Coating processes – With post-treatment of coating or coating material – Heating or drying
Reexamination Certificate
2005-02-21
2009-02-17
Zimmer, Marc S (Department: 1796)
Coating processes
With post-treatment of coating or coating material
Heating or drying
C524S268000, C524S492000, C524S588000, C516S137000, C516S139000, C516S144000, C516S191000, C528S025000
Reexamination Certificate
active
07491427
ABSTRACT:
[PROBLEMS] To provide a polyimidesiloxane solution composition that is excellent in defoaming ability and that can maintain the wettability of an outer lead bonded portion on a wiring board at a high level, even when it is applied on the surface of the wiring board and then cured, to form an insulating cured film.[MEANS FOR SOLVING PROBLEMS] A polyimidesiloxane solution composition which comprises an organic solvent, polyimidesiloxane soluble in the organic solvent, a curable components such as an epoxy compound and a polyvalent isocyanate compound, and a silicone defoamer, wherein the silicone defoaming agent comprises dimethylpolysiloxane, a polysiloxane compound having a hydrophilic group in a side chain or a terminal moiety, and a micro-powder silica.
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International Search Report, PCT/JP2005/002749, May 10, 2005.
International Preliminary Report on Patentability and Written Opinion of the International Searching Authority, PCT/JP2005/002749, Sep. 28, 2006.
Hayashi Koji
Hirashima Katsutoshi
Takabayashi Seiichirou
Tanaka Yoshiki
Butler Marc W.
Costellia Jeffrey L.
Nixon & Peabody LLP
UBE Industries Ltd.
Zimmer Marc S
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