JP4959931B2 - 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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- JP4959931B2 JP4959931B2 JP2004285023A JP2004285023A JP4959931B2 JP 4959931 B2 JP4959931 B2 JP 4959931B2 JP 2004285023 A JP2004285023 A JP 2004285023A JP 2004285023 A JP2004285023 A JP 2004285023A JP 4959931 B2 JP4959931 B2 JP 4959931B2
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- Prior art keywords
- oxide film
- film
- diffusion layer
- layer
- 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]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/65—Lateral DMOS [LDMOS] FETs
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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
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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
- H10D62/10—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
-
- 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
- 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
- H10D64/66—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
- H10D64/663—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 the additional layers comprising a silicide layer contacting the layer of silicon, e.g. polycide gates
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/01—Manufacture or treatment
- H10W10/011—Manufacture or treatment of isolation regions comprising dielectric materials
- H10W10/012—Manufacture or treatment of isolation regions comprising dielectric materials using local oxidation of silicon [LOCOS]
- H10W10/0125—Manufacture or treatment of isolation regions comprising dielectric materials using local oxidation of silicon [LOCOS] comprising introducing electrical impurities in local oxidation regions, e.g. to alter LOCOS oxide growth characteristics
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/10—Isolation regions comprising dielectric materials
- H10W10/13—Isolation regions comprising dielectric materials formed using local oxidation of silicon [LOCOS], e.g. sealed interface localised oxidation [SILO] or side-wall mask isolation [SWAMI]
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Description
2 N型の埋込拡散層
4 N型のエピタキシャル層
8 シリコン酸化膜
9 ポリシリコン膜
10 シリコン窒化膜
11 N型の拡散層
12 フォトレジスト
13 開口部
15 ポリシリコン膜
16 タングステンシリコン膜
17 シリコン酸化膜
18 ゲート電極
21 P型の拡散層
Claims (3)
- 半導体層表面にゲート酸化膜、第1のシリコン膜及びシリコン窒化膜を、順次、堆積した絶縁層を形成し、該半導体層にフィールド酸化膜が形成される領域に第1の開口部が設けられるように、前記絶縁層を選択的に除去する工程と、
前記半導体層表面にレジストを堆積した後、前記絶縁層の段差を位置合わせマークとして用いて前記レジストを選択的に除去し、前記第1の開口部の一部が露出するように前記レジストに第2の開口部を形成し、前記レジストの第2の開口部をマスクとして前記半導体層に不純物を注入し、ドレイン拡散層を形成する工程と、
前記絶縁層の第1の開口部を用いて、前記半導体層に少なくともその一部が前記ドレイン拡散層上に位置するように前記半導体層にフィールド酸化膜を形成し、前記絶縁層の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た後、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で、前記フィールド酸化膜上方に少なくともその一端側が配置されるようにゲート電極を形成する工程と、
前記ゲート電極の他端側下方に一部が配置されるようにバックゲート拡散層を形成し、該バックゲート拡散層表面からソース拡散層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。 - 前記バックゲート拡散層を形成する工程では、前記ゲート電極の他端を用い、自己整合技術により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。
- 前記ゲート電極を形成する工程では、前記フィールド酸化膜の段差を位置合わせマークとして用いることを特徴とする請求項1または請求項2に記載の半導体装置の製造方法。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004285023A JP4959931B2 (ja) | 2004-09-29 | 2004-09-29 | 半導体装置の製造方法 |
| TW094131061A TWI278036B (en) | 2004-09-29 | 2005-09-09 | Method for making a semiconductor device |
| KR1020050085538A KR100668542B1 (ko) | 2004-09-29 | 2005-09-14 | 반도체 장치의 제조 방법 |
| US11/233,637 US7534665B2 (en) | 2004-09-29 | 2005-09-23 | Method of manufacturing semiconductor device |
| CNB2005101076371A CN100468658C (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 |
|---|---|---|---|
| JP2004285023A JP4959931B2 (ja) | 2004-09-29 | 2004-09-29 | 半導体装置の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006100578A JP2006100578A (ja) | 2006-04-13 |
| JP4959931B2 true JP4959931B2 (ja) | 2012-06-27 |
Family
