JP5821174B2 - 半導体装置の製造方法 - Google Patents
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- H10D62/357—Substrate regions of field-effect devices of FETs
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- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
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- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0172—Manufacturing their gate conductors
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- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
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- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
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- 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
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- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
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- 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
- H01L21/26513—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors of electrically active species
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- 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]
- H10D30/0212—Manufacture or treatment of FETs having insulated gates [IGFET] using self-aligned silicidation
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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]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0223—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate
- H10D30/0227—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate having both lightly-doped source and drain extensions and source and drain regions self-aligned to the sides of the gate, e.g. lightly-doped drain [LDD] MOSFET or double-diffused drain [DDD] MOSFET
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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]
- H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs
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- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Element Separation (AREA)
Description
上記実施形態に限らず種々の変形が可能である。
12…溝
14,52,60,64…シリコン酸化膜
16…低電圧NMOSトランジスタ形成領域
18,26,34,42,50,62…フォトレジスト膜
20,36…Pウェル
22…P型高濃度不純物層
24…低電圧PMOSトランジスタ形成領域
28,44…Nウェル
30…N型高濃度不純物層
32…高電圧NMOSトランジスタ形成領域
38,70,74…P型不純物層
40…高電圧PMOSトランジスタ形成領域
46,68,72…N型不純物層
48…シリコン層
54…シリコン窒化膜
56…素子分離溝
58a…シリコン酸化膜
58…素子分離絶縁膜
60a,64a…ゲート絶縁膜
66a…ポリシリコン膜
66a…ポリシリコン膜
66b…残渣
66…ゲート電極
76…サイドウォールスペーサ
78…N型不純物層(ソース/ドレイン領域)
80…P型不純物層(ソース/ドレイン領域)
84…金属シリサイド膜
86…層間絶縁膜
88…コンタクトプラグ
90…配線
92…アモルファス層
94…結晶欠陥
100…シリコン基板
102…ソース領域
104…ドレイン領域
106…チャネル領域
108…高濃度不純物層
110…シリコン層
112…ゲート絶縁膜
114…ゲート電極
Claims (5)
- 半導体基板に、アライメントマークとなる溝を形成する工程と、
前記溝が形成された前記半導体基板上に、前記アライメントマークに位置合わせして、素子分離領域となる領域を露出し、素子領域となる領域を覆うマスク膜を形成する工程と、
前記マスク膜をマスクとして前記半導体基板を異方性エッチングし、前記半導体基板の前記素子分離領域となる領域に、素子分離溝を形成する工程と、
前記素子分離溝を絶縁膜で埋め込み、素子分離絶縁膜を形成する工程とを有し、
前記溝を形成する工程では、前記マスク膜の厚さに相当する深さよりも浅い溝を形成し、
前記溝を形成する工程の後、前記マスク膜を形成する工程の前に、前記半導体基板上にエピタキシャル半導体層を形成する工程を更に有し、
前記エピタキシャル半導体層の膜厚は前記溝の幅よりも小さく、前記エピタキシャル半導体層の表面に前記溝の深さと同じ段差が形成されている
ことを特徴とする半導体装置の製造方法。 - 半導体基板に、アライメントマークとなる溝を形成する工程と、
前記溝が形成された前記半導体基板上に、前記アライメントマークに位置合わせして、素子分離領域となる領域を露出し、素子領域となる領域を覆うマスク膜を形成する工程と、
