JP2005203685A - 半導体装置,及び半導体装置の製造方法 - Google Patents
半導体装置,及び半導体装置の製造方法 Download PDFInfo
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- JP2005203685A JP2005203685A JP2004010523A JP2004010523A JP2005203685A JP 2005203685 A JP2005203685 A JP 2005203685A JP 2004010523 A JP2004010523 A JP 2004010523A JP 2004010523 A JP2004010523 A JP 2004010523A JP 2005203685 A JP2005203685 A JP 2005203685A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 74
- 229910052594 sapphire Inorganic materials 0.000 claims abstract description 63
- 239000010980 sapphire Substances 0.000 claims abstract description 63
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 55
- 239000010703 silicon Substances 0.000 claims abstract description 55
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000005530 etching Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- -1 silicon ions Chemical class 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 21
- 244000045947 parasite Species 0.000 abstract 1
- 230000003071 parasitic effect Effects 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000293849 Cordylanthus Species 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000005280 amorphization Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004050 hot filament vapor deposition Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 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
- H01L21/02—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
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
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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
- H01L21/02002—Preparing wafers
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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
- H01L21/77—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
- H01L21/82—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 to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/84—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 to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being other than a semiconductor body, e.g. being an insulating body
- H01L21/86—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 to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being other than a semiconductor body, e.g. being an insulating body the insulating body being sapphire, e.g. silicon on sapphire structure, i.e. SOS
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- 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
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
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Abstract
【解決手段】 サファイア基板10のアクティブ領域Aとなる箇所を異方性エッチングし,端部がサファイア基板10の表面と略垂直になるようにする工程と,エッチング深さよりも厚くシリコン層20を形成する工程と,シリコンイオン25を注入し,シリコン層20を非結晶(アモルファス)化する工程と,熱処理を施し,アモルファス化したシリコン層21を再結晶化する工程と,再結晶化したシリコン層22の平坦化をサファイア基板10が露出するまで行い,アクティブ領域Aとなるシリコン層22を残す工程と,を含むことにより,素子間分離領域Bをサファイア基板10に垂直に形成することができる。
【選択図】 図1
Description
第1の実施の形態による半導体装置について,図1の工程断面図を参照して説明する。まず絶縁基板であるサファイア基板10の,素子領域(アクティブ領域)Aとなる領域が開口されるようにホトリソグラフィを用いてホトレジスト11でパターニングを行う。次に,例えば,フッ素(F)系,或いは塩素(Cl)系エッチングガスを用いたプラズマエッチング法で,異方性エッチングを行い,所定の深さ,例えば30〜500nm程度に側面がサファイア表面と略垂直となるようにサファイアをエッチングする(図1(a))。異方性エッチングの方法としては,イオンスパッタリング法などでもよい。
第2の実施の形態による半導体装置について,図3の工程断面図を参照して説明する。第1の実施の形態と同様にサファイア基板10の,アクティブ領域となる箇所にパターニング後,異方性エッチングを行い,所定の深さ,例えば20〜500nm程度までサファイアをエッチング除去する。
20 Si層
21 Si層
22 Si層
25 Si+イオン
A アクティブ領域
B 素子間分離領域
Claims (8)
- 絶縁基板と,
前記絶縁基板の表面から,側面が略垂直となるようにエッチングされた領域に形成された素子領域と,
を有することを特徴とする半導体装置。 - 前記絶縁基板は,サファイア基板であることを特徴とする請求項1に記載の半導体装置。
- 前記素子領域は,シリコン層で形成されていることを特徴とする請求項1または2に記載の半導体装置。
- 前記素子領域となる前記シリコン層の表面は,前記絶縁基板の表面より低い位置に形成されていることを特徴とする1,2または3のいずれかに記載の半導体装置。
