KR100902596B1 - 반도체 소자와 그의 제조방법 및 반도체 소자를 이용한변압회로 - Google Patents
반도체 소자와 그의 제조방법 및 반도체 소자를 이용한변압회로 Download PDFInfo
- Publication number
- KR100902596B1 KR100902596B1 KR1020070097887A KR20070097887A KR100902596B1 KR 100902596 B1 KR100902596 B1 KR 100902596B1 KR 1020070097887 A KR1020070097887 A KR 1020070097887A KR 20070097887 A KR20070097887 A KR 20070097887A KR 100902596 B1 KR100902596 B1 KR 100902596B1
- Authority
- KR
- South Korea
- Prior art keywords
- type
- layer
- forming
- semiconductor device
- mos transistor
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 92
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 230000009466 transformation Effects 0.000 title 1
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 18
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 229920005591 polysilicon Polymers 0.000 claims description 11
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 8
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 5
- 238000001312 dry etching Methods 0.000 claims description 3
- 238000000137 annealing Methods 0.000 claims description 2
- 238000001039 wet etching Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 6
- 239000003990 capacitor Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 238000009413 insulation Methods 0.000 description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000011426 transformation method Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823437—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/823456—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes gate conductors with different shapes, lengths or dimensions
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823487—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of vertical transistor structures, i.e. with channel vertical to the substrate surface
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823828—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/82385—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes gate conductors with different shapes, lengths or dimensions
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823885—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of vertical transistor structures, i.e. with channel vertical to the substrate surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
- H01L27/092—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
- H01L27/0922—Combination of complementary transistors having a different structure, e.g. stacked CMOS, high-voltage and low-voltage CMOS
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Dc-Dc Converters (AREA)
- Semiconductor Integrated Circuits (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (12)
- 전원부로부터 인가되는 전류의 로드를 스위칭 하는 트렌치 모스 트랜지스터와,상기 트렌치 모스 트랜지스터의 구동을 제어하는 부스트 컨트롤러가 하나의 반도체 기판 상에 일체화되어 형성되고, 상기 트렌치 모스 트랜지스터는고농도 N+ 타입의 반도체 기판과,상기 고농도 N+ 타입 기판 상에 저농도 P 타입 에피층에 N 타입의 물질을 저농도로 주입하여 형성되는 저농도 N 타입 도핑층과,상기 저농도 N 타입 도핑층에 소정 깊이를 가지고 형성되는 P 타입 웰과,상기 P 타입 웰을 관통하여 상기 저농도 N 타입 도핑층에 1㎛ 내지 2㎛ 깊이를 가지도록 형성된 복수의 트렌치를 매립하여 형성되는 복수의 게이트와,상기 복수의 게이트 사이마다 N 타입 실리콘으로 형성되는 N 타입 소스와,상기 소스에 접하도록 형성되는 컨택층과,상기 게이트를 덮도록 형성되는 절연층과,상기 고농도 N+ 타입 기판 배면에 형성되는 공통 드레인과,상기 부스트 컨트로러와 모스 트랜지스터를 분리시키기 위한 소자 격리층을 포함하여 형성되는 것을 특징으로 하는 반도체소자.
- 삭제
- 제 1 항에 있어서,상기 트렌치 내벽과 상기 게이트 사이에 50Å 내지 500Å의 두께를 가지는 실리콘 산화막을 구비하는 것을 특징으로 하는 반도체 소자.
- 제 1 항에 있어서,상기 저농도 P 타입 에피층은 2.5㎛ 내지 10㎛의 두께를 가지도록 단결정 실리콘 기판을 P 타입으로 성장시켜 형성되는 것을 특징으로 하는 반도체 소자.
- 제 1 항에 있어서,상기 부스트 컨트롤러의 주변에 복수의 상기 트렌치 모스 트랜지스터가 균일하게 분포되어 형성되는 것을 특징으로 하는 반도체 소자.
