431 alpha silicon carbide Inorganic materials 0.000 claims abstract description 77
- 239000013078 crystal Substances 0.000 claims abstract description 45
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000000859 sublimation Methods 0.000 claims abstract description 15
- 230000008022 sublimation Effects 0.000 claims abstract description 15
- 230000006698 induction Effects 0.000 claims abstract description 14
- 238000001953 recrystallisation Methods 0.000 claims abstract description 13
- 230000005855 radiation Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 33
- 239000000843 powder Substances 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 235000012431 wafers Nutrition 0.000 description 57
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 229910002804 graphite Inorganic materials 0.000 description 15
- 239000010439 graphite Substances 0.000 description 15
- 239000012071 phase Substances 0.000 description 15
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- 238000005092 sublimation method Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000000151 deposition Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
- C30B23/02—Epitaxial-layer growth
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/36—Carbides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02167—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon carbide not containing oxygen, e.g. SiC, SiC:H or silicon carbonitrides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
분위기 | Ar (아르곤) 10 Torr |
원료 | SiC 분말 |
기판 | β-SiC 단결정 웨이퍼 β-SiC 다결정 웨이퍼 |
기판 직경 (Da) | 50 ㎜ |
원료 온도 | 2400 ℃ |
기판 온도 | 2200 ℃ |
원료/기판 거리 | 25 ㎜ |
성장 시간 | 30 분 |
분위기 | Ar 10 Torr |
원료 | SiC 분말 |
기판 | CVD-SiC 다결정 웨이퍼 |
원료 온도 | 2300 ℃ |
원료/기판 거리 | 2 ㎜ |
성장 시간 | 5 시간 |
Claims (4)
- SiC 분말의 승화 재결정법에 의해 기판상에 α-SiC 결정을 성장시키는 방법으로 α-SiC 웨이퍼를 제조하는 방법으로서,CVD법으로 제작된 β-SiC 결정을 기판으로 하고, 상기 기판과 SiC 분말 원료를 서로 근접하게 내부에 배치한 도가니를 하나의 유니트로 하여 설치하는 단계;복수의 유니트를 수직으로 다단 적층하고 해당 다층 유니트의 높이보다 높은 치수의 복사 튜브 내에 해당 다층 유니트를 배치하는 단계;유도 가열 코일에 의해 복사 튜브를 가열하여 튜브 내의 다층 유니트를 균일하게 가열 처리하여, 복수의 기판상에 제품 두께에 근접하는 두께까지 α-SiC 상을 성장시키는 단계; 및그 후, 상기 기판의 일부 또는 전부를 제거하여 α-SiC 웨이퍼를 제조하는 단계를 포함하는, α-SiC 웨이퍼의 제조 방법.
- SiC 분말의 승화 재결정법에 의해 기판상에 α-SiC 결정을 성장시키는 방법으로 α-SiC 웨이퍼를 제조하는 방법으로서,CVD법으로 제작된 β-SiC 결정을 기판으로 하고, 상기 기판과 SiC 분말 원료를 서로 근접하게 내부에 배치한 도가니를 하나의 유니트로 하여 설치하는 단계;복수의 유니트를 다단 적층하고 외장 도가니 내에 해당 다층 유니트를 배치하는 단계;외장 도가니의 전체 외주를 단열재로 둘러싸는 단계;상기 다단 적층된 복수의 유니트를 둘러싸는 상기 외장 도가니를 유도 가열 코일에 의해 가열하여 외장 도가니 내의 다층 유니트를 균일하게 가열 처리하여, 복수의 기판상에 제품 두께에 근접하는 두께까지 α-SiC 상을 성장시키는 단계; 및그 후, 상기 기판의 일부 또는 전부를 제거하여 α-SiC 웨이퍼를 제조하는 단계를 포함하는, α-SiC 웨이퍼의 제조 방법.
