GB1172772A - Semiconductor Devices. - Google Patents

Semiconductor Devices.

Info

Publication number
GB1172772A
GB1172772A GB33412/67A GB3341267A GB1172772A GB 1172772 A GB1172772 A GB 1172772A GB 33412/67 A GB33412/67 A GB 33412/67A GB 3341267 A GB3341267 A GB 3341267A GB 1172772 A GB1172772 A GB 1172772A
Authority
GB
United Kingdom
Prior art keywords
exposed
gold
semi
annulus
perforations
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB33412/67A
Other languages
English (en)
Inventor
Clifford Victor Miles
John Mansell Garrett
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Brake English Electric Semi Conductors Ltd
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake English Electric Semi Conductors Ltd
Westinghouse Brake and Signal Co Ltd
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 Westinghouse Brake English Electric Semi Conductors Ltd, Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake English Electric Semi Conductors Ltd
Priority to GB33412/67A priority Critical patent/GB1172772A/en
Priority to NL6809885A priority patent/NL6809885A/xx
Priority to DE1764663A priority patent/DE1764663B2/de
Priority to US744660A priority patent/US3633271A/en
Priority to FR1574472D priority patent/FR1574472A/fr
Priority to CH1083268A priority patent/CH497047A/de
Priority to AT699268A priority patent/AT281121B/de
Publication of GB1172772A publication Critical patent/GB1172772A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D99/00Subject matter not provided for in other groups of this subclass
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S438/00Semiconductor device manufacturing: process
    • Y10S438/904Charge carrier lifetime control
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S438/00Semiconductor device manufacturing: process
    • Y10S438/959Mechanical polishing of wafer

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Thyristors (AREA)
  • Electrodes Of Semiconductors (AREA)
GB33412/67A 1967-07-20 1967-07-20 Semiconductor Devices. Expired GB1172772A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB33412/67A GB1172772A (en) 1967-07-20 1967-07-20 Semiconductor Devices.
NL6809885A NL6809885A (enrdf_load_stackoverflow) 1967-07-20 1968-07-12
DE1764663A DE1764663B2 (de) 1967-07-20 1968-07-13 Verfahren zur Herstellung eines Halbleiterbauelementes
US744660A US3633271A (en) 1967-07-20 1968-07-15 Semiconductor devices
FR1574472D FR1574472A (enrdf_load_stackoverflow) 1967-07-20 1968-07-17
CH1083268A CH497047A (de) 1967-07-20 1968-07-19 Verfahren zur Herstellung einer mehrere Zonen und mehrere pn-Übergänge aufweisenden Halbleitervorrichtung
AT699268A AT281121B (de) 1967-07-20 1968-07-19 Verfahren zur Herstellung einer mehrere Zonen und mehrere Übergänge aufweisenden Halbleitervorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33412/67A GB1172772A (en) 1967-07-20 1967-07-20 Semiconductor Devices.

Publications (1)

Publication Number Publication Date
GB1172772A true GB1172772A (en) 1969-12-03

Family

ID=10352623

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33412/67A Expired GB1172772A (en) 1967-07-20 1967-07-20 Semiconductor Devices.

Country Status (7)

Country Link
US (1) US3633271A (enrdf_load_stackoverflow)
AT (1) AT281121B (enrdf_load_stackoverflow)
CH (1) CH497047A (enrdf_load_stackoverflow)
DE (1) DE1764663B2 (enrdf_load_stackoverflow)
FR (1) FR1574472A (enrdf_load_stackoverflow)
GB (1) GB1172772A (enrdf_load_stackoverflow)
NL (1) NL6809885A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE759754A (fr) * 1969-12-02 1971-05-17 Licentia Gmbh Thyristor avec emetteur court-circuite a l'une des faces principales aumoins du disque de thyristor et procede de production du thyristor
US3964090A (en) * 1971-12-24 1976-06-15 Semikron Gesellschaft Fur Gleichrichterbau Und Elektronid M.B.H. Semiconductor controlled rectifier
FR2268355B1 (enrdf_load_stackoverflow) * 1974-04-16 1978-01-20 Thomson Csf

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973569A (en) * 1953-06-26 1961-03-07 Sylvania Electric Prod Semiconductor assembly methods
US3336160A (en) * 1963-11-06 1967-08-15 Gen Motors Corp Method of making contacts on semiconductors
DE1239778B (de) * 1963-11-16 1967-05-03 Siemens Ag Schaltbares Halbleiterbauelement von pnpn-Typ

Also Published As

Publication number Publication date
DE1764663A1 (de) 1971-10-07
NL6809885A (enrdf_load_stackoverflow) 1969-01-22
CH497047A (de) 1970-09-30
AT281121B (de) 1970-05-11
FR1574472A (enrdf_load_stackoverflow) 1969-07-11
DE1764663B2 (de) 1978-05-18
US3633271A (en) 1972-01-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee