CS222676B2 - High-capacity mosfet device - Google Patents

High-capacity mosfet device Download PDF

Info

Publication number
CS222676B2
CS222676B2 CS796589A CS658979A CS222676B2 CS 222676 B2 CS222676 B2 CS 222676B2 CS 796589 A CS796589 A CS 796589A CS 658979 A CS658979 A CS 658979A CS 222676 B2 CS222676 B2 CS 222676B2
Authority
CS
Czechoslovakia
Prior art keywords
region
type
gate
electrode
electrodes
Prior art date
Application number
CS796589A
Other languages
Czech (cs)
English (en)
Inventor
Alexander Lidow
Thomas Herma
Vladimir Rumennik
Original Assignee
Int Rectifier Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26715426&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CS222676(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Int Rectifier Corp filed Critical Int Rectifier Corp
Publication of CS222676B2 publication Critical patent/CS222676B2/cs

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types 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
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/7801DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
    • H01L29/7802Vertical DMOS transistors, i.e. VDMOS transistors
    • H01L29/7811Vertical DMOS transistors, i.e. VDMOS transistors with an edge termination structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/06Semiconductor 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
    • H01L29/0684Semiconductor 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 the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
    • H01L29/0692Surface layout
    • H01L29/0696Surface layout of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/06Semiconductor 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
    • H01L29/08Semiconductor 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 carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
    • H01L29/0843Source or drain regions of field-effect devices
    • H01L29/0847Source or drain regions of field-effect devices of field-effect transistors with insulated gate
    • H01L29/0852Source or drain regions of field-effect devices of field-effect transistors with insulated gate of DMOS transistors
    • H01L29/0873Drain regions
    • H01L29/0878Impurity concentration or distribution
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/06Semiconductor 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
    • H01L29/10Semiconductor 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
    • H01L29/1095Body region, i.e. base region, of DMOS transistors or IGBTs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types 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
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/7801DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
    • H01L29/7802Vertical DMOS transistors, i.e. VDMOS transistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types 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
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/7801DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
    • H01L29/7802Vertical DMOS transistors, i.e. VDMOS transistors
    • H01L29/7809Vertical DMOS transistors, i.e. VDMOS transistors having both source and drain contacts on the same surface, i.e. Up-Drain VDMOS transistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/02Bonding areas; Manufacturing methods related thereto
    • H01L2224/04Structure, shape, material or disposition of the bonding areas prior to the connecting process
    • H01L2224/06Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
    • H01L2224/0601Structure
    • H01L2224/0603Bonding areas having different sizes, e.g. different heights or widths
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/06Semiconductor 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
    • H01L29/08Semiconductor 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 carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
    • H01L29/0843Source or drain regions of field-effect devices
    • H01L29/0847Source or drain regions of field-effect devices of field-effect transistors with insulated gate

Landscapes

  • Microelectronics & Electronic Packaging (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Insulated Gate Type Field-Effect Transistor (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Bipolar Transistors (AREA)
  • Thyristors (AREA)
  • Amplifiers (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Electronic Switches (AREA)
CS796589A 1978-10-13 1979-09-28 High-capacity mosfet device CS222676B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US95131078A 1978-10-13 1978-10-13
US3866279A 1979-05-14 1979-05-14

Publications (1)

Publication Number Publication Date
CS222676B2 true CS222676B2 (en) 1983-07-29

Family

ID=26715426

Family Applications (1)

Application Number Title Priority Date Filing Date
CS796589A CS222676B2 (en) 1978-10-13 1979-09-28 High-capacity mosfet device

Country Status (19)

