JPS59139655A - 打ち抜き加工性に優れたリードフレーム材料 - Google Patents

打ち抜き加工性に優れたリードフレーム材料

Info

Publication number
JPS59139655A
JPS59139655A JP58012687A JP1268783A JPS59139655A JP S59139655 A JPS59139655 A JP S59139655A JP 58012687 A JP58012687 A JP 58012687A JP 1268783 A JP1268783 A JP 1268783A JP S59139655 A JPS59139655 A JP S59139655A
Authority
JP
Japan
Prior art keywords
less
lead frame
punching
temperature
annealed
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
JP58012687A
Other languages
English (en)
Japanese (ja)
Other versions
JPH059509B2 (enExample
Inventor
Shozo Abeyama
阿部山　尚三
Norihiko Yamada
敬彦 山田
Shinichiro Yahagi
慎一郎 矢萩
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel 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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP58012687A priority Critical patent/JPS59139655A/ja
Publication of JPS59139655A publication Critical patent/JPS59139655A/ja
Publication of JPH059509B2 publication Critical patent/JPH059509B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/40—Leadframes
    • H10W70/456—Materials

Landscapes

  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Lead Frames For Integrated Circuits (AREA)
JP58012687A 1983-01-31 1983-01-31 打ち抜き加工性に優れたリードフレーム材料 Granted JPS59139655A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58012687A JPS59139655A (ja) 1983-01-31 1983-01-31 打ち抜き加工性に優れたリードフレーム材料

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58012687A JPS59139655A (ja) 1983-01-31 1983-01-31 打ち抜き加工性に優れたリードフレーム材料

Publications (2)

Publication Number Publication Date
JPS59139655A true JPS59139655A (ja) 1984-08-10
JPH059509B2 JPH059509B2 (enExample) 1993-02-05

Family

ID=11812283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58012687A Granted JPS59139655A (ja) 1983-01-31 1983-01-31 打ち抜き加工性に優れたリードフレーム材料

Country Status (1)

Country Link
JP (1) JPS59139655A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0344447A (ja) * 1989-07-10 1991-02-26 Sumitomo Metal Ind Ltd 打抜き加工性にすぐれた鋼板

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5096418A (enExample) * 1973-12-27 1975-07-31
JPS5172916A (enExample) * 1974-12-23 1976-06-24 Daido Steel Co Ltd

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5096418A (enExample) * 1973-12-27 1975-07-31
JPS5172916A (enExample) * 1974-12-23 1976-06-24 Daido Steel Co Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0344447A (ja) * 1989-07-10 1991-02-26 Sumitomo Metal Ind Ltd 打抜き加工性にすぐれた鋼板

Also Published As

Publication number Publication date
JPH059509B2 (enExample) 1993-02-05

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