JP6225027B2 - ゲートチャージが低減された横方向に拡散されたmosトランジスタ - Google Patents
ゲートチャージが低減された横方向に拡散されたmosトランジスタ Download PDFInfo
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- 239000012212 insulator Substances 0.000 claims description 30
- 239000007943 implant Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 25
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 150000004706 metal oxides Chemical class 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 description 24
- 239000000758 substrate Substances 0.000 description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000002019 doping agent Substances 0.000 description 12
- 229910052581 Si3N4 Inorganic materials 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 229920002120 photoresistant polymer Polymers 0.000 description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 9
- 238000005468 ion implantation Methods 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229910000449 hafnium oxide Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910004129 HfSiO Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- GEIAQOFPUVMAGM-UHFFFAOYSA-N Oxozirconium Chemical compound [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910006501 ZrSiO Inorganic materials 0.000 description 1
- CEPICIBPGDWCRU-UHFFFAOYSA-N [Si].[Hf] Chemical compound [Si].[Hf] CEPICIBPGDWCRU-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- UVGLBOPDEUYYCS-UHFFFAOYSA-N silicon zirconium Chemical compound [Si].[Zr] UVGLBOPDEUYYCS-UHFFFAOYSA-N 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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- 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
-
- 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
- H01L29/0603—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0642—Isolation within the component, i.e. internal isolation
- H01L29/0649—Dielectric regions, e.g. SiO2 regions, air gaps
- H01L29/0653—Dielectric regions, e.g. SiO2 regions, air gaps adjoining the input or output region of a field-effect device, e.g. the source or drain region
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- 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
- H01L29/402—Field plates
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- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42372—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out
- H01L29/4238—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out characterised by the surface lay-out
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- Microelectronics & Electronic Packaging (AREA)
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- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
Claims (9)
- 金属酸化物半導体(MOS)トランジスタのチャネル領域に近接するドレイン領域内にドリフト領域を備える前記MOSトランジスタを含む集積回路であって、
前記MOSトランジスタが、
前記チャネル領域と前記ドレイン領域内のドレインコンタクト領域との間の前記ドレイン領域内のドレイン絶縁体であって、前記ドレイン領域が前記ドレイン絶縁体の下に延在する、前記ドレイン絶縁体と、
前記チャネル領域と前記ドレイン絶縁体との間の前記ドレイン領域内のドリフト領域と、
ゲートと、
を含み、
前記ゲートが、
前記チャネル領域の上の第1のゲートセクションであって、前記ドリフト領域の少なくとも半分が前記ゲートによって覆われないような寸法とされる、前記第1のゲートセクションと、
前記ドレイン絶縁体の上の第2のゲートセクションであって、前記ドリフト領域に重ならない、前記第2のゲートセクションと、
前記第1のゲートセクションと前記第2のゲートセクションとの間のインプラントブロッキングセクションであって、前記第1のゲートセクションと前記第2のゲートセクションとの横方向表面上のゲート側壁材料により形成される、前記インプラントブロッキングセクションと、
を含む、集積回路。 - 請求項1の集積回路であって、
前記MOSトランジスタがnチャネルである、集積回路。 - 請求項1の集積回路であって、
前記MOSトランジスタがpチャネルである、集積回路。 - 請求項1の集積回路であって、
前記第1のゲートセクションが、前記ドリフト領域の上の如何なるゲート材料によっても前記第2のゲートセクションに接続されない、集積回路。 - MOSトランジスタのチャネル領域に近接するドレイン領域を備える前記MOSトランジスタを含む集積回路であって、
前記MOSトランジスタが、
前記チャネル領域と前記ドレイン領域内のドレインコンタクト領域との間の前記ドレイン領域内のドレイン絶縁体であって、前記ドレイン領域が前記ドレイン絶縁体の下に延在する、前記ドレイン絶縁体と、
前記チャネル領域と前記ドレイン絶縁体との間の前記ドレイン領域内のドリフト領域と、
ゲートと、
を含み、
前記ゲートが、
前記チャネル領域の上であり且つ前記ドレイン領域に重なる第1のゲートセクションであって、前記ドリフト領域の少なくとも半分が前記ゲートにより覆われないような寸法とされる、前記第1のゲートセクションと、
前記ドレイン絶縁体の上の第2のゲートセクションと、
各々が前記第1及び第2のゲートセクションを接続する2つ又はそれ以上のゲート接続要素であって、前記第1のゲートセクションと前記第2のゲートセクションと同じ材料で形成される、前記ゲート接続要素と、
前記第1のゲートセクションと前記第2のゲートセクションとの間のインプラントブロックセクションであって、前記第1のゲートセクションと前記第2のゲートセクションとの横方向表面上のゲート側壁材料で形成される、前記インプラントブロックセクションと、
を含む、集積回路。 - 請求項5の集積回路であって、
各ゲート接続要素が、すぐ隣の近接するゲート接続要素から2ミクロンより小さい距離で離されている、集積回路。 - 請求項5の集積回路であって、
前記MOSトランジスタがnチャネルである、集積回路。 - 請求項5に記載の集積回路であって、
前記MOSトランジスタがpチャネルである、集積回路。 - 請求項5の集積回路であって、
前記第2のゲートセクションが前記ドリフト領域に重ならない、集積回路。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40664510P | 2010-10-26 | 2010-10-26 | |
US61/406,645 | 2010-10-26 | ||
US13/281,274 | 2011-10-25 | ||
US13/281,274 US9362398B2 (en) | 2010-10-26 | 2011-10-25 | Low resistance LDMOS with reduced gate charge |
