Metal fusion bonding – Process – Plural joints
Reexamination Certificate
2007-09-24
2009-08-18
Stoner, Kiley (Department: 1793)
Metal fusion bonding
Process
Plural joints
C228S207000, C228S223000, C228S224000, C228S248100
Reexamination Certificate
active
07575150
ABSTRACT:
Soldering flux compositions, solder pastes, and methods of soldering using the same are provided, that exhibit excellent wettability, give highly reliable solder joints, and have superior storage stability. The flux composition contains at least one compound having at least one blocked carboxyl group selected from the group including compound (X) obtained by reaction of a carboxylic acid compound and a vinyl ether compound, compound (Y) obtained by reaction of a carboxylic acid anhydride compound and a hydroxy vinyl ether compound, and compound (Z) obtained by reaction of an acid anhydride and a polyhydric alcohol, followed by addition polymerization with a divinyl ether compound, and the flux composition is non-curing.
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Kato Yukihiro
Nakasato Katsumi
Nakata Isao
Saito Shun
Darby & Darby P.C.
NOF Corporation
Stoner Kiley
LandOfFree
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