JPS6227546B2 - - Google Patents

Info

Publication number
JPS6227546B2
JPS6227546B2 JP7647478A JP7647478A JPS6227546B2 JP S6227546 B2 JPS6227546 B2 JP S6227546B2 JP 7647478 A JP7647478 A JP 7647478A JP 7647478 A JP7647478 A JP 7647478A JP S6227546 B2 JPS6227546 B2 JP S6227546B2
Authority
JP
Japan
Prior art keywords
lead frame
hole
solder
lead
film
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
JP7647478A
Other languages
English (en)
Japanese (ja)
Other versions
JPS554919A (en
Inventor
Masao Sekihashi
Masakatsu Ishida
Kanji Ootsuka
Isao Sugitani
Tamotsu Usami
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7647478A priority Critical patent/JPS554919A/ja
Publication of JPS554919A publication Critical patent/JPS554919A/ja
Publication of JPS6227546B2 publication Critical patent/JPS6227546B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lead Frames For Integrated Circuits (AREA)
JP7647478A 1978-06-26 1978-06-26 Method of form solder film on perforrated base material Granted JPS554919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7647478A JPS554919A (en) 1978-06-26 1978-06-26 Method of form solder film on perforrated base material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7647478A JPS554919A (en) 1978-06-26 1978-06-26 Method of form solder film on perforrated base material

Publications (2)

Publication Number Publication Date
JPS554919A JPS554919A (en) 1980-01-14
JPS6227546B2 true JPS6227546B2 (enrdf_load_stackoverflow) 1987-06-15

Family

ID=13606169

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7647478A Granted JPS554919A (en) 1978-06-26 1978-06-26 Method of form solder film on perforrated base material

Country Status (1)

Country Link
JP (1) JPS554919A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS554919A (en) 1980-01-14

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