JP5089383B2 - 埋め込みp+シリコン・ゲルマニウム層の陽極酸化による歪みシリコン・オン・インシュレータ - Google Patents
埋め込みp+シリコン・ゲルマニウム層の陽極酸化による歪みシリコン・オン・インシュレータ Download PDFInfo
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- 229910000577 Silicon-germanium Inorganic materials 0.000 title claims description 27
- 239000012212 insulator Substances 0.000 title claims description 13
- 230000003647 oxidation Effects 0.000 title description 6
- 238000007254 oxidation reaction Methods 0.000 title description 6
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 title 1
- 239000004065 semiconductor Substances 0.000 claims description 161
- 238000000034 method Methods 0.000 claims description 94
- 239000000758 substrate Substances 0.000 claims description 68
- 239000002019 doping agent Substances 0.000 claims description 23
- 238000002048 anodisation reaction Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 9
- 238000000137 annealing Methods 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 230000007547 defect Effects 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000001505 atmospheric-pressure chemical vapour deposition Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 238000000038 ultrahigh vacuum chemical vapour deposition Methods 0.000 claims description 3
- 238000007743 anodising Methods 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims description 2
- 238000001451 molecular beam epitaxy Methods 0.000 claims description 2
- 238000002230 thermal chemical vapour deposition Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 172
- 239000000463 material Substances 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 11
- 238000005530 etching Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 238000001459 lithography Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910003811 SiGeC Inorganic materials 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910003465 moissanite Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000001289 rapid thermal chemical vapour deposition Methods 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
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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
- H01L21/70—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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76251—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques
- H01L21/76259—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques with separation/delamination along a porous layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/967—Semiconductor on specified insulator
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Recrystallisation Techniques (AREA)
- Element Separation (AREA)
- Thin Film Transistor (AREA)
Description
基板と、基板の上の緩和半導体層と、緩和半導体層の上のドープされた緩和半導体層と、ドープされた緩和半導体層の上の歪み半導体層とを含む構造物を設ける工程であって、前記緩和半導体層と、前記ドープされた緩和半導体層と、前記歪み半導体層とは同一の結晶配向を有する工程と、
歪み半導体層の下のドープされた緩和半導体層を埋め込み多孔質層に変換する工程と、
埋め込み多孔質層を含む構造物をアニールして歪み半導体オン・インシュレータ基板を設ける工程であって、前記アニールする工程の間に埋め込み多孔質層を埋め込み酸化物層に変換する工程と、
を含む。
基板と、
基板の上の緩和半導体層と、
緩和半導体層の上の高品質埋め込み酸化物層と、
高品質埋め込み酸化物層の上の歪み半導体層と、
を含み、緩和半導体層と歪み半導体層とは同一の結晶配向を有する。
Claims (30)
- 歪み半導体オン・インシュレータ(SSOI)基板を製造する方法であって、
基板と、前記基板上の緩和半導体層と、前記緩和半導体層上のドープされた緩和半導体層と、前記ドープされた緩和半導体層上の歪み半導体層とを備える構造物を設ける工程であって、前記緩和半導体層と、前記ドープされた緩和半導体層と、前記歪み半導体層とは同一の結晶配向を有する工程と、
前記歪み半導体層の下の前記ドープされた緩和半導体層を埋め込み多孔質層に変換する工程と、
前記埋め込み多孔質層を備える前記構造物をアニールして歪み半導体オン・インシュレータ基板を設ける工程であって、前記アニールする工程の間に前記埋め込み多孔質層を埋め込み酸化物層に変換する工程と、
を含む方法。 - 前記構造物を設ける前記工程は、前記緩和半導体層と、前記ドープされた緩和半導体層と、前記歪み半導体層とのエピタキシャル成長を含む、請求項1に記載の方法。
- 前記エピタキシャル成長は高速熱化学的気相堆積法、低エネルギー・プラズマ堆積法、超高真空化学的気相堆積法、大気圧化学的気相堆積法または分子線エピタキシ法を含む、請求項2に記載の方法。
- 前記基板は結晶性半導体基板である、請求項1に記載の方法。
- 前記結晶性半導体基板はドープされている、請求項4に記載の方法。
- 前記結晶性半導体基板はSi含有基板である、請求項4に記載の方法。
