JPS56104465A - Semiconductor device - Google Patents

Semiconductor device

Info

Publication number
JPS56104465A
JPS56104465A JP687380A JP687380A JPS56104465A JP S56104465 A JPS56104465 A JP S56104465A JP 687380 A JP687380 A JP 687380A JP 687380 A JP687380 A JP 687380A JP S56104465 A JPS56104465 A JP S56104465A
Authority
JP
Japan
Prior art keywords
emitter
base
region
type
regions
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
JP687380A
Other languages
English (en)
Inventor
Akio Ando
Nobukatsu Tanaka
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP687380A priority Critical patent/JPS56104465A/ja
Publication of JPS56104465A publication Critical patent/JPS56104465A/ja
Pending legal-status Critical Current

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
    • H01L29/02Semiconductor 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
    • H01L29/0804Emitter regions of bipolar transistors

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)
  • Bipolar Transistors (AREA)
  • Bipolar Integrated Circuits (AREA)
JP687380A 1980-01-25 1980-01-25 Semiconductor device Pending JPS56104465A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP687380A JPS56104465A (en) 1980-01-25 1980-01-25 Semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP687380A JPS56104465A (en) 1980-01-25 1980-01-25 Semiconductor device

Publications (1)

Publication Number Publication Date
JPS56104465A true JPS56104465A (en) 1981-08-20

Family

ID=11650338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP687380A Pending JPS56104465A (en) 1980-01-25 1980-01-25 Semiconductor device

Country Status (1)

Country Link
JP (1) JPS56104465A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187562A (en) * 1989-10-30 1993-02-16 Siemens Aktiengesellschaft Input protection structure for integrated circuits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187562A (en) * 1989-10-30 1993-02-16 Siemens Aktiengesellschaft Input protection structure for integrated circuits

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