KR20120038293A - 반도체 기판 제조방법 - Google Patents
반도체 기판 제조방법 Download PDFInfo
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- KR20120038293A KR20120038293A KR1020100099976A KR20100099976A KR20120038293A KR 20120038293 A KR20120038293 A KR 20120038293A KR 1020100099976 A KR1020100099976 A KR 1020100099976A KR 20100099976 A KR20100099976 A KR 20100099976A KR 20120038293 A KR20120038293 A KR 20120038293A
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- semiconductor substrate
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- 239000000758 substrate Substances 0.000 title claims abstract description 171
- 239000004065 semiconductor Substances 0.000 title claims abstract description 70
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 15
- 230000001678 irradiating effect Effects 0.000 claims abstract description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 37
- 229910052594 sapphire Inorganic materials 0.000 claims description 19
- 239000010980 sapphire Substances 0.000 claims description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- XOYLJNJLGBYDTH-UHFFFAOYSA-M chlorogallium Chemical compound [Ga]Cl XOYLJNJLGBYDTH-UHFFFAOYSA-M 0.000 claims description 4
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims 1
- 238000003754 machining Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 10
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 5
- 239000012159 carrier gas Substances 0.000 description 4
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910002601 GaN Inorganic materials 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001364 causal effect Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- 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
- H01L21/02041—Cleaning
-
- 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02387—Group 13/15 materials
- H01L21/02389—Nitrides
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/268—Bombardment with radiation with high-energy radiation using electromagnetic radiation, e.g. laser radiation
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/7806—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices involving the separation of the active layers from a substrate
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- Engineering & Computer Science (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)
- High Energy & Nuclear Physics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
도 2 는 종래 사파이어 기판 위에서 성장된 후 분리된 질화갈륨(GaN) 기판을 도시한다.
도 3 은 본 발명에 따른 반도체 기판 제조 방법에 관한 흐름도이다.
Claims (3)
- 반응기 내부에 장착된 피성장기판에 혼합가스를 투입하여 반도체 기판을 성장시키되, 반도체 기판의 중심부의 두께가 350㎛ 이상, 500㎛ 이하가 될 때까지 성장시키는 단계;
상기 피성장기판의 하부면에 존재하는 폴리(poly) 잔유물을 제거하는 단계;
상기 피성장기판에 성장된 반도체 기판의 표면에 존재하는 힐록(hillock)을 제거하는 단계;
상기 힐록(hillock)이 제거된 반도체 기판의 에지를 가공하는 단계; 및
상기 피성장기판의 하부면에 레이저를 조사하여, 상기 피성장기판과 반도체 기판을 분리하는 단계;
를 포함하는 것을 특징으로 하는 반도체 기판 제조방법. - 제 1 항에 있어서, 상기 반응기 내부에 장착된 피성장기판에 혼합가스를 투입하여 반도체 기판을 성장시키되 반도체 기판의 중심부의 두께가 350㎛ 이상, 500㎛ 이하가 될 때까지 성장시키는 단계에서,
상기 혼합가스는 염화갈륨(GaCl)과 암모니아가스(NH3)이고,
상기 피성장기판에 성장되는 반도체 기판은 질화갈륨(GaN)인 것을 특징으로 하는 반도체 기판 제조방법. - 제 1 항에 있어서,
상기 피성장기판은,
사파이어 기판 또는 질화알루미늄 기판 중 어느 하나인 것을 특징으로 하는 반도체 기판 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100099976A KR20120038293A (ko) | 2010-10-13 | 2010-10-13 | 반도체 기판 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100099976A KR20120038293A (ko) | 2010-10-13 | 2010-10-13 | 반도체 기판 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20120038293A true KR20120038293A (ko) | 2012-04-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020100099976A Ceased KR20120038293A (ko) | 2010-10-13 | 2010-10-13 | 반도체 기판 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR20120038293A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9006703B2 (en) | 2013-07-31 | 2015-04-14 | International Business Machines Corporation | Method for reducing lateral extrusion formed in semiconductor structures and semiconductor structures formed thereof |
JP2022028712A (ja) * | 2016-11-29 | 2022-02-16 | パロ アルト リサーチ センター インコーポレイテッド | 薄膜および基板除去iii族窒化物ベースのデバイスおよび方法 |
-
2010
- 2010-10-13 KR KR1020100099976A patent/KR20120038293A/ko not_active Ceased
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9006703B2 (en) | 2013-07-31 | 2015-04-14 | International Business Machines Corporation | Method for reducing lateral extrusion formed in semiconductor structures and semiconductor structures formed thereof |
JP2022028712A (ja) * | 2016-11-29 | 2022-02-16 | パロ アルト リサーチ センター インコーポレイテッド | 薄膜および基板除去iii族窒化物ベースのデバイスおよび方法 |
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