JP6076584B2 - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- JP6076584B2 JP6076584B2 JP2011020521A JP2011020521A JP6076584B2 JP 6076584 B2 JP6076584 B2 JP 6076584B2 JP 2011020521 A JP2011020521 A JP 2011020521A JP 2011020521 A JP2011020521 A JP 2011020521A JP 6076584 B2 JP6076584 B2 JP 6076584B2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6758—Thin-film transistors [TFT] characterised by the insulating substrates
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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
- H01L21/76254—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 an ion implanted layer, e.g. Smart-cut, Unibond
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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
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
- H01L21/76283—Lateral isolation by refilling of trenches with dielectric material
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0321—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] comprising silicon, e.g. amorphous silicon or polysilicon
- H10D30/0323—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] comprising silicon, e.g. amorphous silicon or polysilicon comprising monocrystalline silicon
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/62—Fin field-effect transistors [FinFET]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6704—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device
- H10D30/6713—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device characterised by the properties of the source or drain regions, e.g. compositions or sectional shapes
- H10D30/6715—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device characterised by the properties of the source or drain regions, e.g. compositions or sectional shapes characterised by the doping profiles, e.g. having lightly-doped source or drain extensions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/201—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates the substrates comprising an insulating layer on a semiconductor body, e.g. SOI
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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)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Element Separation (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
Claims (5)
- SOI基板と、前記SOI基板上に形成された半導体構造とを備える半導体装置であって、
前記SOI基板は、
半導体基材と、
半導体層と、
前記半導体基材上に形成された下部絶縁膜と、前記下部絶縁膜上に形成された窒化膜と、前記窒化膜上に形成された上部絶縁膜とを有し、前記半導体基材と前記半導体層とに挟み込まれ、前記半導体基材から前記半導体層を電気的に絶縁分離する埋め込み絶縁膜と、を含み、
前記半導体構造は、
前記半導体層上に形成されたゲート絶縁膜と前記ゲート絶縁膜上に形成されたゲート電極とを含むゲート構造と、
前記SOI基板の前記半導体層及び前記ゲート構造の上に形成され、コンタクトホールを有する層間絶縁膜と、
前記コンタクトホールに埋め込まれ、前記半導体層と電気的に接続されたコンタクトプラグと、を含み、
前記半導体層は、
互いに同じ導電型を有し、前記ゲート構造の両側にそれぞれ形成された第1及び第2の不純物拡散領域と、
前記第1及び第2の不純物拡散領域の間に且つ前記ゲート構造の直下に形成されたボディ領域と、を含み、
前記第1及び第2の不純物拡散領域が前記コンタクトプラグと電気的に接続されており、
前記半導体基材には、前記半導体基材をバックゲートとして機能させるバイアス電圧が印加され、
前記埋め込み絶縁膜の膜厚が10nmより大きく20nmより小さい範囲内であり、
前記下部絶縁膜及び前記上部絶縁膜はシリコン酸化膜であり、前記窒化膜はシリコン窒化膜であり、
前記半導体層は、素子分離領域を画定するメサ形状の凸部を有し、前記コンタクトホールの少なくとも1つにおいて、当該コンタクトホールの形成領域が前記素子分離領域と重複しており、当該コンタクトホールに埋め込まれる前記コンタクトプラグの底面が前記素子分離領域における前記シリコン窒化膜の表面と接触し、
前記窒化膜の膜厚は、5nmより大きく10nmより小さい範囲内である
ことを特徴とする半導体装置。 - 請求項1に記載の半導体装置であって、前記シリコン酸化膜は、熱酸化膜であることを特徴とする半導体装置。
- 請求項1又は2に記載の半導体装置であって、前記凸部の側壁下端が前記埋め込み絶縁膜の上面に達していることを特徴とする半導体装置。
- 請求項1又は2に記載の半導体装置であって、
前記半導体層の上面から前記埋め込み絶縁膜に至るまで深さ方向に延在する素子分離用絶縁膜をさらに備え、
前記コンタクトホールの形成領域は、前記素子分離用絶縁膜の形成領域と重複している
ことを特徴とする半導体装置。 - 請求項1から4のうちのいずれか1項に記載の半導体装置であって、前記半導体層と前記コンタクトプラグとの間に介在し前記半導体層を下地として形成されたエピタキシャル層をさらに備えることを特徴とする半導体装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2011020521A JP6076584B2 (ja) | 2011-02-02 | 2011-02-02 | 半導体装置及びその製造方法 |
