BE862496A - Procede de fabrication de semiconducteurs de puissance a contacts presses - Google Patents

Procede de fabrication de semiconducteurs de puissance a contacts presses

Info

Publication number
BE862496A
BE862496A BE1008619A BE1008619A BE862496A BE 862496 A BE862496 A BE 862496A BE 1008619 A BE1008619 A BE 1008619A BE 1008619 A BE1008619 A BE 1008619A BE 862496 A BE862496 A BE 862496A
Authority
BE
Belgium
Prior art keywords
manufacturing process
power semiconductor
semiconductor manufacturing
contact power
press contact
Prior art date
Application number
BE1008619A
Other languages
English (en)
Original Assignee
Alsthom Atlantique
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
Application filed by Alsthom Atlantique filed Critical Alsthom Atlantique
Publication of BE862496A publication Critical patent/BE862496A/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/02—Containers; Seals
    • H01L23/04—Containers; Seals characterised by the shape of the container or parts, e.g. caps, walls
    • H01L23/043—Containers; Seals characterised by the shape of the container or parts, e.g. caps, walls the container being a hollow construction and having a conductive base as a mounting as well as a lead for the semiconductor body
    • H01L23/051—Containers; Seals characterised by the shape of the container or parts, e.g. caps, walls the container being a hollow construction and having a conductive base as a mounting as well as a lead for the semiconductor body another lead being formed by a cover plate parallel to the base plate, e.g. sandwich type
    • 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
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
    • H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
    • H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
    • H—ELECTRICITY
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    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/71—Means for bonding not being attached to, or not being formed on, the surface to be connected
    • H01L24/72—Detachable connecting means consisting of mechanical auxiliary parts connecting the device, e.g. pressure contacts using springs or clips
    • 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
    • H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
    • H01L29/41716—Cathode or anode electrodes for thyristors
    • 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
    • H01L29/42308—Gate electrodes for thyristors
    • H—ELECTRICITY
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    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01—Chemical elements
    • H01L2924/01005—Boron [B]
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    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
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    • H01L2924/01006—Carbon [C]
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    • H01L2924/01033—Arsenic [As]
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    • H01L2924/01052—Tellurium [Te]
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    • H01L2924/01075—Rhenium [Re]
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    • H01L2924/01079—Gold [Au]
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    • H01L2924/01082—Lead [Pb]
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    • H01L2924/01—Chemical elements
    • H01L2924/01087—Francium [Fr]
    • H—ELECTRICITY
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    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/10—Details of semiconductor or other solid state devices to be connected
    • H01L2924/11—Device type
    • H01L2924/13—Discrete devices, e.g. 3 terminal devices
    • H01L2924/1301—Thyristor
    • H—ELECTRICITY
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    • H01L2924/10—Details of semiconductor or other solid state devices to be connected
    • H01L2924/11—Device type
    • H01L2924/13—Discrete devices, e.g. 3 terminal devices
    • H01L2924/1304—Transistor
    • H01L2924/1305—Bipolar Junction Transistor [BJT]
    • H—ELECTRICITY
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    • H01L2924/10—Details of semiconductor or other solid state devices to be connected
    • H01L2924/11—Device type
    • H01L2924/14—Integrated circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/30—Technical effects
    • H01L2924/301—Electrical effects
    • H01L2924/3011—Impedance
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/018—Compensation doping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/02—Contacts, special

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Thyristors (AREA)
  • Die Bonding (AREA)
BE1008619A 1977-01-19 1977-12-30 Procede de fabrication de semiconducteurs de puissance a contacts presses BE862496A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7701433A FR2378354A1 (fr) 1977-01-19 1977-01-19 Procede de fabrication de semiconducteurs de puissance a contacts presses

Publications (1)

Publication Number Publication Date
BE862496A true BE862496A (fr) 1978-06-30

Family

ID=9185664

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1008619A BE862496A (fr) 1977-01-19 1977-12-30 Procede de fabrication de semiconducteurs de puissance a contacts presses

Country Status (8)

Country Link
US (1) US4155155A (fr)
BE (1) BE862496A (fr)
CA (1) CA1078528A (fr)
DE (1) DE2801153A1 (fr)
FR (1) FR2378354A1 (fr)
GB (1) GB1542229A (fr)
IT (1) IT1089099B (fr)
NL (1) NL7800684A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2803253C1 (ru) * 2022-12-13 2023-09-11 Публичное Акционерное Общество "Электровыпрямитель" Способ изготовления силового полупроводникового прибора с прижимными контактами