Country Link
JP (2) JP2622378B2 (it)
AR (1) AR219006A1 (it)
BR (1) BR7906338A (it)
CA (2) CA1123119A (it)
CH (2) CH660649A5 (it)
CS (1) CS222676B2 (it)
DE (2) DE2954481C2 (it)
DK (3) DK157272C (it)
ES (1) ES484652A1 (it)
FR (1) FR2438917A1 (it)
GB (1) GB2033658B (it)
HU (1) HU182506B (it)
IL (1) IL58128A (it)
IT (1) IT1193238B (it)
MX (1) MX147137A (it)
NL (1) NL175358C (it)
PL (1) PL123961B1 (it)
SE (2) SE443682B (it)
SU (1) SU1621817A3 (it)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4593302B1 (en) * 1980-08-18 1998-02-03 Int Rectifier Corp Process for manufacture of high power mosfet laterally distributed high carrier density beneath the gate oxide
DE3040775C2 (de) * 1980-10-29 1987-01-15 Siemens AG, 1000 Berlin und 8000 München Steuerbares MIS-Halbleiterbauelement
US4412242A (en) 1980-11-17 1983-10-25 International Rectifier Corporation Planar structure for high voltage semiconductor devices with gaps in glassy layer over high field regions
GB2111745B (en) * 1981-12-07 1985-06-19 Philips Electronic Associated Insulated-gate field-effect transistors
CA1188821A (en) * 1982-09-03 1985-06-11 Patrick W. Clarke Power mosfet integrated circuit
US4532534A (en) * 1982-09-07 1985-07-30 Rca Corporation MOSFET with perimeter channel
DE3346286A1 (de) * 1982-12-21 1984-06-28 International Rectifier Corp., Los Angeles, Calif. Hochleistungs-metalloxid-feldeffekttransistor- halbleiterbauteil
JPS59167066A (ja) * 1983-03-14 1984-09-20 Nissan Motor Co Ltd 縦形mosfet
JPS6010677A (ja) * 1983-06-30 1985-01-19 Nissan Motor Co Ltd 縦型mosトランジスタ
JPH0247874A (ja) * 1988-08-10 1990-02-16 Fuji Electric Co Ltd Mos型半導体装置の製造方法
US5766966A (en) * 1996-02-09 1998-06-16 International Rectifier Corporation Power transistor device having ultra deep increased concentration region
IT1247293B (it) * 1990-05-09 1994-12-12 Int Rectifier Corp Dispositivo transistore di potenza presentante una regione ultra-profonda, a maggior concentrazione
US5404040A (en) * 1990-12-21 1995-04-04 Siliconix Incorporated Structure and fabrication of power MOSFETs, including termination structures
US5304831A (en) * 1990-12-21 1994-04-19 Siliconix Incorporated Low on-resistance power MOS technology
IT1250233B (it) * 1991-11-29 1995-04-03 St Microelectronics Srl Procedimento per la fabbricazione di circuiti integrati in tecnologia mos.
EP0586716B1 (de) * 1992-08-10 1997-10-22 Siemens Aktiengesellschaft Leistungs-MOSFET mit verbesserter Avalanche-Festigkeit
JPH06268227A (ja) * 1993-03-10 1994-09-22 Hitachi Ltd 絶縁ゲート型バイポーラトランジスタ
EP0660402B1 (en) * 1993-12-24 1998-11-04 Consorzio per la Ricerca sulla Microelettronica nel Mezzogiorno Power semiconductor device
DE69321965T2 (de) * 1993-12-24 1999-06-02 Consorzio Per La Ricerca Sulla Microelettronica Nel Mezzogiorno, Catania MOS-Leistungs-Chip-Typ und Packungszusammenbau
US5798287A (en) * 1993-12-24 1998-08-25 Consorzio Per La Ricerca Sulla Microelettronica Nel Mezzogiorno Method for forming a power MOS device chip
EP0665597A1 (en) * 1994-01-27 1995-08-02 Consorzio per la Ricerca sulla Microelettronica nel Mezzogiorno - CoRiMMe IGBT and manufacturing process therefore
