JPH059509B2 - - Google Patents

Info

Publication number
JPH059509B2
JPH059509B2 JP58012687A JP1268783A JPH059509B2 JP H059509 B2 JPH059509 B2 JP H059509B2 JP 58012687 A JP58012687 A JP 58012687A JP 1268783 A JP1268783 A JP 1268783A JP H059509 B2 JPH059509 B2 JP H059509B2
Authority
JP
Japan
Prior art keywords
less
punching
lead frame
frame material
workability
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.)
Expired - Lifetime
Application number
JP58012687A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59139655A (ja
Inventor
Shozo Abeyama
Norihiko Yamada
Shinichiro Yahagi
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 JPS59139655A (ja) 1984-08-10
JPH059509B2 true 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0762208B2 (ja) * 1989-07-10 1995-07-05 住友金属工業株式会社 打抜き加工性にすぐれた鋼板

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5757548B2 (enExample) * 1973-12-27 1982-12-04 Daido Steel Co Ltd
JPS5172916A (enExample) * 1974-12-23 1976-06-24 Daido Steel Co Ltd

Also Published As

Publication number Publication date
JPS59139655A (ja) 1984-08-10

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