- 삭제
- 삭제
- 삭제
- 삭제
- 반도체 기판을 마련하는 단계와,상기 반도체 기판 상에 단결정 실리콘을 P 타입으로 성장시켜 P 타입 에피층을 형성하는 단계와,상기 P 타입 에피층의 일부 영역에 N 타입 물질을 도핑/주입하여 저농도의 N 타입 도핑층을 형성하는 단계와,상기 P 타입 에피층의 일부 영역에 N 타입 물질을 도핑하여 N 타입 웰을 형성하는 단계와,상기 P 타입 에피층의 일부 영역 및 상기 N 타입 도핑층에 P 타입 물질을 도핑하여 각각의 P 타입 웰을 형성하는 단계와,상기 N 타입 도핑층 상에 형성된 상기 P 타입 웰을 관통하도록 복수의 트렌치를 형성하는 단계와,상기 트렌치의 내벽에 실리콘 산화막을 형성하는 단계와,상기 실리콘 산화막이 형성된 상기 트렌치 내부 공간을 매립하여 제 1 게이트를 형성하는 단계와,상기 N 타입 웰 및 P 타입 웰의 상측 일부 영역에 실리콘 산화막을 형성하는 단계와,상기 실리콘 산화막 상에 제 2 게이트를 형성하는 단계와,상기 N 타입 웰의 내부에 P 타입의 소스 및 드레인을 형성하는 단계와,상기 N 타입 웰에 형성된 상기 P 타입의 소스 및 드레인과 접하도록 P 타입 LDD 영역을 형성하는 단계와,상기 P 타입 웰의 내부에 N 타입의 소스 및 드레인을 형성하는 단계와,상기 P 타입 웰에 형성된 상기 N 타입의 소스 및 드레인과 접하도록 N 타입 LDD 영역을 형성함과 아울러, 상기 N 타입 도핑층 상에 형성된 P 타입 웰의 내부에 N+ 타입의 소스를 형성하는 단계와,상기 N+ 타입의 소스와 접하도록 P+ 타입 컨택층을 형성하는 단계와,상기 제 1 게이트 상에 절연층을 형성하는 단계와,상기 반도체 기판 배면에 공통 드레인을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 10 항에 있어서,상기 제 2 게이트를 형성하는 단계에 있어어서,상기 제 2 게이트는 상기 N 타입 웰 및 P 타입 웰 상에 상기 게이트 산화막을 사이에 두고 폴리 실리콘층을 형성하는 단계와,상기 N 타입 웰 상에 형성된 상기 폴리 실리콘층에 P 타입 물질을 도핑/주입 하는 단계와,상기 P 타입 웰 상에 형성된 상기 폴리 실리콘층에 N 타입 물질을 도핑/주입하는 단계와,상기 P 타입 및 N 타입 물질이 도핑된 상기 폴리 실리콘층을 어닐하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 10 항에 있어서,상기 공통 드레인을 형성하는 단계는 N+ 실리콘(Si) 기판의 배면에서 건식 또는 습식 식각 방법으로 자연 산화막을 제거하는 단계와,상기 N+ 실리콘(Si) 기판의 배면에 전도성 물질을 도포하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070097887A KR100902596B1 (ko) | 2007-09-28 | 2007-09-28 | 반도체 소자와 그의 제조방법 및 반도체 소자를 이용한변압회로 |
US12/234,515 US7956422B2 (en) | 2007-09-28 | 2008-09-19 | Semiconductor device, method for fabricating the same, and transformer circuit using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070097887A KR100902596B1 (ko) | 2007-09-28 | 2007-09-28 | 반도체 소자와 그의 제조방법 및 반도체 소자를 이용한변압회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090032550A KR20090032550A (ko) | 2009-04-01 |
KR100902596B1 true KR100902596B1 (ko) | 2009-06-11 |
Family
ID=40507442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070097887A KR100902596B1 (ko) | 2007-09-28 | 2007-09-28 | 반도체 소자와 그의 제조방법 및 반도체 소자를 이용한변압회로 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7956422B2 (ko) |
KR (1) | KR100902596B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5794879B2 (ja) | 2011-09-29 | 2015-10-14 | ルネサスエレクトロニクス株式会社 | 半導体装置及びそれを用いたSiPデバイス |
JP5882046B2 (ja) * | 2011-12-21 | 2016-03-09 | エスアイアイ・セミコンダクタ株式会社 | 半導体集積回路装置の製造方法 |
US9508596B2 (en) * | 2014-06-20 | 2016-11-29 | Vishay-Siliconix | Processes used in fabricating a metal-insulator-semiconductor field effect transistor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000312477A (ja) | 1999-04-23 | 2000-11-07 | Nippon Telegr & Teleph Corp <Ntt> | スイッチング・レギュレータ |
