Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Reexamination Certificate
2006-04-25
2006-04-25
Ahmed, Shamim (Department: 1765)
Electricity: conductors and insulators
Conduits, cables or conductors
Preformed panel circuit arrangement
C174S256000, C174S258000, C361S751000, C361S761000, C361S762000, C361S765000, C361S766000, C361S777000, C361S779000, C213S013000
Reexamination Certificate
active
07034231
ABSTRACT:
A process is revealed whereby resistors can be manufactured integral with a printed circuit board by plating the resistors onto the insulative substrate. Uniformization of the insulative substrate through etching and oxidation of the plated resistor are discussed as techniques for improving the uniformity and consistency of the plated resistors. Trimming and baking are also disclosed as methods for adjusting and stabilizing the resistance of the plated resistors.
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Castaldi Steven
Durso Frank
Fritz Dennis
Kukanskis Peter
Sawoska David
Ahmed Shamim
Carmody & Torrance LLP
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