JPS5326581A - Semiconductor unit - Google Patents

Semiconductor unit

Info

Publication number
JPS5326581A
JPS5326581A JP10057176A JP10057176A JPS5326581A JP S5326581 A JPS5326581 A JP S5326581A JP 10057176 A JP10057176 A JP 10057176A JP 10057176 A JP10057176 A JP 10057176A JP S5326581 A JPS5326581 A JP S5326581A
Authority
JP
Japan
Prior art keywords
layer
semiconductor unit
layer thickness
pressureproof
centralizing
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
JP10057176A
Other languages
Japanese (ja)
Inventor
Hisashi Toki
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 JP10057176A priority Critical patent/JPS5326581A/en
Publication of JPS5326581A publication Critical patent/JPS5326581A/en
Pending legal-status Critical Current

Links

Landscapes

  • Bipolar Transistors (AREA)
  • Thyristors (AREA)

Abstract

PURPOSE: In a bevel-shaped semiconductor unit with a PN layer where reverse bias is applied, the layer thickness around the Si layer which will be a collector layer is made larger than the layer thickness at the center which is limited in characteristic, thereby preventing the electric field from centralizing to improve pressureproof efficiency.
COPYRIGHT: (C)1978,JPO&Japio
JP10057176A 1976-08-25 1976-08-25 Semiconductor unit Pending JPS5326581A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10057176A JPS5326581A (en) 1976-08-25 1976-08-25 Semiconductor unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10057176A JPS5326581A (en) 1976-08-25 1976-08-25 Semiconductor unit

Publications (1)

Publication Number Publication Date
JPS5326581A true JPS5326581A (en) 1978-03-11

Family

ID=14277582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10057176A Pending JPS5326581A (en) 1976-08-25 1976-08-25 Semiconductor unit

Country Status (1)

Country Link
JP (1) JPS5326581A (en)

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