JPS53142185A - Manufacture of walled emitter type semiconductor device - Google Patents

Manufacture of walled emitter type semiconductor device

Info

Publication number
JPS53142185A
JPS53142185A JP5642377A JP5642377A JPS53142185A JP S53142185 A JPS53142185 A JP S53142185A JP 5642377 A JP5642377 A JP 5642377A JP 5642377 A JP5642377 A JP 5642377A JP S53142185 A JPS53142185 A JP S53142185A
Authority
JP
Japan
Prior art keywords
manufacture
semiconductor device
type semiconductor
emitter type
walled emitter
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.)
Granted
Application number
JP5642377A
Other languages
Japanese (ja)
Other versions
JPS5538063B2 (en
Inventor
Takashi Ishikawa
Takaaki Mori
Takehisa Nitta
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 JP5642377A priority Critical patent/JPS53142185A/en
Publication of JPS53142185A publication Critical patent/JPS53142185A/en
Publication of JPS5538063B2 publication Critical patent/JPS5538063B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Bipolar Transistors (AREA)
  • Element Separation (AREA)

Abstract

PURPOSE: To prevent the space between the emitter and the collector from being narrowed extremely and thus to avoid occurrence of the short circuit, by avoiding the retreat of the bird beak through omission of the etchin gprocess to provide the opening for the emitter diffusion.
COPYRIGHT: (C)1978,JPO&Japio
JP5642377A 1977-05-18 1977-05-18 Manufacture of walled emitter type semiconductor device Granted JPS53142185A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5642377A JPS53142185A (en) 1977-05-18 1977-05-18 Manufacture of walled emitter type semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5642377A JPS53142185A (en) 1977-05-18 1977-05-18 Manufacture of walled emitter type semiconductor device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP10446481A Division JPS5743439A (en) 1981-07-06 1981-07-06 Selective oxidation isolation type semiconductor device

Publications (2)

Publication Number Publication Date
JPS53142185A true JPS53142185A (en) 1978-12-11
JPS5538063B2 JPS5538063B2 (en) 1980-10-02

Family

ID=13026681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5642377A Granted JPS53142185A (en) 1977-05-18 1977-05-18 Manufacture of walled emitter type semiconductor device

Country Status (1)

Country Link
JP (1) JPS53142185A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6345831A (en) * 1986-08-13 1988-02-26 Nec Corp Manufacture of semiconductor device
JP2007216984A (en) * 2006-02-14 2007-08-30 Fuji Seal International Inc Manufacturing method for labelled container and labelled container

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938116A (en) * 1982-08-27 1984-03-01 Shiraki Kinzoku Kogyo Kk Device for operating doors of air conditioner of automobile
JPS6137519A (en) * 1984-07-31 1986-02-22 Kojima Press Co Ltd Negative pressure type control device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6345831A (en) * 1986-08-13 1988-02-26 Nec Corp Manufacture of semiconductor device
JP2007216984A (en) * 2006-02-14 2007-08-30 Fuji Seal International Inc Manufacturing method for labelled container and labelled container

Also Published As

Publication number Publication date
JPS5538063B2 (en) 1980-10-02

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