- SiC 분말의 승화 재결정법에 의해 기판상에 α-SiC 결정을 성장시키는 방법으로 α-SiC 웨이퍼를 제조하는 방법으로서,CVD법으로 제작된 β-SiC 결정을 기판으로 하고, 상기 기판과 SiC 분말 원료를 서로 근접하게 내부에 배치한 도가니를 하나의 유니트로 하여 설치하는 단계;자기 실드 링을 다단 적층된 복수의 유니트의 상하 주변부에 삽입하는 단계;유도 가열 코일에 의한 자속이 상하 주변부에 집중되지 않도록 다층 유니트를 균일하게 가열 처리하여, 복수의 기판상에 제품 두께에 근접하는 두께까지 α-SiC 상을 성장시키는 단계; 및그 후, 상기 기판의 일부 또는 전부를 제거하여 α-SiC 웨이퍼를 제조하는 단계를 포함하는, α-SiC 웨이퍼의 제조 방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,CVD법으로 제작된 β-SiC 결정상에 웨이퍼의 최종 두께보다 조금 더 두꺼운 α-SiC 상을 성장시킨 후, 성장된 벌크층을 절단하지 않고 상기 기판의 일부 또는 전부를 제거하여 α-SiC 웨이퍼를 제조하는, α-SiC 웨이퍼의 제조 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2001-00157668 | 2001-05-25 | ||
JP2001157668A JP4216491B2 (ja) | 2000-06-01 | 2001-05-25 | α−SiCウェハの製造方法 |
PCT/JP2002/005040 WO2002097174A1 (en) | 2001-05-25 | 2002-05-24 | PRODUCTION METHOD OF α-SIC WAFER |
Publications (2)
Publication Number | Publication Date |
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KR20040008169A KR20040008169A (ko) | 2004-01-28 |
KR100827588B1 true KR100827588B1 (ko) | 2008-05-07 |
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KR1020037014434A KR100827588B1 (ko) | 2001-05-25 | 2002-05-24 | α-SiC 웨이퍼의 제조 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6995036B2 (ko) |
EP (1) | EP1404904B1 (ko) |
KR (1) | KR100827588B1 (ko) |
DE (1) | DE60234925D1 (ko) |
TW (1) | TW583354B (ko) |
WO (1) | WO2002097174A1 (ko) |
Families Citing this family (6)
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JP4150642B2 (ja) * | 2003-08-04 | 2008-09-17 | 株式会社デンソー | 単結晶の成長方法および成長装置 |
SG150497A1 (en) * | 2004-07-23 | 2009-03-30 | Aspenbio Pharma Inc | Methods and devices for diagnosis of appendicitis |
US7314520B2 (en) | 2004-10-04 | 2008-01-01 | Cree, Inc. | Low 1c screw dislocation 3 inch silicon carbide wafer |
CA2759074A1 (en) * | 2010-02-05 | 2011-08-11 | Taro Nishiguchi | Method for manufacturing silicon carbide substrate |
US9546420B1 (en) * | 2012-10-08 | 2017-01-17 | Sandia Corporation | Methods of depositing an alpha-silicon-carbide-containing film at low temperature |
KR102089949B1 (ko) * | 2017-10-20 | 2020-03-19 | 세메스 주식회사 | 기판 처리 장치 및 기판 처리 장치의 부품 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0455397A (ja) * | 1990-06-20 | 1992-02-24 | Mitsui Eng & Shipbuild Co Ltd | α―SiC単結晶の製造方法 |
US5989340A (en) * | 1995-11-14 | 1999-11-23 | Siemens Aktiengesellschaft | Process and device for sublimation growing of silicon carbide monocrystals |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4310744A1 (de) * | 1993-04-01 | 1994-10-06 | Siemens Ag | Vorrichtung zum Herstellen von SiC-Einkristallen |
CA2263339C (en) * | 1997-06-27 | 2002-07-23 | Kichiya Tanino | Single crystal sic and process for preparing the same |
EP1243674B1 (en) * | 1999-09-06 | 2005-06-08 | Sixon Inc. | SiC SINGLE CRYSTAL AND METHOD FOR GROWING THE SAME |
JP4275308B2 (ja) * | 2000-12-28 | 2009-06-10 | 株式会社デンソー | 炭化珪素単結晶の製造方法およびその製造装置 |
-
2002
- 2002-05-13 TW TW091109927A patent/TW583354B/zh not_active IP Right Cessation
- 2002-05-24 KR KR1020037014434A patent/KR100827588B1/ko active IP Right Grant
- 2002-05-24 US US10/478,649 patent/US6995036B2/en not_active Expired - Lifetime
- 2002-05-24 EP EP02726485A patent/EP1404904B1/en not_active Expired - Lifetime
- 2002-05-24 WO PCT/JP2002/005040 patent/WO2002097174A1/en active Application Filing
- 2002-05-24 DE DE60234925T patent/DE60234925D1/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0455397A (ja) * | 1990-06-20 | 1992-02-24 | Mitsui Eng & Shipbuild Co Ltd | α―SiC単結晶の製造方法 |
US5989340A (en) * | 1995-11-14 | 1999-11-23 | Siemens Aktiengesellschaft | Process and device for sublimation growing of silicon carbide monocrystals |
Also Published As
Publication number | Publication date |
---|---|
KR20040008169A (ko) | 2004-01-28 |
EP1404904A1 (en) | 2004-04-07 |
US6995036B2 (en) | 2006-02-07 |
EP1404904B1 (en) | 2009-12-30 |
US20040241343A1 (en) | 2004-12-02 |
WO2002097174A1 (en) | 2002-12-05 |
DE60234925D1 (de) | 2010-02-11 |
TW583354B (en) | 2004-04-11 |
EP1404904A4 (en) | 2007-08-15 |
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