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5929143B2 (ja) * 1978-01-07 1984-07-18 株式会社東芝 電力用半導体装置
US4402004A (en) * 1978-01-07 1983-08-30 Tokyo Shibaura Denki Kabushiki Kaisha High current press pack semiconductor device having a mesa structure
JPS56131955A (en) * 1980-09-01 1981-10-15 Hitachi Ltd Semiconductor device
US4320571A (en) * 1980-10-14 1982-03-23 International Rectifier Corporation Stencil mask process for high power, high speed controlled rectifiers
FR2517471B1 (fr) * 1981-12-02 1985-08-02 Silicium Semiconducteur Ssc Montage en boitier presse de composants de puissance a structure d'electrodes ramifiee
JPS594033A (ja) * 1982-06-30 1984-01-10 Toshiba Corp 圧接型半導体装置
DE3232837A1 (de) * 1982-09-03 1984-03-08 Siemens AG, 1000 Berlin und 8000 München Verfahren zum herstellen einer 2-ebenen-metallisierung fuer halbleiterbauelemente, insbesondere fuer leistungshalbleiterbauelemente wie thyristoren
JPS59121871A (ja) * 1982-12-28 1984-07-14 Toshiba Corp 半導体装置
JPS59134876A (ja) * 1983-01-20 1984-08-02 Mitsubishi Electric Corp 半導体装置
US4545610A (en) * 1983-11-25 1985-10-08 International Business Machines Corporation Method for forming elongated solder connections between a semiconductor device and a supporting substrate
US4616403A (en) * 1984-08-31 1986-10-14 Texas Instruments Incorporated Configuration of a metal insulator semiconductor with a processor based gate
DE3446789A1 (de) * 1984-12-21 1986-07-03 SEMIKRON Gesellschaft für Gleichrichterbau u. Elektronik mbH, 8500 Nürnberg Verfahren zum herstellen von halbleiterbauelementen
EP0224141A3 (fr) * 1985-11-21 1989-06-14 General Electric Company Dispositifs de puissance à semi-conducteur
US4681655A (en) * 1986-11-24 1987-07-21 Microelectronics And Computer Technology Corporation Electrical interconnect support system with low dielectric constant
US5040051A (en) * 1988-12-05 1991-08-13 Sundstrand Corporation Hydrostatic clamp and method for compression type power semiconductors
US5043739A (en) * 1990-01-30 1991-08-27 The United States Of America As Represented By The United States Department Of Energy High frequency rectenna
JP2799252B2 (ja) * 1991-04-23 1998-09-17 三菱電機株式会社 Ｍｏｓ型半導体装置およびその製造方法
US7745301B2 (en) * 2005-08-22 2010-06-29 Terapede, Llc Methods and apparatus for high-density chip connectivity
US8957511B2 (en) * 2005-08-22 2015-02-17 Madhukar B. Vora Apparatus and methods for high-density chip connectivity
CN104600101A (zh) * 2015-02-03 2015-05-06 清华大学 一种集成门极换流晶闸管芯片的双门极接触环阴极面结构
CN106601701B (zh) * 2017-01-19 2023-03-28 贵州煜立电子科技有限公司 大功率二端表面引出脚电子元器件立体封装方法及结构
CN109979998B (zh) * 2018-12-27 2024-02-09 清华大学 具备高电流冲击耐受能力的集成门极换流晶闸管器件

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007092A (en) * 1957-12-23 1961-10-31 Hughes Aircraft Co Semiconductor devices
NL242214A (fr) * 1958-08-11
US3222216A (en) * 1962-06-04 1965-12-07 Ibm Process for affixing ohmic contacts to photoconductor elements
US3453501A (en) * 1966-08-10 1969-07-01 Philco Ford Corp Metallization of silicon semiconductor devices for making ohmic connections thereto
US3545076A (en) * 1967-08-22 1970-12-08 Bosch Gmbh Robert Process of forming contacts on electrical parts,particularly silicon semiconductors
FR2254879B1 (fr) * 1973-12-12 1977-09-23 Alsthom Cgee
US3993515A (en) * 1975-03-31 1976-11-23 Rca Corporation Method of forming raised electrical contacts on a semiconductor device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2803253C1 (ru) * 2022-12-13 2023-09-11 Публичное Акционерное Общество "Электровыпрямитель" Способ изготовления силового полупроводникового прибора с прижимными контактами

Also Published As

Publication number Publication date
DE2801153A1 (de) 1978-07-20
GB1542229A (en) 1979-03-14
NL7800684A (nl) 1978-07-21
US4155155A (en) 1979-05-22
FR2378354B1 (fr) 1981-11-27
FR2378354A1 (fr) 1978-08-18
IT1089099B (it) 1985-06-10
CA1078528A (fr) 1980-05-27

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