Chemistry: electrical and wave energy – Apparatus – Electrolytic
Reexamination Certificate
2003-03-17
2008-11-11
Wilkins, III, Harry D (Department: 1795)
Chemistry: electrical and wave energy
Apparatus
Electrolytic
C204S230200, C204S230700
Reexamination Certificate
active
07449089
ABSTRACT:
To avoid voids in the metal layer in holes of printed circuit boards, a conveyorized plating line and a method for electrolytically metal plated printed circuit boards are proposed which provide measures for reducing an electric voltage that builds up between adjacent printed circuit boards being conveyed through the line.
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Patent Abstracts of Japan, vol. 009, No. 241, Sep. 27, 1985, Shin Nippon Seitetsu.
Atotech Deutschland GmbH
Paul & Paul
Wilkins, III Harry D
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