Printed circuit board coating and method

Stock material or miscellaneous articles – Composite – Of epoxy ether

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Details

428414, 428901, 361762, 257687, B32B 1508

Patent

active

061270385

ABSTRACT:
A conformal coating and method for applying same to a printed electrical circuit board, components and leads for providing corrosion resistance. In a preferred embodiment, the conformal coating comprises a first coating layer of parylene which is vacuum deposited and removably bonded onto an ultra-clean surface of a printed circuit board including attached components and leads. Additionally, a second coating layer of a corrosion inhibiting viscous fluid is deposited onto the first coating layer to form a continuous, stratified, conformal coating which is sealed and corrosion resistant.

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