JPH0470096B2 - - Google Patents

Info

Publication number
JPH0470096B2
JPH0470096B2 JP15192784A JP15192784A JPH0470096B2 JP H0470096 B2 JPH0470096 B2 JP H0470096B2 JP 15192784 A JP15192784 A JP 15192784A JP 15192784 A JP15192784 A JP 15192784A JP H0470096 B2 JPH0470096 B2 JP H0470096B2
Authority
JP
Japan
Prior art keywords
punch
lead frame
width
metal strip
groove formed
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
Application number
JP15192784A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6130231A (ja
Inventor
Junichi Arai
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.)
Shinko Electric Industries Co Ltd
Original Assignee
Shinko Electric Industries 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 Shinko Electric Industries Co Ltd filed Critical Shinko Electric Industries Co Ltd
Priority to JP15192784A priority Critical patent/JPS6130231A/ja
Publication of JPS6130231A publication Critical patent/JPS6130231A/ja
Publication of JPH0470096B2 publication Critical patent/JPH0470096B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Punching Or Piercing (AREA)
JP15192784A 1984-07-20 1984-07-20 半導体装置用リ−ドフレ−ムのプレス加工方法 Granted JPS6130231A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15192784A JPS6130231A (ja) 1984-07-20 1984-07-20 半導体装置用リ−ドフレ−ムのプレス加工方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15192784A JPS6130231A (ja) 1984-07-20 1984-07-20 半導体装置用リ−ドフレ−ムのプレス加工方法

Publications (2)

Publication Number Publication Date
JPS6130231A JPS6130231A (ja) 1986-02-12
JPH0470096B2 true JPH0470096B2 (US06653308-20031125-C00197.png) 1992-11-10

Family

ID=15529239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15192784A Granted JPS6130231A (ja) 1984-07-20 1984-07-20 半導体装置用リ−ドフレ−ムのプレス加工方法

Country Status (1)

Country Link
JP (1) JPS6130231A (US06653308-20031125-C00197.png)

Also Published As

Publication number Publication date
JPS6130231A (ja) 1986-02-12

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