Inventor
MASUDA MATSUO
JP5 patents
Patents
5 patentsUS6646330B2Nov 11, 2003
Lead frame for semiconductor device, process for producing the same and semiconductor device using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations94
US6087714AJul 11, 2000
Semiconductor devices having tin-based solder film containing no lead and process for producing the devices
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD74 citations94
US6395583B1May 28, 2002
Semiconductor device with a coating of Pb-free Sn-base solder and manufacturing method therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations91
US6677056B2Jan 13, 2004
Method for producing tin-silver alloy plating film, the tin-silver alloy plating film and lead frame for electronic parts having the plating film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations72
US6575354B2Jun 10, 2003
Method for producing tin-silver alloy plating film, the tin-silver alloy plating film and lead frame for electronic parts having the film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations72