Conformal tribocharge-reducing coating

Details Conformal tribocharge-reducing coating Conformal tribocharge-reducing coating

2007-07-03

2007-07-03

Kopec, Mark (Department: 1751)

Compositions

Electrically conductive or emissive compositions

C427S096400, C427S096100

Reexamination Certificate

active

10983268

ABSTRACT:
Tribocharging-reducing conformal coating are provided for a flexible circuit, which reduce tribocharge voltage of a coated flexible circuit to less than about 15V, preferably less than about 10 V. Coating formulations include at least about 1% of a polypyrrole. Flexible circuits having a tribocharge voltage of less than about 15V, preferably less than about a 10V comprise at least one polymeric dielectric substrate, and a conductive layer formed thereon including at least one conductive element such as a trace, bond pad and/or a lead device, and a layer of a conformal coating wherein the conformal coating comprising at least about 1% of a polypyrrole compound.

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patent: 6482521 (2002-11-01), Lee et al.
patent: 6849800 (2005-02-01), Mazurkiewicz

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