JP4927340B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP4927340B2 JP4927340B2 JP2005049006A JP2005049006A JP4927340B2 JP 4927340 B2 JP4927340 B2 JP 4927340B2 JP 2005049006 A JP2005049006 A JP 2005049006A JP 2005049006 A JP2005049006 A JP 2005049006A JP 4927340 B2 JP4927340 B2 JP 4927340B2
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- 239000004065 semiconductor Substances 0.000 title claims description 63
- 238000009792 diffusion process Methods 0.000 claims description 241
- 230000015556 catabolic process Effects 0.000 claims description 46
- 239000000758 substrate Substances 0.000 claims description 44
- 239000012535 impurity Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 238000002955 isolation Methods 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000000206 photolithography Methods 0.000 description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 6
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 229910052787 antimony Inorganic materials 0.000 description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- WNUPENMBHHEARK-UHFFFAOYSA-N silicon tungsten Chemical compound [Si].[W] WNUPENMBHHEARK-UHFFFAOYSA-N 0.000 description 3
- 229910016570 AlCu Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000007257 malfunction Effects 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
- 239000005360 phosphosilicate glass Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7833—Field effect transistors with field effect produced by an insulated gate with lightly doped drain or source extension, e.g. LDD MOSFET's; DDD MOSFET's
- H01L29/7835—Field effect transistors with field effect produced by an insulated gate with lightly doped drain or source extension, e.g. LDD MOSFET's; DDD MOSFET's with asymmetrical source and drain regions, e.g. lateral high-voltage MISFETs with drain offset region, extended drain MISFETs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
- E04H12/085—Details of flanges for tubular masts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
- F16B7/182—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
- F16B7/187—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements with sliding nuts or other additional connecting members for joining profiles provided with grooves or channels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/10—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/107—Substrate region of field-effect devices
- H01L29/1075—Substrate region of field-effect devices of field-effect transistors
- H01L29/1079—Substrate region of field-effect devices of field-effect transistors with insulated gate
- H01L29/1083—Substrate region of field-effect devices of field-effect transistors with insulated gate with an inactive supplementary region, e.g. for preventing punch-through, improving capacity effect or leakage current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66659—Lateral single gate silicon transistors with asymmetry in the channel direction, e.g. lateral high-voltage MISFETs with drain offset region, extended drain MISFETs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7816—Lateral DMOS transistors, i.e. LDMOS transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/45—Ohmic electrodes
- H01L29/456—Ohmic electrodes on silicon