前記マスク膜をマスクとして前記半導体基板を異方性エッチングし、前記半導体基板の前記素子分離領域となる領域に、素子分離溝を形成する工程と、
前記素子分離溝を絶縁膜で埋め込み、素子分離絶縁膜を形成する工程と、
前記素子分離絶縁膜を形成する工程後に、導電膜を形成する工程と、
前記導電膜をパターニングして配線を形成する工程とを有し、
前記溝を形成する工程では、前記マスク膜の厚さに相当する深さよりも浅い溝を形成し、
前記配線を形成する工程では、前記溝が形成された領域上の全体に前記導電膜が残存するように、前記導電膜をパターニングする
ことを特徴とする半導体装置の製造方法。 - 請求項2記載の半導体装置の製造方法において、
前記配線は、ゲート電極である
ことを特徴とする半導体装置の製造方法。 - 半導体基板に、アライメントマークとなる溝を形成する工程と、
前記溝が形成された前記半導体基板上に、前記アライメントマークに位置合わせして、素子分離領域となる領域を露出し、素子領域となる領域を覆うマスク膜を形成する工程と、
前記マスク膜をマスクとして前記半導体基板を異方性エッチングし、前記半導体基板の前記素子分離領域となる領域に、素子分離溝を形成する工程と、
前記素子分離溝を絶縁膜で埋め込み、素子分離絶縁膜を形成する工程とを有し、
前記溝を形成する工程では、前記マスク膜の厚さに相当する深さよりも浅い溝を形成し、
前記溝を形成する工程の後、前記マスク膜を形成する工程の前に、前記アライメントマークに位置合わせして、前記半導体基板の所定の領域に所定の不純物をイオン注入する工程を更に有する
ことを特徴とする半導体装置の製造方法。 - 請求項1乃至4のいずれか1項に記載の半導体装置の製造方法において、
前記マスク膜を形成する工程は、
前記溝が形成された前記半導体基板上に、前記マスク膜を形成する工程と、
前記マスク膜上に、前記アライメントマークに位置合わせして、前記素子分離領域を露出し、前記素子領域を覆うフォトレジスト膜を形成する工程と、
前記フォトレジスト膜をマスクとして前記マスク膜をエッチングし、前記フォトレジスト膜のパターンを前記マスク膜に転写する工程とを有する
ことを特徴とする半導体装置の製造方法。
Priority Applications (2)
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JP2010220773A JP5821174B2 (ja) | 2010-09-30 | 2010-09-30 | 半導体装置の製造方法 |
US13/177,337 US8592278B2 (en) | 2010-09-30 | 2011-07-06 | Method of manufacturing semiconductor device |
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JP2010220773A JP5821174B2 (ja) | 2010-09-30 | 2010-09-30 | 半導体装置の製造方法 |
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JP2012079742A JP2012079742A (ja) | 2012-04-19 |
JP5821174B2 true JP5821174B2 (ja) | 2015-11-24 |
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JP2010220773A Expired - Fee Related JP5821174B2 (ja) | 2010-09-30 | 2010-09-30 | 半導体装置の製造方法 |
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Families Citing this family (5)
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JP6083150B2 (ja) * | 2012-08-21 | 2017-02-22 | 富士通セミコンダクター株式会社 | 半導体装置の製造方法 |
JP6024354B2 (ja) * | 2012-10-02 | 2016-11-16 | 富士通セミコンダクター株式会社 | 半導体集積回路装置及びその製造方法 |
US9711535B2 (en) * | 2015-03-13 | 2017-07-18 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of forming FinFET channel |
CN111312591B (zh) * | 2020-02-25 | 2023-06-09 | 上海华力集成电路制造有限公司 | 防止在套刻对准标记上形成残留物的方法 |
CN113611596B (zh) * | 2020-05-25 | 2022-10-04 | 联芯集成电路制造(厦门)有限公司 | 形成对准标记的方法 |
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JP2000243958A (ja) | 1999-02-24 | 2000-09-08 | Toshiba Corp | 半導体装置およびその製造方法 |
US6426279B1 (en) | 1999-08-18 | 2002-07-30 | Advanced Micro Devices, Inc. | Epitaxial delta doping for retrograde channel profile |
JP4764999B2 (ja) * | 2004-07-09 | 2011-09-07 | 富士電機株式会社 | 半導体素子の製造方法 |
JP2006049684A (ja) * | 2004-08-06 | 2006-02-16 | Sanyo Electric Co Ltd | 半導体装置の製造方法 |
KR100630768B1 (ko) * | 2005-09-26 | 2006-10-04 | 삼성전자주식회사 | 캡핑층을 구비한 얼라인먼트 키 형성방법 및 이를 이용한반도체 장치의 제조방법 |
JP2010161114A (ja) | 2009-01-06 | 2010-07-22 | Shin Etsu Handotai Co Ltd | 半導体素子の製造方法 |
JP5630185B2 (ja) * | 2010-09-30 | 2014-11-26 | 富士通セミコンダクター株式会社 | 半導体装置及びその製造方法 |
JP5578001B2 (ja) * | 2010-09-30 | 2014-08-27 | 富士通セミコンダクター株式会社 | 半導体装置の製造方法 |
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US20120083082A1 (en) | 2012-04-05 |
JP2012079742A (ja) | 2012-04-19 |
US8592278B2 (en) | 2013-11-26 |
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