JPS53127271A - Semiconductor device - Google Patents

Semiconductor device

Info

Publication number
JPS53127271A
JPS53127271A JP4289377A JP4289377A JPS53127271A JP S53127271 A JPS53127271 A JP S53127271A JP 4289377 A JP4289377 A JP 4289377A JP 4289377 A JP4289377 A JP 4289377A JP S53127271 A JPS53127271 A JP S53127271A
Authority
JP
Japan
Prior art keywords
semiconductor device
base
region
iebo
icbo
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
JP4289377A
Other languages
Japanese (ja)
Inventor
Hirotake Nagai
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP4289377A priority Critical patent/JPS53127271A/en
Publication of JPS53127271A publication Critical patent/JPS53127271A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve the characteristics of IEBO, ICBO, and hFE, by covering the surface of the base region other than an emitter region with a high impurity concentration layer of the same conduction type as the base.
COPYRIGHT: (C)1978,JPO&Japio
JP4289377A 1977-04-13 1977-04-13 Semiconductor device Pending JPS53127271A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4289377A JPS53127271A (en) 1977-04-13 1977-04-13 Semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4289377A JPS53127271A (en) 1977-04-13 1977-04-13 Semiconductor device

Publications (1)

Publication Number Publication Date
JPS53127271A true JPS53127271A (en) 1978-11-07

Family

ID=12648703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4289377A Pending JPS53127271A (en) 1977-04-13 1977-04-13 Semiconductor device

Country Status (1)

Country Link
JP (1) JPS53127271A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5516469A (en) * 1978-07-21 1980-02-05 Nec Corp Method of producing semiconductor device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5516469A (en) * 1978-07-21 1980-02-05 Nec Corp Method of producing semiconductor device

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