JP2006049402A (ja) | 2004-08-02 | 2006-02-16 | Matsushita Electric Ind Co Ltd | インバータ装置 |
JP2006093184A (ja) * | 2004-09-21 | 2006-04-06 | Matsushita Electric Ind Co Ltd | 半導体装置及びそれを用いたスイッチング電源装置 |
KR100752591B1 (ko) | 2007-07-06 | 2007-08-29 | (주)위즈덤 세미컨덕터 | Smps 소자 및 그 제조방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4477952B2 (ja) * | 2004-07-09 | 2010-06-09 | 株式会社ルネサステクノロジ | 半導体装置、dc/dcコンバータおよび電源システム |
EP1863159A1 (en) * | 2005-03-22 | 2007-12-05 | Oki Power Tech Co., Ltd. | Switching power supply circuit |
-
2007
- 2007-09-28 KR KR1020070097887A patent/KR100902596B1/ko active IP Right Grant
-
2008
- 2008-09-19 US US12/234,515 patent/US7956422B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000312477A (ja) | 1999-04-23 | 2000-11-07 | Nippon Telegr & Teleph Corp <Ntt> | スイッチング・レギュレータ |
JP2006049402A (ja) | 2004-08-02 | 2006-02-16 | Matsushita Electric Ind Co Ltd | インバータ装置 |
JP2006093184A (ja) * | 2004-09-21 | 2006-04-06 | Matsushita Electric Ind Co Ltd | 半導体装置及びそれを用いたスイッチング電源装置 |
KR100752591B1 (ko) | 2007-07-06 | 2007-08-29 | (주)위즈덤 세미컨덕터 | Smps 소자 및 그 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
US20090085541A1 (en) | 2009-04-02 |
KR20090032550A (ko) | 2009-04-01 |
US7956422B2 (en) | 2011-06-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100840958B1 (ko) | 승압형 dc-dc 컨버터용 반도체 장치 및 승압형dc-dc 컨버터 | |
TWI462186B (zh) | 雙重擴散源mosfet(ldmos)電晶體中之重摻雜區及其製造方法 | |
US8785282B2 (en) | Two step poly etch LDMOS gate formation | |
TW200945585A (en) | Dual gate lateral diffused MOS transistor | |
JP4995873B2 (ja) | 半導体装置及び電源回路 | |
TW201042754A (en) | A vertical DMOS device with an integrated low power leaker device and method of making thereof | |
US10581426B1 (en) | Source down power FET with integrated temperature sensor | |
CN107959489B (zh) | 带有可控相位节点振铃的开关电路 | |
US20120139005A1 (en) | Semiconductor device | |
KR100902596B1 (ko) | 반도체 소자와 그의 제조방법 및 반도체 소자를 이용한변압회로 | |
EP1710843B1 (en) | Integrated power device | |
CN102859700B (zh) | 没有反向恢复的ldmos | |
CN112786706A (zh) | 具有高雪崩健壮性的晶体管装置 | |
TWI566509B (zh) | 切換式轉換器以及升壓裝置 | |
CN106487220B (zh) | 切换式转换器以及升压装置 | |
JP2009283543A (ja) | 半導体装置およびその製造方法 | |
US7615822B1 (en) | Diffused drain transistor | |
CN106487206B (zh) | 上桥电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130520 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20140516 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20150512 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20160512 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20170504 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20180511 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20190509 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20200312 Year of fee payment: 12 |