JPS5431286A - Thyristor - Google Patents

Thyristor

Info

Publication number
JPS5431286A
JPS5431286A JP9737677A JP9737677A JPS5431286A JP S5431286 A JPS5431286 A JP S5431286A JP 9737677 A JP9737677 A JP 9737677A JP 9737677 A JP9737677 A JP 9737677A JP S5431286 A JPS5431286 A JP S5431286A
Authority
JP
Japan
Prior art keywords
cathode
thyristor
layer
current
reaching
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.)
Pending
Application number
JP9737677A
Other languages
Japanese (ja)
Inventor
Toshihiko Aimi
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP9737677A priority Critical patent/JPS5431286A/en
Publication of JPS5431286A publication Critical patent/JPS5431286A/en
Pending legal-status Critical Current

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
    • H01L29/02—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
    • H01L29/083—Anode or cathode regions of thyristors or gated bipolar-mode devices
    • H01L29/0839—Cathode regions of thyristors

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Thyristors (AREA)

Abstract

PURPOSE:To avoid the current concentration at the periphery of the cathode and thus to increase the current surge limit quantity, by providing a groove not reaching the gate layer to the cathode layer.
JP9737677A 1977-08-12 1977-08-12 Thyristor Pending JPS5431286A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9737677A JPS5431286A (en) 1977-08-12 1977-08-12 Thyristor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9737677A JPS5431286A (en) 1977-08-12 1977-08-12 Thyristor

Publications (1)

Publication Number Publication Date
JPS5431286A true JPS5431286A (en) 1979-03-08

Family

ID=14190785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9737677A Pending JPS5431286A (en) 1977-08-12 1977-08-12 Thyristor

Country Status (1)

Country Link
JP (1) JPS5431286A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025792A (en) * 1973-07-16 1975-03-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025792A (en) * 1973-07-16 1975-03-18

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