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Semiconductor Integrated Circuits (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
、接地状態に設定された半導体基板の電位が、ブレークダウン電流が流れることで、その電位が上昇する。つまり、ブレークダウン電流の流路として、半導体基板を利用するため、同一基板に形成されたその他の素子が、基板電位の上昇により誤動作することやラッチアップ現象が起こるという問題がある。
2 P型の単結晶シリコン基板
3 N型のエピタキシャル層
4 N型の埋込拡散層
5 P型の埋込拡散層
7 N型の拡散層
9 P型の拡散層
12 N型の拡散層
17 PN接合領域
18 PN接合領域
Claims (4)
- 一導電型の半導体基板と、
前記半導体基板上に形成されている逆導電型のエピタキシャル層と、
前記半導体基板と前記エピタキシャル層とに渡り形成され、ドレイン電圧が印加される逆導電型の埋込拡散層と、
前記逆導電型の埋込拡散層上に形成され、前記逆導電型の埋込拡散層との第1の接合領域を有し、バックゲート電位が印加される一導電型の埋込拡散層と、
前記エピタキシャル層に形成され、バックゲート領域として用いられている一導電型の第1の拡散層と、
前記一導電型の第1の拡散層に形成され、ソース領域として用いられている逆導電型の第1の拡散層と、
前記エピタキシャル層上に形成されているゲート酸化膜及びゲート電極と、
前記エピタキシャル層に形成され、ドレイン領域として用いられ、且つ前記一導電型の第1の拡散層との第2の接合領域を有している逆導電型の第2の拡散層と、
前記エピタキシャル層に形成され、前記エピタキシャル層上方で前記逆導電型の第2の拡散層と電気的に接続されている逆導電型の第3の拡散層とを有し、
前記第1の接合領域のブレークダウン電圧は、前記第2の接合領域のブレークダウン電圧よりも低いことを特徴とする半導体装置。 - 前記エピタキシャル層には、前記一導電型の埋込拡散層と連結した一導電型の第2の拡散層が形成されていることを特徴とする請求項1に記載の半導体装置。
- 前記一導電型の第2の拡散層には、前記一導電型の第1の拡散層及び前記逆導電型の第2の拡散層が形成されていることを特徴とする請求項2に記載の半導体装置。
- 前記一導電型の第2の拡散層には、前記一導電型の第1の拡散層と前記逆導電型の第2の拡散層とが交互に繰り返し配置されていることを特徴とする請求項3に記載の半導体装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005049006A JP4927340B2 (ja) | 2005-02-24 | 2005-02-24 | 半導体装置 |
TW095104164A TWI303881B (en) | 2005-02-24 | 2006-02-08 | Semiconductor device |
CNB2006100070071A CN100454544C (zh) | 2005-02-24 | 2006-02-14 | 半导体装置 |
KR1020060015570A KR100668545B1 (ko) | 2005-02-24 | 2006-02-17 | 반도체 장치 |
US11/361,173 US7279768B2 (en) | 2005-02-24 | 2006-02-23 | Semiconductor device for overvoltage protection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005049006A JP4927340B2 (ja) | 2005-02-24 | 2005-02-24 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006237223A JP2006237223A (ja) | 2006-09-07 |
JP4927340B2 true JP4927340B2 (ja) | 2012-05-09 |
Family
ID=36911803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005049006A Expired - Fee Related JP4927340B2 (ja) | 2005-02-24 | 2005-02-24 | 半導体装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7279768B2 (ja) |
JP (1) | JP4927340B2 (ja) |
KR (1) | KR100668545B1 (ja) |
CN (1) | CN100454544C (ja) |
TW (1) | TWI303881B (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5063865B2 (ja) * | 2005-03-30 | 2012-10-31 | オンセミコンダクター・トレーディング・リミテッド | 半導体装置 |
JP2008085187A (ja) * | 2006-09-28 | 2008-04-10 | Sanyo Electric Co Ltd | 半導体装置 |
US7932580B2 (en) * | 2006-12-21 | 2011-04-26 | Sanyo Electric Co., Ltd. | Semiconductor device and method of manufacturing the same |
US7700977B2 (en) * | 2007-06-21 | 2010-04-20 | Intersil Americas Inc. | Integrated circuit with a subsurface diode |
EP2232560A4 (en) * | 2008-01-14 | 2012-05-02 | Volterra Semiconductor Corp | POWER TRANSISTOR HAVING A PROTECTED CHANNEL |
JP2010010408A (ja) * | 2008-06-27 | 2010-01-14 | Sanyo Electric Co Ltd | 半導体装置及びその製造方法 |
JP2010153634A (ja) * | 2008-12-25 | 2010-07-08 | Sanyo Electric Co Ltd | 半導体装置及びその製造方法 |
US20100171175A1 (en) * | 2009-01-05 | 2010-07-08 | Fan bing-yao | Structure For High Voltage/High Current MOS Circuits |
US8546880B2 (en) | 2010-11-10 | 2013-10-01 | United Microelectronics Corp. | Anti punch-through leakage current metal-oxide-semiconductor transistor and manufacturing method thereof |
