JPS5368175A - Semiconductor device - Google Patents

Semiconductor device

Info

Publication number
JPS5368175A
JPS5368175A JP14426076A JP14426076A JPS5368175A JP S5368175 A JPS5368175 A JP S5368175A JP 14426076 A JP14426076 A JP 14426076A JP 14426076 A JP14426076 A JP 14426076A JP S5368175 A JPS5368175 A JP S5368175A
Authority
JP
Japan
Prior art keywords
semiconductor device
base layer
type
transistor
portions
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
JP14426076A
Other languages
Japanese (ja)
Inventor
Tomokazu Maki
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 JP14426076A priority Critical patent/JPS5368175A/en
Publication of JPS5368175A publication Critical patent/JPS5368175A/en
Pending legal-status Critical Current

Links

Landscapes

  • Bipolar Transistors (AREA)
  • Electrodes Of Semiconductors (AREA)

Abstract

PURPOSE: To produce a transistor of high frequency and large power operation and a high gain by forming part of the base layer under the base electrode of P type poly-Si on a P type base layer surface to a conductivity lower than that of other portions.
COPYRIGHT: (C)1978,JPO&Japio
JP14426076A 1976-11-30 1976-11-30 Semiconductor device Pending JPS5368175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14426076A JPS5368175A (en) 1976-11-30 1976-11-30 Semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14426076A JPS5368175A (en) 1976-11-30 1976-11-30 Semiconductor device

Publications (1)

Publication Number Publication Date
JPS5368175A true JPS5368175A (en) 1978-06-17

Family

ID=15357950

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14426076A Pending JPS5368175A (en) 1976-11-30 1976-11-30 Semiconductor device

Country Status (1)

Country Link
JP (1) JPS5368175A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02290028A (en) * 1989-04-28 1990-11-29 Tokai Rika Co Ltd Bipolar transistor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02290028A (en) * 1989-04-28 1990-11-29 Tokai Rika Co Ltd Bipolar transistor

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