US13/362,093 US9136386B2 (en) | 2011-02-02 | 2012-01-31 | SOI substrate, method of manufacturing the SOI substrate, semiconductor device, and method of manufacturing the semiconductor device |
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JP2011020521A JP6076584B2 (ja) | 2011-02-02 | 2011-02-02 | 半導体装置及びその製造方法 |
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JP2012160637A JP2012160637A (ja) | 2012-08-23 |
JP6076584B2 true JP6076584B2 (ja) | 2017-02-08 |
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JP2011020521A Active JP6076584B2 (ja) | 2011-02-02 | 2011-02-02 | 半導体装置及びその製造方法 |
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JP (1) | JP6076584B2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9859114B2 (en) * | 2012-02-08 | 2018-01-02 | Semiconductor Energy Laboratory Co., Ltd. | Oxide semiconductor device with an oxygen-controlling insulating layer |
JP2014057029A (ja) * | 2012-09-14 | 2014-03-27 | National Institute Of Advanced Industrial & Technology | 半導体基板及び半導体素子 |
CN105576018A (zh) * | 2014-10-16 | 2016-05-11 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构及其形成方法 |
WO2018063207A1 (en) * | 2016-09-29 | 2018-04-05 | Intel Corporation | Resistive random access memory cell |
US10263013B2 (en) | 2017-02-24 | 2019-04-16 | Globalfoundries Inc. | Method of forming an integrated circuit (IC) with hallow trench isolation (STI) regions and the resulting IC structure |
US10163679B1 (en) | 2017-05-31 | 2018-12-25 | Globalfoundries Inc. | Shallow trench isolation formation without planarization |
US10319827B2 (en) * | 2017-07-12 | 2019-06-11 | Globalfoundries Inc. | High voltage transistor using buried insulating layer as gate dielectric |
KR102704437B1 (ko) * | 2019-06-13 | 2024-09-09 | 삼성디스플레이 주식회사 | 박막트랜지스터 기판 및 이를 구비한 디스플레이 장치 |
CN118231414B (zh) * | 2024-05-24 | 2024-08-02 | 杭州积海半导体有限公司 | Pdsoi晶体管及其制造方法 |
Family Cites Families (14)
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JPH06140427A (ja) | 1992-10-26 | 1994-05-20 | Sony Corp | Soi構造を持つトランジスタおよびその製造方法 |
KR100291971B1 (ko) | 1993-10-26 | 2001-10-24 | 야마자끼 순페이 | 기판처리장치및방법과박막반도체디바이스제조방법 |
JPH07183234A (ja) * | 1993-12-24 | 1995-07-21 | Semiconductor Energy Lab Co Ltd | 多目的基板処理装置およびその動作方法および薄膜集積回路の作製方法 |
JP3401918B2 (ja) * | 1994-07-04 | 2003-04-28 | 株式会社デンソー | 半導体装置 |
JP2000223713A (ja) * | 1999-02-02 | 2000-08-11 | Oki Electric Ind Co Ltd | 半導体素子及びその製造方法 |
JP2002076336A (ja) * | 2000-09-01 | 2002-03-15 | Mitsubishi Electric Corp | 半導体装置およびsoi基板 |
JP2002124665A (ja) * | 2000-10-12 | 2002-04-26 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP2003152192A (ja) * | 2001-11-19 | 2003-05-23 | Sony Corp | 電界効果半導体装置及びその駆動方法 |
JP2003282878A (ja) * | 2002-03-20 | 2003-10-03 | Citizen Watch Co Ltd | 半導体装置およびその製造方法 |
JP2003289144A (ja) | 2002-03-28 | 2003-10-10 | Toshiba Corp | 半導体装置およびその製造方法 |
JP4575002B2 (ja) | 2004-02-27 | 2010-11-04 | Okiセミコンダクタ株式会社 | 半導体装置の製造方法 |
JP2007311747A (ja) * | 2006-04-18 | 2007-11-29 | Sharp Corp | 半導体装置の製造方法、半導体装置及び表示装置 |
US8163628B2 (en) * | 2007-11-01 | 2012-04-24 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor substrate |
JP2012099509A (ja) * | 2009-01-19 | 2012-05-24 | Hitachi Ltd | 半導体装置 |
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2011
- 2011-02-02 JP JP2011020521A patent/JP6076584B2/ja active Active
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Publication number | Publication date |
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US20120193714A1 (en) | 2012-08-02 |
JP2012160637A (ja) | 2012-08-23 |
US9136386B2 (en) | 2015-09-15 |
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