US5817546A (en) * 1994-06-23 1998-10-06 Stmicroelectronics S.R.L. Process of making a MOS-technology power device
EP0689238B1 (en) * 1994-06-23 2002-02-20 STMicroelectronics S.r.l. MOS-technology power device manufacturing process
DE69418037T2 (de) * 1994-08-02 1999-08-26 Consorzio Per La Ricerca Sulla Microelettronica Ne Leistungshalbleitervorrichtung aus MOS-Technology-Chips und Gehäuseaufbau
US5798554A (en) * 1995-02-24 1998-08-25 Consorzio Per La Ricerca Sulla Microelettronica Nel Mezzogiorno MOS-technology power device integrated structure and manufacturing process thereof
DE69534919T2 (de) * 1995-10-30 2007-01-25 Stmicroelectronics S.R.L., Agrate Brianza Leistungsvorrichtung in MOS-Technologie mit einer einzigen kritischen Größe
DE69533134T2 (de) * 1995-10-30 2005-07-07 Stmicroelectronics S.R.L., Agrate Brianza Leistungsbauteil hoher Dichte in MOS-Technologie
US6228719B1 (en) 1995-11-06 2001-05-08 Stmicroelectronics S.R.L. MOS technology power device with low output resistance and low capacitance, and related manufacturing process
DE69518653T2 (de) * 1995-12-28 2001-04-19 Consorzio Per La Ricerca Sulla Microelettronica Nel Mezzogiorno, Catania MOS-Technologie-Leistungsanordnung in integrierter Struktur
EP0961325B1 (en) 1998-05-26 2008-05-07 STMicroelectronics S.r.l. High integration density MOS technology power device
WO2000062345A1 (fr) 1999-04-09 2000-10-19 Shindengen Electric Manufacturing Co., Ltd. Dispositif a semi-conducteur haute tension
JP4122113B2 (ja) * 1999-06-24 2008-07-23 新電元工業株式会社 高破壊耐量電界効果型トランジスタ
US6344379B1 (en) 1999-10-22 2002-02-05 Semiconductor Components Industries Llc Semiconductor device with an undulating base region and method therefor
JP4845293B2 (ja) * 2000-08-30 2011-12-28 新電元工業株式会社 電界効果トランジスタ
JP2006295134A (ja) 2005-03-17 2006-10-26 Sanyo Electric Co Ltd 半導体装置およびその製造方法
US9484451B2 (en) 2007-10-05 2016-11-01 Vishay-Siliconix MOSFET active area and edge termination area charge balance
US9431249B2 (en) 2011-12-01 2016-08-30 Vishay-Siliconix Edge termination for super junction MOSFET devices
US9614043B2 (en) 2012-02-09 2017-04-04 Vishay-Siliconix MOSFET termination trench
US9842911B2 (en) 2012-05-30 2017-12-12 Vishay-Siliconix Adaptive charge balanced edge termination
US9530844B2 (en) 2012-12-28 2016-12-27 Cree, Inc. Transistor structures having reduced electrical field at the gate oxide and methods for making same
US10115815B2 (en) 2012-12-28 2018-10-30 Cree, Inc. Transistor structures having a deep recessed P+ junction and methods for making same
JP5907097B2 (ja) * 2013-03-18 2016-04-20 三菱電機株式会社 半導体装置
US9508596B2 (en) 2014-06-20 2016-11-29 Vishay-Siliconix Processes used in fabricating a metal-insulator-semiconductor field effect transistor
US9887259B2 (en) 2014-06-23 2018-02-06 Vishay-Siliconix Modulated super junction power MOSFET devices
CN106575666B (zh) 2014-08-19 2021-08-06 维西埃-硅化物公司 超结金属氧化物半导体场效应晶体管
US11489069B2 (en) 2017-12-21 2022-11-01 Wolfspeed, Inc. Vertical semiconductor device with improved ruggedness
US10615274B2 (en) 2017-12-21 2020-04-07 Cree, Inc. Vertical semiconductor device with improved ruggedness