- サファイア基板を用いた半導体装置の製造方法において;
前記サファイア基板の素子領域となる領域を選択的に,側面が略垂直となるようにエッチングする工程と,
前記サファイア基板全面に,前記サファイア基板のエッチング深さよりも厚く,シリコン層を形成する工程と,
前記シリコン層にシリコンイオンを注入し,前記シリコン層を非結晶化する工程と,
熱処理を施し,非結晶化した前記シリコン層を再結晶化する工程と,
前記サファイア基板が露出するまで,再結晶化した前記シリコン層の平坦化を行い,前記サファイア基板のエッチング領域に前記シリコン層を残す工程と,
を含むことを特徴とする半導体装置の製造方法。 - 前記サファイア基板のエッチングの深さは,前記素子領域の所望の厚さとほぼ同じに形成されることを特徴とする請求項5に記載の半導体装置の製造方法。
- 再結晶化した前記シリコン層の平坦化を行った後,
前記サファイア基板を熱処理し,前記シリコン層上及び前記シリコン層の残渣が存在する前記サファイア基板上に熱酸化膜を形成する工程と,
前記熱酸化膜を除去する工程と,
を含むことを特徴とする請求項5に記載の半導体装置の製造方法。 - 前記シリコン層上の前記熱酸化膜の厚さは,平坦化された前記シリコン層の厚さの約1/100〜1/2の厚さであることを特徴とする請求項7に記載の半導体装置の製造方法。
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JP2004010523A JP2005203685A (ja) | 2004-01-19 | 2004-01-19 | 半導体装置,及び半導体装置の製造方法 |
US10/918,485 US7190040B2 (en) | 2004-01-19 | 2004-08-16 | Semiconductor device and method of manufacturing same |
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JP2004010523A JP2005203685A (ja) | 2004-01-19 | 2004-01-19 | 半導体装置,及び半導体装置の製造方法 |
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JP2005203685A true JP2005203685A (ja) | 2005-07-28 |
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JP (1) | JP2005203685A (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US8324011B2 (en) * | 2007-09-11 | 2012-12-04 | Globalfoundries Singapore Pte. Ltd. | Implementation of temperature-dependent phase switch layer for improved temperature uniformity during annealing |
US7897447B2 (en) * | 2009-02-24 | 2011-03-01 | Texas Instruments Incorporated | Use of in-situ HCL etch to eliminate by oxidation recrystallization border defects generated during solid phase epitaxy (SPE) in the fabrication of nano-scale CMOS transistors using direct silicon bond substrate (DSB) and hybrid orientation technology (HOT) |
KR102178535B1 (ko) | 2014-02-19 | 2020-11-13 | 삼성전자주식회사 | 반도체 소자의 제조 방법 |
CN116403970B (zh) * | 2023-06-09 | 2023-08-25 | 合肥晶合集成电路股份有限公司 | 半导体器件及其制造方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS493036B1 (ja) * | 1969-10-20 | 1974-01-24 | ||
JPS56162828A (en) * | 1980-05-20 | 1981-12-15 | Toshiba Corp | Manufacture of semiconductor device |
JPH0472770A (ja) * | 1990-07-13 | 1992-03-06 | Matsushita Electron Corp | 半導体装置の製造方法 |
JPH06224395A (ja) * | 1993-01-24 | 1994-08-12 | Sony Corp | Soi半導体装置の製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59159563A (ja) * | 1983-03-02 | 1984-09-10 | Toshiba Corp | 半導体装置の製造方法 |
NL8501773A (nl) * | 1985-06-20 | 1987-01-16 | Philips Nv | Werkwijze voor het vervaardigen van halfgeleiderinrichtingen. |
JPH05326692A (ja) | 1992-05-25 | 1993-12-10 | Fujitsu Ltd | 半導体装置の製造方法 |
JP2000223419A (ja) | 1998-06-30 | 2000-08-11 | Sony Corp | 単結晶シリコン層の形成方法及び半導体装置の製造方法、並びに半導体装置 |
JP3994299B2 (ja) | 1998-06-30 | 2007-10-17 | ソニー株式会社 | 半導体装置の製造方法 |
US6228691B1 (en) * | 1999-06-30 | 2001-05-08 | Intel Corp. | Silicon-on-insulator devices and method for producing the same |
-
2004
- 2004-01-19 JP JP2004010523A patent/JP2005203685A/ja active Pending
- 2004-08-16 US US10/918,485 patent/US7190040B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS493036B1 (ja) * | 1969-10-20 | 1974-01-24 | ||
JPS56162828A (en) * | 1980-05-20 | 1981-12-15 | Toshiba Corp | Manufacture of semiconductor device |
JPH0472770A (ja) * | 1990-07-13 | 1992-03-06 | Matsushita Electron Corp | 半導体装置の製造方法 |
JPH06224395A (ja) * | 1993-01-24 | 1994-08-12 | Sony Corp | Soi半導体装置の製造方法 |
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Publication number | Publication date |
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US7190040B2 (en) | 2007-03-13 |
US20050156270A1 (en) | 2005-07-21 |
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