NL175358C - Veldeffekttransistor voor hoog vermogen en hoge werkspanning omvattende een schijfvormig lichaam van halfgeleidermateriaal en een door een isolatielaag van een oppervlak van het schijfvormig lichaam gescheiden stuurelektrode. - Google Patents

Veldeffekttransistor voor hoog vermogen en hoge werkspanning omvattende een schijfvormig lichaam van halfgeleidermateriaal en een door een isolatielaag van een oppervlak van het schijfvormig lichaam gescheiden stuurelektrode.

Info

Publication number
NL175358C
NL175358C NLAANVRAGE7907472,A NL7907472A NL175358C NL 175358 C NL175358 C NL 175358C NL 7907472 A NL7907472 A NL 7907472A NL 175358 C NL175358 C NL 175358C
Authority
NL
Netherlands
Prior art keywords
disc
electroductor
steering
separated
insulating layer
Prior art date
Application number
NLAANVRAGE7907472,A
Other languages
English (en)
Dutch (nl)
Other versions
NL175358B (nl
NL7907472A (nl
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=NL175358(C) "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 NL7907472A publication Critical patent/NL7907472A/nl
Publication of NL175358B publication Critical patent/NL175358B/xx
Application granted granted Critical
Publication of NL175358C publication Critical patent/NL175358C/xx

Links

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
    • H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
    • H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
    • H01L29/7811—Vertical DMOS transistors, i.e. VDMOS transistors with an edge termination structure
    • 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
    • H01L29/0684—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 the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
    • H01L29/0692—Surface layout
    • H01L29/0696—Surface layout of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
    • 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
    • H01L29/08—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 carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
    • H01L29/0843—Source or drain regions of field-effect devices
    • H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
    • H01L29/0852—Source or drain regions of field-effect devices of field-effect transistors with insulated gate of DMOS transistors
    • H01L29/0873—Drain regions
    • H01L29/0878—Impurity concentration or distribution
    • 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
    • H01L29/1095—Body region, i.e. base region, of DMOS transistors or IGBTs
    • 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
    • H01L29/7802—Vertical DMOS transistors, i.e. VDMOS 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
    • H01L29/66—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
    • H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
    • H01L29/7809—Vertical DMOS transistors, i.e. VDMOS transistors having both source and drain contacts on the same surface, i.e. Up-Drain VDMOS transistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means 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
    • H01L2224/02—Bonding areas; Manufacturing methods related thereto
    • H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
    • H01L2224/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
    • H01L2224/0601—Structure
    • H01L2224/0603—Bonding areas having different sizes, e.g. different heights or widths
    • 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
    • H01L29/08—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 carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
    • H01L29/0843—Source or drain regions of field-effect devices
    • H01L29/0847—Source 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)
NLAANVRAGE7907472,A 1978-10-13 1979-10-09 Veldeffekttransistor voor hoog vermogen en hoge werkspanning omvattende een schijfvormig lichaam van halfgeleidermateriaal en een door een isolatielaag van een oppervlak van het schijfvormig lichaam gescheiden stuurelektrode. NL175358C (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US95131078A 1978-10-13 1978-10-13
US95131078 1978-10-13
US3866279A 1979-05-14 1979-05-14
US3866279 1979-05-14

Publications (3)

Publication Number Publication Date
NL7907472A NL7907472A (nl) 1980-04-15
NL175358B NL175358B (nl) 1984-05-16
NL175358C true NL175358C (nl) 1984-10-16

Family

ID=26715426

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7907472,A NL175358C (nl) 1978-10-13 1979-10-09 Veldeffekttransistor voor hoog vermogen en hoge werkspanning omvattende een schijfvormig lichaam van halfgeleidermateriaal en een door een isolatielaag van een oppervlak van het schijfvormig lichaam gescheiden stuurelektrode.

Country Status (19)

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

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 (xx) 1980-08-11
HU182506B (en) 1984-01-30
FR2438917B1 (xx) 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
CS222676B2 (en) 1983-07-29
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
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
NL175358C (nl) Veldeffekttransistor voor hoog vermogen en hoge werkspanning omvattende een schijfvormig lichaam van halfgeleidermateriaal en een door een isolatielaag van een oppervlak van het schijfvormig lichaam gescheiden stuurelektrode.
NL159534B (nl) Werkwijze voor het vervaardigen van een geintegreerde halfgeleiderschakeling met van een geisoleerde stuurelektrode voorziene veldeffecttransistoren.
NL149234B (nl) Werkwijze en inrichting voor het afzetten van dunne lagen geleidend of halfgeleidend materiaal op het oppervlak van een lichaam.
NL7613464A (nl) Halfgeleiderinrichting, bestand tegen hoge spanningen, en werkwijze voor het vervaardigen daarvan.
NL191483C (nl) Inrichting voor het vervaardigen van granulaat.
NL186482C (nl) Werkwijze voor het inkapselen van een halfgeleiderinrichting alsmede een vormsamenstelling geschikt voor toepassing van de werkwijze.
NL185483B (nl) Werkwijze voor het vervaardigen van een halfgeleidereenheid met veldeffecttransistors met geisoleerde poort van de verarmingssoort en de verrijkingssoort.
NL185118C (nl) Halfgeleiderschakelinrichting voor het geleiden en versterken van straling.
NL160891B (nl) Inrichting voor het bevochtigen van baanvormig materiaal.
NL189102C (nl) Transistor en werkwijze voor het vervaardigen daarvan.
NL7713947A (nl) Vermogenstransistor en werkwijze voor het vervaardigen ervan.
NL190210C (nl) Werkwijze voor het vervaardigen van een geintegreerde halfgeleiderschakeling van veldeffecttransistoren met een geisoleerde stuurelektrode en van condensatoren met een dunne dielektrische laag tussen een eerste en een tweede elektrode.
NL7705093A (nl) Werkwijze voor het vervaardigen van droog transfermateriaal.
JPS5578577A (en) Method of fabricating field effect transistor utilizing one conductivity semiconductor substrate
NL7603967A (nl) Polyetheenmengsel voor het vervaardigen van halfgeleidende foelies voor zakjes en zakken.
NL7511259A (nl) Werkwijze en inrichting voor het vervaardigen van microbedradingen voor het contacteren van halfgeleiderschakelkringen.
NL163674C (nl) Halfgeleiderinrichting van het in glas ingesmolten type.
NL185044B (nl) Halfgeleider-component en werkwijze voor het vervaardigen daarvan.
NL166119C (nl) Inrichting voor het aanbrengen van vuurvast materiaal op het binnenoppervlak van een oven.
NL7602123A (nl) Installatie voor het kontinu behandelen van materiaal.
NL174304C (nl) Werkwijze voor het vervaardigen van een geintegreerde halfgeleiderschakeling, die uit complementaire veldeffecttransistors met een geisoleerde stuurelektrode is samengesteld.
NL7606027A (nl) Preparaten voor het bestrijden van schadelijke organismen.
JPS51147186A (en) Semiconductor device
NL7604601A (nl) Halfgeleiderinrichting en werkwijze voor het ver- vaardigen van een dergelijke inrichting.
NL7613835A (nl) Werkwijze voor het t-lassen of stootlassen van gelamineerd geheel uit kunststof bestaand materiaal.

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 19991009