JP5526742B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP5526742B2 JP5526742B2 JP2009275626A JP2009275626A JP5526742B2 JP 5526742 B2 JP5526742 B2 JP 5526742B2 JP 2009275626 A JP2009275626 A JP 2009275626A JP 2009275626 A JP2009275626 A JP 2009275626A JP 5526742 B2 JP5526742 B2 JP 5526742B2
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- Prior art keywords
- voltage transistor
- formation region
- insulating film
- transistor formation
- region
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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
- H01L21/822—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 a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823857—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate insulating layers, e.g. different gate insulating layer thicknesses, particular gate insulator materials or particular gate insulator implants
-
- 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
- H01L21/822—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 a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823878—Complementary field-effect transistors, e.g. CMOS isolation region manufacturing related aspects, e.g. to avoid interaction of isolation region with adjacent structure
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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)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
上記実施形態に限らず種々の変形が可能である。
12…素子分離膜
14…犠牲酸化膜
16,20,24…Pウェル
18,22,26…Nウェル
28,32…シリコン酸化膜
30,34,46…フォトレジスト膜
36,38,40…ゲート絶縁膜
42…多結晶シリコン膜
44…BARC膜
48…ゲート電極
50,56…N型不純物拡散領域
52,58…P型不純物拡散領域
54…サイドウォール絶縁膜
60…N型ソース/ドレイン領域
62…P型ソース/ドレイン領域
Claims (6)
- 半導体基板の表面を酸化し、前記半導体基板の中電圧トランジスタ形成領域、N型低電圧トランジスタ形成領域及びP型低電圧トランジスタ形成領域に、第1の絶縁膜を形成する工程と、
前記中電圧トランジスタ形成領域及び前記N型低電圧トランジスタ形成領域に形成された前記第1の絶縁膜を除去する工程と、
前記半導体基板の前記表面を酸化し、前記中電圧トランジスタ形成領域及び前記N型低電圧トランジスタ形成領域に第2の絶縁膜を形成するとともに、前記第1の絶縁膜が形成された前記P型低電圧トランジスタ形成領域を更に酸化する工程と、
前記N型低電圧トランジスタ形成領域に形成された前記第2の絶縁膜及び前記P型低電圧トランジスタ形成領域に形成された前記第1の絶縁膜を除去する工程と、
前記半導体基板の前記表面を酸化し、前記N型低電圧トランジスタ形成領域及び前記P型低電圧トランジスタ形成領域に第1のゲート絶縁膜を形成するとともに、前記第2の絶縁膜が形成された前記中電圧トランジスタ形成領域を更に酸化し、前記中電圧トランジスタ形成領域に前記第1のゲート絶縁膜よりも厚い第2のゲート絶縁膜を形成する工程と
を有することを特徴とする半導体装置の製造方法。 - 請求項1記載の半導体装置の製造方法において、
前記第1の絶縁膜を形成する工程の前に、前記N型低電圧トランジスタ形成領域にN型の第1の不純物を導入する工程と、前記P型低電圧トランジスタ形成領域にP型の第2の不純物を導入する工程とを更に有する
ことを特徴とする半導体装置の製造方法。 - 請求項2記載の半導体装置の製造方法において、
前記第2の不純物を導入する工程では、1×1013cm−2以上の量の前記第2の不純物を導入する
ことを特徴とする半導体装置の製造方法。 - 請求項1乃至3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、
前記第1の不純物を導入する工程及び前記第2の不純物を導入する工程の前に、前記半導体基板に、前記中電圧トランジスタ形成領域、前記N型低電圧トランジスタ形成領域及び前記P型低電圧トランジスタ形成領域を画定する素子分離膜を形成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、
前記第1のゲート絶縁膜及び前記第2のゲート絶縁膜を形成する工程の後、前記第1のゲート絶縁膜上及び前記第2のゲート絶縁膜上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、前記N型低電圧トランジスタ形成領域の前記第1のゲート絶縁膜上に第1のゲート電極を、前記P型低電圧トランジスタ形成領域の前記第1のゲート絶縁膜上に第2のゲート電極を、前記中電圧トランジスタ形成領域の前記第2のゲート絶縁膜上に第3のゲート電極を、それぞれ形成する工程とを更に有する
ことを特徴とする半導体装置の製造方法。 - 請求項1乃至5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、
前記第1の絶縁膜を形成する工程では、前記半導体基板の高電圧トランジスタ形成領域に、前記第1の絶縁膜を更に形成し、
前記第2の絶縁膜を形成する工程では、前記第1の絶縁膜が形成された前記高電圧トランジスタ形成領域を更に酸化し、
前記第1のゲート絶縁膜及び前記第2のゲート絶縁膜を形成する工程では、前記第1の絶縁膜が形成された前記高電圧トランジスタ形成領域を更に酸化し、前記高電圧トランジスタ形成領域に、前記第2のゲート絶縁膜よりも厚い第3のゲート絶縁膜を形成する
ことを特徴とする半導体装置の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009275626A JP5526742B2 (ja) | 2009-12-03 | 2009-12-03 | 半導体装置の製造方法 |
US12/957,627 US8435861B2 (en) | 2009-12-03 | 2010-12-01 | Method of manufacturing a semiconductor device having different kinds of insulating films with different thicknesses |
Applications Claiming Priority (1)
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JP2009275626A JP5526742B2 (ja) | 2009-12-03 | 2009-12-03 | 半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2011119470A JP2011119470A (ja) | 2011-06-16 |
JP5526742B2 true JP5526742B2 (ja) | 2014-06-18 |
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JP2009275626A Expired - Fee Related JP5526742B2 (ja) | 2009-12-03 | 2009-12-03 | 半導体装置の製造方法 |
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US (1) | US8435861B2 (ja) |
JP (1) | JP5526742B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5956809B2 (ja) | 2012-04-09 | 2016-07-27 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
US9142566B2 (en) | 2013-09-09 | 2015-09-22 | Freescale Semiconductor, Inc. | Method of forming different voltage devices with high-K metal gate |
US10050033B1 (en) | 2017-09-13 | 2018-08-14 | Taiwan Semiconductor Manufacturing Co., Ltd. | High voltage integration for HKMG technology |
US11289598B2 (en) * | 2020-04-15 | 2022-03-29 | Globalfoundries Dresden Module One Limited Liability Company & Co. Kg | Co-integrated high voltage (HV) and medium voltage (MV) field effect transistors |
US11495660B2 (en) | 2020-11-06 | 2022-11-08 | Globalfoundries Dresden Module One Limited Liability Company & Co. Kg | Co-integrated high voltage (HV) and medium voltage (MV) field effect transistors with defect prevention structures |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3101515B2 (ja) | 1995-01-20 | 2000-10-23 | 三洋電機株式会社 | Cmos半導体装置の製造方法 |
JPH09181193A (ja) | 1995-12-22 | 1997-07-11 | Sony Corp | 半導体装置の製造方法 |
US6764959B2 (en) * | 2001-08-02 | 2004-07-20 | Taiwan Semiconductor Manufacturing Co., Ltd | Thermal compensation method for forming semiconductor integrated circuit microelectronic fabrication |
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2009
- 2009-12-03 JP JP2009275626A patent/JP5526742B2/ja not_active Expired - Fee Related
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2010
- 2010-12-01 US US12/957,627 patent/US8435861B2/en active Active
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Publication number | Publication date |
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US20110136306A1 (en) | 2011-06-09 |
US8435861B2 (en) | 2013-05-07 |
JP2011119470A (ja) | 2011-06-16 |
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