- 前記緩和半導体層は、最大99原子パーセントGeを有するSiGe合金層を含む、請求項1に記載の方法。
- 前記緩和半導体層は10%以上の実測緩和度を有する、請求項1に記載の方法。
- 前記緩和半導体層は、準安定であって1×105欠陥/cm3以上の欠陥密度を有する表面領域を備える、請求項1に記載の方法。
- 前記緩和半導体層は、変化するGe含量を有する傾斜SiGe合金層である、請求項1に記載の方法。
- 前記緩和半導体層はドープされている、請求項1に記載の方法。
- 前記ドープされた緩和半導体層はp型ドーパントを含む、請求項1に記載の方法。
- 前記p型ドーパントは、1×1019原子/cm3以上の濃度で前記ドープされた緩和半導体層中に存在する、請求項12に記載の方法。
- 前記ドープされた緩和半導体層はSi含有半導体を含む、請求項1に記載の方法。
- 前記Si含有半導体はSiまたはSiGeを含む、請求項14に記載の方法。
- 前記ドープされた緩和半導体層は前記緩和半導体層のうちの上部領域である、請求項1に記載の方法。
- 前記歪み半導体層は、圧縮歪み状態または引張り歪み状態にある、請求項1に記載の方法。
- 前記歪み半導体層はSi含有半導体を含む、請求項1に記載の方法。
- 前記Si含有半導体はSiまたはSiGeを含む、請求項18に記載の方法。
- 前記歪み半導体は、1×1015原子/cm3以上のドーパント濃度を有するドープされた層である、請求項1に記載の方法。
- 前記緩和半導体層と、前記ドープされた緩和半導体層と、前記歪み半導体層とは、(100)、(110)または(111)結晶配向を有する、請求項1に記載の方法。
- 前記ドープされた緩和半導体層を埋め込み多孔質層に変換する工程の前に、前記歪み半導体層にパターンを形成する工程をさらに含む、請求項1に記載の方法。
- 前記ドープされた緩和半導体層を埋め込み多孔質層に変換する工程は、電解陽極酸化プロセスを含む、請求項1に記載の方法。
- 前記電解陽極酸化プロセスは、HF含有溶液の存在下で実行される、請求項23に記載の方法。
- 前記電解陽極酸化プロセスは、0.05から50ミリアンペア/cm2の電流密度で動作する定電流電源を用いて実行される、請求項23に記載の方法。
- 前記多孔質半導体層は約0.1%以上の多孔度を有する、請求項1に記載の方法。
- 前記アニールする工程は酸素含有雰囲気中で実行され、前記雰囲気はオプションとして不活性ガスを含んでいてもよい、請求項1に記載の方法。
- 前記アニールする工程は400℃より高い温度で実行される、請求項1に記載の方法。
- ベークする工程をさらに含み、前記ベークする工程は前記歪み半導体オン・インシュレータ基板中に存在するドーパントを減少させる、請求項1に記載の方法。
- 歪み半導体オン・インシュレータ基板を製造する方法であって、
エピタキシャル・ドープされた緩和半導体層の表面の上に歪み半導体層をエピタキシャル成長させる工程であって、前記ドープされた緩和半導体はエピタキシャル緩和SiGeテンプレートの上に配置されている工程と、
前記ドープされた緩和半導体層を電解陽極酸化して、前記ドープされた緩和半導体層を多孔質層に変換する工程と、
前記歪み半導体層および前記多孔質層を酸化し、それによって、前記多孔質層を前記歪み半導体層と前記緩和SiGeテンプレートとの間に配置された埋め込み酸化物層に変換する工程と、
を含む方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/883,887 | 2004-07-02 | ||
US10/883,887 US7172930B2 (en) | 2004-07-02 | 2004-07-02 | Strained silicon-on-insulator by anodization of a buried p+ silicon germanium layer |
PCT/EP2005/052424 WO2006003061A1 (en) | 2004-07-02 | 2005-05-27 | STRAINED SILICON-ON-INSULATOR BY ANODIZATION OF A BURIED p+ SILICON GERMANIUM LAYER |
Publications (3)
Publication Number | Publication Date |
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JP2008504704A JP2008504704A (ja) | 2008-02-14 |
JP2008504704A5 JP2008504704A5 (ja) | 2008-05-29 |
JP5089383B2 true JP5089383B2 (ja) | 2012-12-05 |
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JP2007518571A Expired - Fee Related JP5089383B2 (ja) | 2004-07-02 | 2005-05-27 | 埋め込みp+シリコン・ゲルマニウム層の陽極酸化による歪みシリコン・オン・インシュレータ |
Country Status (7)
Country | Link |
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US (3) | US7172930B2 (ja) |
EP (1) | EP1779423A1 (ja) |
JP (1) | JP5089383B2 (ja) |
KR (1) | KR100961815B1 (ja) |
CN (1) | CN101120442A (ja) |
TW (1) | TWI359477B (ja) |
WO (1) | WO2006003061A1 (ja) |
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2005
- 2005-05-27 CN CNA2005800225131A patent/CN101120442A/zh active Pending
- 2005-05-27 JP JP2007518571A patent/JP5089383B2/ja not_active Expired - Fee Related
- 2005-05-27 WO PCT/EP2005/052424 patent/WO2006003061A1/en active Application Filing
- 2005-05-27 EP EP05752768A patent/EP1779423A1/en not_active Withdrawn
- 2005-05-27 KR KR1020077000058A patent/KR100961815B1/ko not_active IP Right Cessation
- 2005-06-30 TW TW094122166A patent/TWI359477B/zh not_active IP Right Cessation
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TW200616141A (en) | 2006-05-16 |
KR20070037483A (ko) | 2007-04-04 |
US7592671B2 (en) | 2009-09-22 |
CN101120442A (zh) | 2008-02-06 |
TWI359477B (en) | 2012-03-01 |
EP1779423A1 (en) | 2007-05-02 |
US20070111463A1 (en) | 2007-05-17 |
US20080277690A1 (en) | 2008-11-13 |
WO2006003061A1 (en) | 2006-01-12 |
JP2008504704A (ja) | 2008-02-14 |
US20060003555A1 (en) | 2006-01-05 |
US7172930B2 (en) | 2007-02-06 |
KR100961815B1 (ko) | 2010-06-08 |
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