Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Reexamination Certificate
2008-09-02
2008-09-02
Klemanski, Helene (Department: 1793)
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
C106S001260
Reexamination Certificate
active
10558173
ABSTRACT:
There is provided a cyanide-free immersion type electroless gold plating liquid that is low in toxicity, can be used near a neutral ph, and has a good solder adhesion and plating film adhesion. The electroless gold plating liquid contains a cyanide-free water-soluble gold compound and a pyrosulfurous acid compound. The plating liquid may further contain a sulfurous acid compound and an aminocarboxylic acid compound. Pyrosulfurous acid or an alkali metal, alkaline earth metal, ammonium, or another such salt thereof can be used as the pyrosulfurous acid compound.
REFERENCES:
patent: 3300328 (1967-01-01), Luce
patent: 5232492 (1993-08-01), Krulik et al.
patent: 6787233 (2004-09-01), Molteberg et al.
patent: 2006/0269761 (2006-11-01), Aiba et al.
patent: 8-291389 (1996-11-01), None
patent: 10-130855 (1998-05-01), None
patent: 10-317157 (1998-12-01), None
patent: 3 030 113 (2000-02-01), None
patent: 2002-273239 (2002-09-01), None
patent: 2003-13249 (2003-01-01), None
Aiba Akihiro
Hisumi Yoshiyuki
Kawamura Kazumi
Flynn ,Thiel, Boutell & Tanis, P.C.
Klemanski Helene
Nikko Materials Co., Ltd.
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