JPS5987845A - リ−ドフレ−ムの製造方法 - Google Patents

リ−ドフレ−ムの製造方法

Info

Publication number
JPS5987845A
JPS5987845A JP57196910A JP19691082A JPS5987845A JP S5987845 A JPS5987845 A JP S5987845A JP 57196910 A JP57196910 A JP 57196910A JP 19691082 A JP19691082 A JP 19691082A JP S5987845 A JPS5987845 A JP S5987845A
Authority
JP
Japan
Prior art keywords
etching
thickness
plate thickness
corrosion
plate material
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
JP57196910A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6240862B2 (enExample
Inventor
Suguru Ushijima
牛島　英
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.)
Toppan Inc
Original Assignee
Toppan Printing 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 Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP57196910A priority Critical patent/JPS5987845A/ja
Publication of JPS5987845A publication Critical patent/JPS5987845A/ja
Publication of JPS6240862B2 publication Critical patent/JPS6240862B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H10W70/042—

Landscapes

  • Lead Frames For Integrated Circuits (AREA)
JP57196910A 1982-11-10 1982-11-10 リ−ドフレ−ムの製造方法 Granted JPS5987845A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57196910A JPS5987845A (ja) 1982-11-10 1982-11-10 リ−ドフレ−ムの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57196910A JPS5987845A (ja) 1982-11-10 1982-11-10 リ−ドフレ−ムの製造方法

Publications (2)

Publication Number Publication Date
JPS5987845A true JPS5987845A (ja) 1984-05-21
JPS6240862B2 JPS6240862B2 (enExample) 1987-08-31

Family

ID=16365684

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57196910A Granted JPS5987845A (ja) 1982-11-10 1982-11-10 リ−ドフレ−ムの製造方法

Country Status (1)

Country Link
JP (1) JPS5987845A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5230144A (en) * 1991-04-03 1993-07-27 Seiko Epson Corporation Method of producing lead frame

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01107166U (enExample) * 1988-01-08 1989-07-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5230144A (en) * 1991-04-03 1993-07-27 Seiko Epson Corporation Method of producing lead frame

Also Published As

Publication number Publication date
JPS6240862B2 (enExample) 1987-08-31

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