PCT/US2011/057881 WO2012058307A2 (en) | 2010-10-26 | 2011-10-26 | Laterally diffused mos transistor with reduced gate charge |
Publications (2)
Publication Number | Publication Date |
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JP2013545305A JP2013545305A (ja) | 2013-12-19 |
JP6225027B2 true JP6225027B2 (ja) | 2017-11-01 |
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JP2013536779A Active JP6225027B2 (ja) | 2010-10-26 | 2011-10-26 | ゲートチャージが低減された横方向に拡散されたmosトランジスタ |
Country Status (4)
Country | Link |
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US (1) | US9362398B2 (ja) |
JP (1) | JP6225027B2 (ja) |
CN (1) | CN103189988B (ja) |
WO (1) | WO2012058307A2 (ja) |
Families Citing this family (6)
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US8592900B2 (en) * | 2010-11-03 | 2013-11-26 | Texas Instruments Incorporated | Drain extended CMOS with counter-doped drain extension |
JP2013069777A (ja) * | 2011-09-21 | 2013-04-18 | Lapis Semiconductor Co Ltd | 半導体装置及びその製造方法 |
US9306055B2 (en) | 2014-01-16 | 2016-04-05 | Microchip Technology Incorporated | High voltage double-diffused MOS (DMOS) device and method of manufacture |
US9905428B2 (en) * | 2015-11-02 | 2018-02-27 | Texas Instruments Incorporated | Split-gate lateral extended drain MOS transistor structure and process |
JP7114290B2 (ja) | 2018-03-16 | 2022-08-08 | 株式会社東芝 | 半導体装置 |
US10608108B2 (en) * | 2018-06-20 | 2020-03-31 | Globalfoundries Singapore Pte. Ltd. | Extended drain MOSFETs (EDMOS) |
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JPH0897411A (ja) * | 1994-09-21 | 1996-04-12 | Fuji Electric Co Ltd | 横型高耐圧トレンチmosfetおよびその製造方法 |
KR100289049B1 (ko) * | 1997-12-17 | 2001-10-24 | 정선종 | 이중필드판구조를갖는전력소자 |
US6492678B1 (en) * | 2000-05-03 | 2002-12-10 | Linear Technology Corporation | High voltage MOS transistor with gate extension |
DE10339488B3 (de) * | 2003-08-27 | 2005-04-14 | Infineon Technologies Ag | Laterales Halbleiterbauelement mit einer wenigstens eine Feldelektrode aufweisenden Driftzone |
JP4601603B2 (ja) * | 2006-12-27 | 2010-12-22 | ルネサスエレクトロニクス株式会社 | パワーmisfet、半導体装置およびdc/dcコンバータ |
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EP2203933A2 (en) * | 2007-10-19 | 2010-07-07 | Nxp B.V. | High voltage semiconductor device |
KR20090072013A (ko) | 2007-12-28 | 2009-07-02 | 주식회사 동부하이텍 | 수평형 디모스 트랜지스터 |
US7910991B2 (en) | 2008-03-31 | 2011-03-22 | Freescale Semiconductor, Inc. | Dual gate lateral diffused MOS transistor |
US7888732B2 (en) * | 2008-04-11 | 2011-02-15 | Texas Instruments Incorporated | Lateral drain-extended MOSFET having channel along sidewall of drain extension dielectric |
US8174071B2 (en) * | 2008-05-02 | 2012-05-08 | Taiwan Semiconductor Manufacturing Co., Ltd. | High voltage LDMOS transistor |
JP5385679B2 (ja) * | 2008-05-16 | 2014-01-08 | 旭化成エレクトロニクス株式会社 | 横方向半導体デバイスおよびその製造方法 |
KR101009400B1 (ko) * | 2008-10-06 | 2011-01-19 | 주식회사 동부하이텍 | 반도체 소자 및 그 제조 방법 |
US7745294B2 (en) * | 2008-11-10 | 2010-06-29 | Texas Instruments Incorporated | Methods of manufacturing trench isolated drain extended MOS (demos) transistors and integrated circuits therefrom |
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US8115253B2 (en) * | 2009-09-10 | 2012-02-14 | United Microelectronics Corp. | Ultra high voltage MOS transistor device |
US8580650B2 (en) * | 2010-10-28 | 2013-11-12 | Texas Instruments Incorporated | Lateral superjunction extended drain MOS transistor |
US8299547B2 (en) * | 2011-01-03 | 2012-10-30 | International Business Machines Corporation | Lateral extended drain metal oxide semiconductor field effect transistor (LEDMOSFET) with tapered dielectric plates |
US8796745B2 (en) * | 2011-07-05 | 2014-08-05 | Texas Instruments Incorporated | Monolithically integrated active snubber |
-
2011
- 2011-10-25 US US13/281,274 patent/US9362398B2/en active Active
- 2011-10-26 JP JP2013536779A patent/JP6225027B2/ja active Active
- 2011-10-26 CN CN201180051771.8A patent/CN103189988B/zh active Active
- 2011-10-26 WO PCT/US2011/057881 patent/WO2012058307A2/en active Application Filing
Also Published As
Publication number | Publication date |
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WO2012058307A2 (en) | 2012-05-03 |
WO2012058307A3 (en) | 2012-07-05 |
US9362398B2 (en) | 2016-06-07 |
CN103189988B (zh) | 2016-06-29 |
JP2013545305A (ja) | 2013-12-19 |
CN103189988A (zh) | 2013-07-03 |
US20120098065A1 (en) | 2012-04-26 |
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