JP4804734B2 - 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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- JP4804734B2 JP4804734B2 JP2004285024A JP2004285024A JP4804734B2 JP 4804734 B2 JP4804734 B2 JP 4804734B2 JP 2004285024 A JP2004285024 A JP 2004285024A JP 2004285024 A JP2004285024 A JP 2004285024A JP 4804734 B2 JP4804734 B2 JP 4804734B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 55
- 239000004065 semiconductor Substances 0.000 title claims description 44
- 230000015572 biosynthetic process Effects 0.000 claims description 33
- 239000012535 impurity Substances 0.000 claims description 22
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 18
- 239000010703 silicon Substances 0.000 claims description 18
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 14
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 12
- 150000002500 ions Chemical class 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 40
- 229910052814 silicon oxide Inorganic materials 0.000 description 40
- 238000009792 diffusion process Methods 0.000 description 34
- 238000000034 method Methods 0.000 description 26
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 25
- 239000000758 substrate Substances 0.000 description 25
- 229920005591 polysilicon Polymers 0.000 description 24
- 230000015556 catabolic process Effects 0.000 description 20
- 238000000206 photolithography Methods 0.000 description 10
- 230000001133 acceleration Effects 0.000 description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 7
- 229910052796 boron Inorganic materials 0.000 description 7
- 238000000151 deposition Methods 0.000 description 5
- 238000005530 etching Methods 0.000 description 5
- WNUPENMBHHEARK-UHFFFAOYSA-N silicon tungsten Chemical compound [Si].[W] WNUPENMBHHEARK-UHFFFAOYSA-N 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 241000293849 Cordylanthus Species 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 229910016570 AlCu Inorganic materials 0.000 description 2
- 229910015900 BF3 Inorganic materials 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- -1 for example Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000005360 phosphosilicate glass Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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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]
- H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
- H10D30/0281—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of lateral DMOS [LDMOS] FETs
-
- 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
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/65—Lateral DMOS [LDMOS] FETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/149—Source or drain regions of field-effect devices
- H10D62/151—Source or drain regions of field-effect devices of IGFETs
- H10D62/156—Drain regions of DMOS transistors
- H10D62/157—Impurity concentrations or distributions
-
- 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
- H10D84/013—Manufacturing their source or drain regions, e.g. silicided source or drain regions
-
- 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
- H10D84/0135—Manufacturing their gate conductors
- H10D84/0142—Manufacturing their gate conductors the gate conductors having different shapes or dimensions
-
- 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
- H10D84/0151—Manufacturing their isolation regions
-
- 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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
- H10D62/83—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/514—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
- H10D64/516—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/62—Electrodes ohmically coupled to a semiconductor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/661—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
- H10D64/662—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures
Landscapes
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
5 N型のエピタキシャル層
9 第1の素子形成領域
10 第2の素子形成領域
11 シリコン酸化膜
12 シリコン酸化膜
13 ポリシリコン膜
14 シリコン窒化膜
18 LOCOS酸化膜
19 ポリシリコン膜
20 タングステンシリコン膜
21 シリコン酸化膜
22 ゲート電極
23 ゲート電極
24 P型の拡散層
25 P型の拡散層
Claims (3)
- 半導体層を準備し、前記半導体層に形成された分離領域により区画された複数の素子形成領域に、第1のMOSトランジスタと、前記第1のMOSトランジスタよりゲート酸化膜の膜厚の薄い第2のMOSトランジスタとを形成する半導体装置の製造方法において、
前記第1のMOSトランジスタの形成領域の前記半導体層表面に、第1の絶縁膜を選択的に形成した後、前記第1及び第2のMOSトランジスタの形成領域の前記半導体層表面に、第2の絶縁膜を形成する工程と、
前記第1のMOSトランジスタの形成領域に開口部を有する第1のゲート電極を形成し、その工程と同時に前記第2のMOSトランジスタの形成領域に開口部を有する第2のゲート電極を形成し、前記第1のゲート電極の開口部内のドレイン領域及びソース領域の形成領域上面の前記第1及び第2の絶縁膜の膜厚を薄くし、その工程と同時に前記第2のゲート電極の開口部内の第2の絶縁膜を除去する工程と、
