JPS53139973A - Production of lead frame for semiconductor device - Google Patents

Production of lead frame for semiconductor device

Info

Publication number
JPS53139973A
JPS53139973A JP5443477A JP5443477A JPS53139973A JP S53139973 A JPS53139973 A JP S53139973A JP 5443477 A JP5443477 A JP 5443477A JP 5443477 A JP5443477 A JP 5443477A JP S53139973 A JPS53139973 A JP S53139973A
Authority
JP
Japan
Prior art keywords
production
semiconductor device
lead frame
notching
economically
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
JP5443477A
Other languages
Japanese (ja)
Other versions
JPS5933983B2 (en
Inventor
Katsuhiko Kusaka
Yutaka Yoshimura
Hisanobu Takahama
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 JP5443477A priority Critical patent/JPS5933983B2/en
Publication of JPS53139973A publication Critical patent/JPS53139973A/en
Publication of JPS5933983B2 publication Critical patent/JPS5933983B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Lead Frames For Integrated Circuits (AREA)

Abstract

PURPOSE:To produce lead frames economically with good pitch accuracy by notching the respective bridging parts between adjoining inner leads.
JP5443477A 1977-05-13 1977-05-13 Method for manufacturing lead frames for semiconductor devices Expired JPS5933983B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5443477A JPS5933983B2 (en) 1977-05-13 1977-05-13 Method for manufacturing lead frames for semiconductor devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5443477A JPS5933983B2 (en) 1977-05-13 1977-05-13 Method for manufacturing lead frames for semiconductor devices

Publications (2)

Publication Number Publication Date
JPS53139973A true JPS53139973A (en) 1978-12-06
JPS5933983B2 JPS5933983B2 (en) 1984-08-20

Family

ID=12970597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5443477A Expired JPS5933983B2 (en) 1977-05-13 1977-05-13 Method for manufacturing lead frames for semiconductor devices

Country Status (1)

Country Link
JP (1) JPS5933983B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57210651A (en) * 1981-06-19 1982-12-24 Toshiba Corp Lead frame and manufacture thereof
JPS58593U (en) * 1981-06-25 1983-01-05 松下電器産業株式会社 speaker
JPS5947780A (en) * 1982-09-13 1984-03-17 Toshiba Corp Lead frame for semiconductor
JPS60144248U (en) * 1984-03-02 1985-09-25 ロ−ム株式会社 lead frame
JPS61141164A (en) * 1984-12-13 1986-06-28 Tamagawa Kikai Kinzoku Kk Manufacture process and apparatus for frame for semiconductor device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57210651A (en) * 1981-06-19 1982-12-24 Toshiba Corp Lead frame and manufacture thereof
JPS6252951B2 (en) * 1981-06-19 1987-11-07 Tokyo Shibaura Electric Co
JPS58593U (en) * 1981-06-25 1983-01-05 松下電器産業株式会社 speaker
JPS5947780A (en) * 1982-09-13 1984-03-17 Toshiba Corp Lead frame for semiconductor
JPS6347344B2 (en) * 1982-09-13 1988-09-21 Tokyo Shibaura Electric Co
JPS60144248U (en) * 1984-03-02 1985-09-25 ロ−ム株式会社 lead frame
JPS61141164A (en) * 1984-12-13 1986-06-28 Tamagawa Kikai Kinzoku Kk Manufacture process and apparatus for frame for semiconductor device
JPH0143460B2 (en) * 1984-12-13 1989-09-20 Mitsubishi Shindo Kk

Also Published As

Publication number Publication date
JPS5933983B2 (en) 1984-08-20

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