JPS5441681A - Manufacture for high frequency transistor - Google Patents

Manufacture for high frequency transistor

Info

Publication number
JPS5441681A
JPS5441681A JP10861377A JP10861377A JPS5441681A JP S5441681 A JPS5441681 A JP S5441681A JP 10861377 A JP10861377 A JP 10861377A JP 10861377 A JP10861377 A JP 10861377A JP S5441681 A JPS5441681 A JP S5441681A
Authority
JP
Japan
Prior art keywords
manufacture
high frequency
frequency transistor
region
coated
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
JP10861377A
Other languages
Japanese (ja)
Inventor
Toshinobu Kita
Sadatake Kikuchi
Junichi Okano
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP10861377A priority Critical patent/JPS5441681A/en
Publication of JPS5441681A publication Critical patent/JPS5441681A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To avoid the disconnection of metallic wiring coated to the leement region, by providing the impruity layer having a gradient from the surface to the internal with the oxide film coated on the element region, and by causing taper at the edge when forming opening with etching.
COPYRIGHT: (C)1979,JPO&Japio
JP10861377A 1977-09-09 1977-09-09 Manufacture for high frequency transistor Pending JPS5441681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10861377A JPS5441681A (en) 1977-09-09 1977-09-09 Manufacture for high frequency transistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10861377A JPS5441681A (en) 1977-09-09 1977-09-09 Manufacture for high frequency transistor

Publications (1)

Publication Number Publication Date
JPS5441681A true JPS5441681A (en) 1979-04-03

Family

ID=14489231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10861377A Pending JPS5441681A (en) 1977-09-09 1977-09-09 Manufacture for high frequency transistor

Country Status (1)

Country Link
JP (1) JPS5441681A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57196858A (en) * 1981-05-28 1982-12-02 Japan Servo Co Ltd Flat armature
JPS58131177U (en) * 1982-03-01 1983-09-05 カルソニックカンセイ株式会社 flat motor
JPS6130946A (en) * 1984-07-19 1986-02-13 Matsushita Electric Ind Co Ltd Armature of flat coreless commutator motor
JPS61102903A (en) * 1984-10-26 1986-05-21 草竹　杉晃 Paving block
JPS62120503U (en) * 1986-12-18 1987-07-31
JPH01133551A (en) * 1987-09-30 1989-05-25 Shicoh Eng Co Ltd Five-phase d.c. motor in which armature winding is not overlapped
US7961563B2 (en) 2005-06-10 2011-06-14 Seiko Epson Corporation Media processor and control method of media processor

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57196858A (en) * 1981-05-28 1982-12-02 Japan Servo Co Ltd Flat armature
JPS6318430B2 (en) * 1981-05-28 1988-04-18 Japan Servo
JPS58131177U (en) * 1982-03-01 1983-09-05 カルソニックカンセイ株式会社 flat motor
JPS6130946A (en) * 1984-07-19 1986-02-13 Matsushita Electric Ind Co Ltd Armature of flat coreless commutator motor
JPS61102903A (en) * 1984-10-26 1986-05-21 草竹　杉晃 Paving block
JPS62120503U (en) * 1986-12-18 1987-07-31
JPS6338248Y2 (en) * 1986-12-18 1988-10-07
JPH01133551A (en) * 1987-09-30 1989-05-25 Shicoh Eng Co Ltd Five-phase d.c. motor in which armature winding is not overlapped
US7961563B2 (en) 2005-06-10 2011-06-14 Seiko Epson Corporation Media processor and control method of media processor

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