JP4455167B2 - マルチゲート酸化膜を有する半導体装置の製造方法 - Google Patents
マルチゲート酸化膜を有する半導体装置の製造方法 Download PDFInfo
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- JP4455167B2 JP4455167B2 JP2004161083A JP2004161083A JP4455167B2 JP 4455167 B2 JP4455167 B2 JP 4455167B2 JP 2004161083 A JP2004161083 A JP 2004161083A JP 2004161083 A JP2004161083 A JP 2004161083A JP 4455167 B2 JP4455167 B2 JP 4455167B2
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- Prior art keywords
- oxide film
- gate
- voltage transistor
- semiconductor device
- manufacturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000004065 semiconductor Substances 0.000 title claims description 79
- 238000004519 manufacturing process Methods 0.000 title claims description 54
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 46
- 229920005591 polysilicon Polymers 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 37
- 239000000758 substrate Substances 0.000 claims description 22
- 230000003647 oxidation Effects 0.000 claims description 12
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 description 22
- 150000004767 nitrides Chemical class 0.000 description 21
- 238000007796 conventional method Methods 0.000 description 18
- 238000001312 dry etching Methods 0.000 description 12
- 239000012535 impurity Substances 0.000 description 10
- 238000000059 patterning Methods 0.000 description 10
- 229920002120 photoresistant polymer Polymers 0.000 description 10
- 238000001039 wet etching Methods 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 7
- 238000002955 isolation Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- H01L21/76202—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO
- H01L21/76221—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO with a plurality of successive local oxidation steps
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- 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
- H10D84/0144—Manufacturing their gate insulating layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- 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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- 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)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
11 フィールド酸化膜
12 ダミー酸化膜
13 窒化膜
14、18、20、23、24、27、28a、28b パターン
15 酸化膜
16、21 ゲート酸化膜
17、22 ポリシリコン
19 第1ゲート電極
25、29 第2ゲート電極
26 ゲート電極
30 半導体基板
31 フィールド酸化膜
32 ダミー酸化膜
33 窒化膜
34、39、40 パターン
35、37 ゲート酸化膜
36 酸化膜
38 ポリシリコン
41、42 ゲート電極
50 半導体基板
51 フィールド酸化膜
52 ダミー酸化膜
53、55、59、61、64 パターン
54 窒化膜
56、62 ゲート酸化膜
57 酸化膜
58、63 ポリシリコン
60、65 ゲート電極
66 残留ポリシリコン
Claims (2)
- (A)半導体基板上の第1領域に、選択酸化法により第1酸化膜を形成する工程と、
(B)前記第1酸化膜上に、第1ゲート電極を形成する工程と、
(C)前記半導体基板及び前記第1ゲート電極上に、第2酸化膜を形成する工程と、
(D)前記第2酸化膜上に、ポリシリコンを形成する工程と、
(E)前記第1領域の前記ポリシリコン上、及び前記第1領域と異なる第2領域の前記ポリシリコン上に、それぞれ第1レジストパターン及び第2レジストパターンを形成する
工程と、
(F)前記第1レジストパターンをマスクとして前記ポリシリコンを除去し、前記第1領域に、前記第2酸化膜を介して前記第1ゲート電極を覆うように第2ゲート電極を形成する工程と、
(G)前記(F)形成する工程と同時に、前記第2レジストパターンをマスクとして前記ポリシリコンを除去し、前記第2領域の前記第2酸化膜上に、第3ゲート電極を形成する工程と
を具備し、
前記(E)形成する工程において、前記第1レジストパターンは、開口部を有し、前記第1領域における前記ポリシリコンの一部を覆うように形成され、
前記(F)形成する工程において、前記第1領域の前記開口部に対応する位置の前記ポリシリコンが除去される
マルチゲート酸化膜を有する半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法であって、
前記第1酸化膜の膜厚は、前記第2酸化膜の膜厚よりも大きい
マルチゲート酸化膜を有する半導体装置の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004161083A JP4455167B2 (ja) | 2004-05-31 | 2004-05-31 | マルチゲート酸化膜を有する半導体装置の製造方法 |
US11/138,481 US7129137B2 (en) | 2004-05-31 | 2005-05-27 | Method of manufacturing semiconductor device having multiple gate oxide films |
CNB2005100747504A CN100388427C (zh) | 2004-05-31 | 2005-05-31 | 用于制造具有多栅氧化膜的半导体器件的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004161083A JP4455167B2 (ja) | 2004-05-31 | 2004-05-31 | マルチゲート酸化膜を有する半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005340725A JP2005340725A (ja) | 2005-12-08 |
JP4455167B2 true JP4455167B2 (ja) | 2010-04-21 |
Family
ID=35425906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004161083A Expired - Fee Related JP4455167B2 (ja) | 2004-05-31 | 2004-05-31 | マルチゲート酸化膜を有する半導体装置の製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7129137B2 (ja) |
JP (1) | JP4455167B2 (ja) |
CN (1) | CN100388427C (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100628642B1 (ko) * | 2004-12-31 | 2006-09-26 | 동부일렉트로닉스 주식회사 | 고전압 모스 트랜지스터 및 고전압 모스 트랜지스터의형성방법 |
KR100698086B1 (ko) * | 2005-12-29 | 2007-03-23 | 동부일렉트로닉스 주식회사 | 반도체소자의 제조방법 |
US8193616B2 (en) * | 2009-06-29 | 2012-06-05 | Kabushiki Kaisha Toshiba | Semiconductor device on direct silicon bonded substrate with different layer thickness |
US9640228B2 (en) * | 2014-12-12 | 2017-05-02 | Globalfoundries Inc. | CMOS device with reading circuit |
DE112016007022B4 (de) * | 2016-06-30 | 2022-01-27 | Mitsubishi Electric Corporation | Verfahren zum herstellen einer halbleitervorrichtung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06196639A (ja) | 1992-12-25 | 1994-07-15 | Toshiba Corp | マルチゲート半導体装置の製造方法 |
EP0993036A1 (en) * | 1998-10-09 | 2000-04-12 | STMicroelectronics S.r.l. | Method of manufacturing an integrated semiconductor device comprising a floating gate field-effect transistor and a logic-field effect transistor, and corresponding device |
EP1139419A1 (en) * | 2000-03-29 | 2001-10-04 | STMicroelectronics S.r.l. | Method of manufacturing an electrically programmable, non-volatile memory with logic circuitry |
JP3719190B2 (ja) * | 2001-10-19 | 2005-11-24 | セイコーエプソン株式会社 | 半導体装置の製造方法 |
JP2003258118A (ja) * | 2002-03-06 | 2003-09-12 | Seiko Epson Corp | 半導体装置 |
-
2004
- 2004-05-31 JP JP2004161083A patent/JP4455167B2/ja not_active Expired - Fee Related
-
2005
- 2005-05-27 US US11/138,481 patent/US7129137B2/en not_active Expired - Fee Related
- 2005-05-31 CN CNB2005100747504A patent/CN100388427C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1705086A (zh) | 2005-12-07 |
CN100388427C (zh) | 2008-05-14 |
JP2005340725A (ja) | 2005-12-08 |
US20050266644A1 (en) | 2005-12-01 |
US7129137B2 (en) | 2006-10-31 |
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