Solder, method for processing surface of printed wiring board, and method for mounting electronic part

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United States of America Patent

PATENT NO 6702176
SERIAL NO

10011808

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Abstract

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A solder consists essentially of 1.0% to 4.0% of Ag by mass, 0.2% to 1.3% of Cu by mass, 0.02% to 0.06% of Co by mass, and the remaining of Sn and inevitable impurities.

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Patent Owner(s)

Patent OwnerAddress
KYOCERA CORPORATION6 TAKEDA TOBADONO-CHO FUSHIMI-KU KYOTO-SHI KYOTO 6128501 ?6128501

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hara, Shiro Aichi, JP 32 324
Ito, Toshihide Toyama, JP 54 255

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