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015278A (en) * 1974-11-26 1977-03-29 Fujitsu Ltd. Field effect semiconductor device
JPS52106688A (en) * 1976-03-05 1977-09-07 Nec Corp Field-effect transistor
JPS52132684A (en) * 1976-04-29 1977-11-07 Sony Corp Insulating gate type field effect transistor
US4055884A (en) * 1976-12-13 1977-11-01 International Business Machines Corporation Fabrication of power field effect transistors and the resulting structures
JPS5374385A (en) * 1976-12-15 1978-07-01 Hitachi Ltd Manufacture of field effect semiconductor device
US4148047A (en) * 1978-01-16 1979-04-03 Honeywell Inc. Semiconductor apparatus
JPH05185381A (ja) * 1992-01-10 1993-07-27 Yuum Kogyo:Kk 替刃式鋸用ハンドル

Also Published As

Publication number Publication date
DK157272C (da) 1990-04-30
DK512488D0 (da) 1988-09-15
JP2643095B2 (ja) 1997-08-20
JPS6323365A (ja) 1988-01-30
SU1621817A3 (ru) 1991-01-15
DE2954481C2 (de) 1990-12-06
GB2033658B (en) 1983-03-02
PL218878A1 (it) 1980-08-11
HU182506B (en) 1984-01-30
FR2438917B1 (it) 1984-09-07
FR2438917A1 (fr) 1980-05-09
ES484652A1 (es) 1980-09-01
IT7926435A0 (it) 1979-10-11
SE443682B (sv) 1986-03-03
DK512388D0 (da) 1988-09-15
SE8503615D0 (sv) 1985-07-26
DE2940699A1 (de) 1980-04-24
SE8503615L (sv) 1985-07-26
CA1123119A (en) 1982-05-04
IT1193238B (it) 1988-06-15
IL58128A (en) 1981-12-31
GB2033658A (en) 1980-05-21
MX147137A (es) 1982-10-13
CH660649A5 (de) 1987-05-15
NL175358B (nl) 1984-05-16
DK512488A (da) 1988-09-15
PL123961B1 (en) 1982-12-31
NL175358C (nl) 1984-10-16
DE2940699C2 (de) 1986-04-03
BR7906338A (pt) 1980-06-24
SE465444B (sv) 1991-09-09
DK350679A (da) 1980-04-14
DK512388A (da) 1988-09-15
JPH07169950A (ja) 1995-07-04
SE7908479L (sv) 1980-04-14
DK157272B (da) 1989-11-27
CA1136291A (en) 1982-11-23
AR219006A1 (es) 1980-07-15
NL7907472A (nl) 1980-04-15
CH642485A5 (de) 1984-04-13
JP2622378B2 (ja) 1997-06-18

Similar Documents

Publication Publication Date Title
CS222676B2 (en) High-capacity mosfet device
US4705759A (en) High power MOSFET with low on-resistance and high breakdown voltage
US5191396A (en) High power mosfet with low on-resistance and high breakdown voltage
US5338961A (en) High power MOSFET with low on-resistance and high breakdown voltage
US4115797A (en) Integrated injection logic with heavily doped injector base self-aligned with injector emitter and collector
GB2082385A (en) Process for manufacture of high power mosfet with laterally distributed high carrier density beneath the gate oxide
EP0091686B1 (en) Semiconductor device having a diffused region of reduced length and method of fabricating the same
US5468668A (en) Method of forming MOS-gated semiconductor devices having mesh geometry pattern
KR20010106231A (ko) 반도체장치
US5874338A (en) MOS-technology power device and process of making same
JPH06502277A (ja) 半導体エレメントの、例えばダイオードの製造法
US6160306A (en) Diode of semiconductor device and method for manufacturing the same
EP0729188A2 (en) Semiconductor device having junction field effect transistors
KR900007048B1 (ko) 종형 mos 반도체장치
JP3206726B2 (ja) Mos型半導体装置の製造方法
JPS62155567A (ja) 絶縁ゲ−ト型半導体装置の製造方法
CN108054215B (zh) 结型场效应晶体管及其制作方法
JPS61500520A (ja) 高抵抗及び低抵抗領域を有するInPを含む半導体デバイスの製作
US5970343A (en) Fabrication of conductivity enhanced MOS-gated semiconductor devices
JP2808882B2 (ja) 絶縁ゲート型バイポーラトランジスタ
JP2000138233A (ja) 接合型電界効果トランジスタ及びその製造方法
JPS60236265A (ja) 導電変調型mosfet
KR0148699B1 (ko) 반도체소자
JPS60175457A (ja) 電界効果トランジスタの製造方法
KR830001247B1 (ko) 복수다각형 소스패턴을 가진 mosfet 장치