前記第1のゲート電極上方から前記第1のゲート電極の開口部に不純物をイオン注入し、前記第1のMOSトランジスタのドレイン領域及びソース領域を形成する工程と、
前記半導体層の上面に絶縁層を形成し、前記ドレイン領域、前記ソース領域に通じ、前記第1のゲート電極の開口部より幅の狭いコンタクトを形成する工程と、
前記コンタクトを用いて、前記第1のMOSトランジスタのドレイン領域及びソース領域の内部に不純物を注入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。 - 前記第1のMOSトランジスタのドレイン領域およびソース領域を形成する工程において、前記第2のMOSトランジスタの第2のゲート電極の開口部に不純物を注入することで前記第2のMOSトランジスタのバックゲート領域を形成することを特徴とする請求項1に記載の半導体装置の製造方法。
- 前記第1及び第2のゲート電極を形成する工程では、前記第2の絶縁膜上面に、フィールド酸化膜が形成される領域に開口部が設けられるように第1のシリコン膜及びシリコン窒化膜を形成し、
前記第1のシリコン膜及びシリコン窒化膜をマスクとして用い前記半導体層にフィールド酸化膜を形成した後、前記シリコン窒化膜を除去し、前記第1のシリコン膜上面に第2のシリコン膜を堆積し、前記第1及び第2のシリコン膜を選択的に除去することを特徴とする請求項1に記載の半導体装置の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004285024A JP4804734B2 (ja) | 2004-09-29 | 2004-09-29 | 半導体装置の製造方法 |
TW094131263A TWI278059B (en) | 2004-09-29 | 2005-09-12 | Manufacturing method of semiconductor device |
KR1020050087712A KR100662688B1 (ko) | 2004-09-29 | 2005-09-21 | 반도체 장치의 제조 방법 |
US11/233,648 US7402474B2 (en) | 2004-09-29 | 2005-09-23 | Manufacturing method of semiconductor device |
CNB2005101076367A CN100345281C (zh) | 2004-09-29 | 2005-09-29 | 半导体装置的制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004285024A JP4804734B2 (ja) | 2004-09-29 | 2004-09-29 | 半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006100579A JP2006100579A (ja) | 2006-04-13 |
JP4804734B2 true JP4804734B2 (ja) | 2011-11-02 |
Family
ID=36099747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004285024A Expired - Fee Related JP4804734B2 (ja) | 2004-09-29 | 2004-09-29 | 半導体装置の製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7402474B2 (ja) |
JP (1) | JP4804734B2 (ja) |
KR (1) | KR100662688B1 (ja) |
CN (1) | CN100345281C (ja) |
TW (1) | TWI278059B (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7309636B2 (en) * | 2005-11-07 | 2007-12-18 | United Microelectronics Corp. | High-voltage metal-oxide-semiconductor device and method of manufacturing the same |
CN104037171B (zh) * | 2013-03-04 | 2016-09-28 | 旺宏电子股份有限公司 | 半导体元件及其制造方法与操作方法 |
US9349830B2 (en) * | 2013-03-05 | 2016-05-24 | Macronix International Co., Ltd. | Semiconductor element and manufacturing method and operating method of the same |
JP6326858B2 (ja) | 2014-02-24 | 2018-05-23 | セイコーエプソン株式会社 | 半導体装置およびその製造方法 |
CN109417050B (zh) * | 2016-06-30 | 2022-11-18 | 三菱电机株式会社 | 半导体装置的制造方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4897364A (en) * | 1989-02-27 | 1990-01-30 | Motorola, Inc. | Method for locos isolation using a framed oxidation mask and a polysilicon buffer layer |
US5039625A (en) * | 1990-04-27 | 1991-08-13 | Mcnc | Maximum areal density recessed oxide isolation (MADROX) process |
US5439842A (en) * | 1992-09-21 | 1995-08-08 | Siliconix Incorporated | Low temperature oxide layer over field implant mask |
US5977607A (en) * | 1994-09-12 | 1999-11-02 | Stmicroelectronics, Inc. | Method of forming isolated regions of oxide |
JP2833581B2 (ja) * | 1996-04-25 | 1998-12-09 | 日本電気株式会社 | 半導体装置の製造方法 |
JP3967440B2 (ja) * | 1997-12-09 | 2007-08-29 | 株式会社ルネサステクノロジ | 半導体集積回路装置の製造方法 |
JP4931267B2 (ja) * | 1998-01-29 | 2012-05-16 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP3338383B2 (ja) * | 1998-07-30 | 2002-10-28 | 三洋電機株式会社 | 半導体装置の製造方法 |
JP2002009168A (ja) * | 2000-06-19 | 2002-01-11 | Nec Corp | 半導体装置及びその製造方法 |
JP2002057330A (ja) * | 2000-08-10 | 2002-02-22 | Sanyo Electric Co Ltd | 絶縁ゲート型半導体装置及びその製造方法 |
JP2003092362A (ja) * | 2001-09-17 | 2003-03-28 | Sanyo Electric Co Ltd | 半導体装置の製造方法 |
JP2004039681A (ja) | 2002-06-28 | 2004-02-05 | Fuji Film Microdevices Co Ltd | 半導体装置およびその製造方法 |
JP4098208B2 (ja) | 2003-10-01 | 2008-06-11 | 東芝マイクロエレクトロニクス株式会社 | 半導体装置の製造方法 |
-
2004
- 2004-09-29 JP JP2004285024A patent/JP4804734B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-12 TW TW094131263A patent/TWI278059B/zh not_active IP Right Cessation
- 2005-09-21 KR KR1020050087712A patent/KR100662688B1/ko not_active IP Right Cessation
- 2005-09-23 US US11/233,648 patent/US7402474B2/en not_active Expired - Fee Related
- 2005-09-29 CN CNB2005101076367A patent/CN100345281C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TWI278059B (en) | 2007-04-01 |
US7402474B2 (en) | 2008-07-22 |
CN100345281C (zh) | 2007-10-24 |
KR20060051481A (ko) | 2006-05-19 |
TW200614413A (en) | 2006-05-01 |
CN1767172A (zh) | 2006-05-03 |
KR100662688B1 (ko) | 2007-01-02 |
US20060068538A1 (en) | 2006-03-30 |
JP2006100579A (ja) | 2006-04-13 |
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