ID=36099757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004285023A Expired - Fee Related JP4959931B2 (ja) | 2004-09-29 | 2004-09-29 | 半導体装置の製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7534665B2 (ja) |
| JP (1) | JP4959931B2 (ja) |
| KR (1) | KR100668542B1 (ja) |
| CN (1) | CN100468658C (ja) |
| TW (1) | TWI278036B (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5525736B2 (ja) * | 2009-02-18 | 2014-06-18 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | 半導体装置及びその製造方法 |
| TWI830077B (zh) | 2009-08-07 | 2024-01-21 | 日商半導體能源研究所股份有限公司 | 半導體裝置 |
| US8304830B2 (en) * | 2010-06-10 | 2012-11-06 | Macronix International Co., Ltd. | LDPMOS structure for enhancing breakdown voltage and specific on resistance in biCMOS-DMOS process |
| CN102456578B (zh) * | 2010-11-03 | 2013-09-04 | 凹凸电子(武汉)有限公司 | 高压晶体管及其制造方法 |
| US8629026B2 (en) * | 2010-11-12 | 2014-01-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | Source tip optimization for high voltage transistor devices |
| US8962397B2 (en) * | 2011-07-25 | 2015-02-24 | Microchip Technology Incorporated | Multiple well drain engineering for HV MOS devices |
| US10529812B1 (en) * | 2018-10-10 | 2020-01-07 | Texas Instruments Incorporated | Locos with sidewall spacer for transistors and other devices |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5055896A (en) * | 1988-12-15 | 1991-10-08 | Siliconix Incorporated | Self-aligned LDD lateral DMOS transistor with high-voltage interconnect capability |
| JPH05267336A (ja) * | 1992-03-18 | 1993-10-15 | Toshiba Corp | 位置合わせマークを用いた配線層の形成方法 |
| US5242841A (en) * | 1992-03-25 | 1993-09-07 | Texas Instruments Incorporated | Method of making LDMOS transistor with self-aligned source/backgate and photo-aligned gate |
| US5322804A (en) * | 1992-05-12 | 1994-06-21 | Harris Corporation | Integration of high voltage lateral MOS devices in low voltage CMOS architecture using CMOS-compatible process steps |
| US5559044A (en) * | 1992-09-21 | 1996-09-24 | Siliconix Incorporated | BiCDMOS process technology |
| US5548147A (en) * | 1994-04-08 | 1996-08-20 | Texas Instruments Incorporated | Extended drain resurf lateral DMOS devices |
| US5512495A (en) * | 1994-04-08 | 1996-04-30 | Texas Instruments Incorporated | Method of manufacturing extended drain resurf lateral DMOS devices |
| US5498554A (en) * | 1994-04-08 | 1996-03-12 | Texas Instruments Incorporated | Method of making extended drain resurf lateral DMOS devices |
| KR100267395B1 (ko) * | 1997-12-19 | 2000-10-16 | 김덕중 | 이중-확산 모스 트랜지스터 및 그 제조방법 |
| JP3762136B2 (ja) * | 1998-04-24 | 2006-04-05 | 株式会社東芝 | 半導体装置 |
| JP3191285B2 (ja) * | 1998-06-25 | 2001-07-23 | 日本電気株式会社 | 半導体装置及びその製造方法 |
| US6531355B2 (en) * | 1999-01-25 | 2003-03-11 | Texas Instruments Incorporated | LDMOS device with self-aligned RESURF region and method of fabrication |
| JP2003168687A (ja) * | 2001-11-30 | 2003-06-13 | Nec Electronics Corp | 目合わせパターンおよびその製造方法 |
| JP2003257814A (ja) * | 2002-02-28 | 2003-09-12 | Mitsubishi Electric Corp | 半導体装置のアライメントマーク形成方法 |
| JP4166031B2 (ja) * | 2002-04-17 | 2008-10-15 | 三洋電機株式会社 | Mos半導体装置およびその製造方法 |
| KR100867574B1 (ko) * | 2002-05-09 | 2008-11-10 | 페어차일드코리아반도체 주식회사 | 고전압 디바이스 및 그 제조방법 |
-
2004
- 2004-09-29 JP JP2004285023A patent/JP4959931B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-09 TW TW094131061A patent/TWI278036B/zh not_active IP Right Cessation
- 2005-09-14 KR KR1020050085538A patent/KR100668542B1/ko not_active Expired - Fee Related
- 2005-09-23 US US11/233,637 patent/US7534665B2/en active Active
- 2005-09-29 CN CNB2005101076371A patent/CN100468658C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006100578A (ja) | 2006-04-13 |
| CN100468658C (zh) | 2009-03-11 |
| TWI278036B (en) | 2007-04-01 |
| CN1767160A (zh) | 2006-05-03 |
| US7534665B2 (en) | 2009-05-19 |
| KR20060051276A (ko) | 2006-05-19 |
| TW200629409A (en) | 2006-08-16 |
| US20060068552A1 (en) | 2006-03-30 |
| KR100668542B1 (ko) | 2007-01-16 |
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