JP5715804B2 (ja) * | 2010-11-24 | 2015-05-13 | 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 |
JP5898473B2 (ja) * | 2011-11-28 | 2016-04-06 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US9236472B2 (en) | 2012-04-17 | 2016-01-12 | Freescale Semiconductor, Inc. | Semiconductor device with integrated breakdown protection |
JP6120586B2 (ja) | 2013-01-25 | 2017-04-26 | ローム株式会社 | nチャネル二重拡散MOS型トランジスタおよび半導体複合素子 |
JP6284336B2 (ja) * | 2013-10-17 | 2018-02-28 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US9093567B2 (en) * | 2013-11-05 | 2015-07-28 | Freescale Semiconductor, Inc. | Diodes with multiple junctions and fabrication methods therefor |
JP5983658B2 (ja) * | 2014-02-26 | 2016-09-06 | トヨタ自動車株式会社 | 半導体装置 |
US9559097B2 (en) * | 2014-10-06 | 2017-01-31 | Nxp Usa, Inc. | Semiconductor device with non-isolated power transistor with integrated diode protection |
US9911845B2 (en) * | 2015-12-10 | 2018-03-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | High voltage LDMOS transistor and methods for manufacturing the same |
JP6368393B2 (ja) * | 2017-02-22 | 2018-08-01 | キヤノン株式会社 | 記録素子基板、記録ヘッド及び記録装置 |
US20230044360A1 (en) * | 2021-08-04 | 2023-02-09 | Halo Microelectronics International | Latch-up Free High Voltage Device |
CN114188402A (zh) * | 2022-02-14 | 2022-03-15 | 北京芯可鉴科技有限公司 | 一种ldmosfet、制备方法及芯片、电路 |
Family Cites Families (9)
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WO1997004488A2 (en) | 1995-07-19 | 1997-02-06 | Philips Electronics N.V. | Semiconductor device of hv-ldmost type |
JP2002026314A (ja) * | 2000-07-06 | 2002-01-25 | Toshiba Corp | 半導体装置 |
US6528850B1 (en) * | 2000-05-03 | 2003-03-04 | Linear Technology Corporation | High voltage MOS transistor with up-retro well |
JP4526179B2 (ja) * | 2000-11-21 | 2010-08-18 | 三菱電機株式会社 | 半導体装置 |
JP4065104B2 (ja) * | 2000-12-25 | 2008-03-19 | 三洋電機株式会社 | 半導体集積回路装置およびその製造方法 |
US6475870B1 (en) * | 2001-07-23 | 2002-11-05 | Taiwan Semiconductor Manufacturing Company | P-type LDMOS device with buried layer to solve punch-through problems and process for its manufacture |
KR100859701B1 (ko) * | 2002-02-23 | 2008-09-23 | 페어차일드코리아반도체 주식회사 | 고전압 수평형 디모스 트랜지스터 및 그 제조 방법 |
TWI248136B (en) * | 2002-03-19 | 2006-01-21 | Infineon Technologies Ag | Method for fabricating a transistor arrangement having trench transistor cells having a field electrode |
US6882023B2 (en) * | 2002-10-31 | 2005-04-19 | Motorola, Inc. | Floating resurf LDMOSFET and method of manufacturing same |
-
2005
- 2005-02-24 JP JP2005049006A patent/JP4927340B2/ja not_active Expired - Fee Related
-
2006
- 2006-02-08 TW TW095104164A patent/TWI303881B/zh not_active IP Right Cessation
- 2006-02-14 CN CNB2006100070071A patent/CN100454544C/zh not_active Expired - Fee Related
- 2006-02-17 KR KR1020060015570A patent/KR100668545B1/ko not_active IP Right Cessation
- 2006-02-23 US US11/361,173 patent/US7279768B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR100668545B1 (ko) | 2007-01-16 |
TWI303881B (en) | 2008-12-01 |
CN1828898A (zh) | 2006-09-06 |
US20060186507A1 (en) | 2006-08-24 |
TW200633223A (en) | 2006-09-16 |
KR20060094469A (ko) | 2006-08-29 |
US7279768B2 (en) | 2007-10-09 |
CN100454544C (zh) | 2009-01-21 |
JP2006237223A (ja) | 2006-09-07 |
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