JPS52178A - Pnp transistor - Google Patents

Pnp transistor

Info

Publication number
JPS52178A
JPS52178A JP7556775A JP7556775A JPS52178A JP S52178 A JPS52178 A JP S52178A JP 7556775 A JP7556775 A JP 7556775A JP 7556775 A JP7556775 A JP 7556775A JP S52178 A JPS52178 A JP S52178A
Authority
JP
Japan
Prior art keywords
pnp transistor
layer
resisting
exposing
collector
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
JP7556775A
Other languages
Japanese (ja)
Inventor
Takashi Azuma
Satoshi Meguro
Koichi Nagasawa
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 JP7556775A priority Critical patent/JPS52178A/en
Publication of JPS52178A publication Critical patent/JPS52178A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To enhance voltage-resisting and reliability of PNP transistor by exposing the intermediate between N-layer of the base thereof and P-layer of the collector thereof.
COPYRIGHT: (C)1977,JPO&Japio
JP7556775A 1975-06-23 1975-06-23 Pnp transistor Pending JPS52178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7556775A JPS52178A (en) 1975-06-23 1975-06-23 Pnp transistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7556775A JPS52178A (en) 1975-06-23 1975-06-23 Pnp transistor

Publications (1)

Publication Number Publication Date
JPS52178A true JPS52178A (en) 1977-01-05

Family

ID=13579874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7556775A Pending JPS52178A (en) 1975-06-23 1975-06-23 Pnp transistor

Country Status (1)

Country Link
JP (1) JPS52178A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1048059C (en) * 1994-06-09 2000-01-05 美马缝纫机制造股份有限公司 Flat chain sewing maching with upper feeding mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1048059C (en) * 1994-06-09 2000-01-05 美马缝纫机制造股份有限公司 Flat chain sewing maching with upper feeding mechanism

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