The Effects of Plasma Treatment Prior to Conformal Coating

Published:

October 6, 2021

Author:

John D. Vanderford, Ann E. Paxton, and Dave Selestak

Abstract:

The corrosion of Nickel-Palladium-Gold (Ni-Pd-Au) finish terminals in humid environments is known to be reduced with the application of a conformal coating such as acrylic. Corrosion has a higher rate of occurrence around the terminal 'knee' of a surface mount component, which may be reduced with the application of conformal coatings. Although radio frequency (RF) plasma processing is generally known to enhance conformity of conformal coating to surfaces through ionic bombardment, the effect on the functionality of assembled printed circuit boards (PCB) is not as well known. The purpose of this study is to assess whether RF plasma processing can enhance the adhesive and coverage qualities of an acrylic conformal coating on PCBs...

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Company Information:

MARCH Products is the global leader in plasma cleaning equipment and plasma processing technology for PCB manufacturing and semiconductor packaging. The company has designed and manufactured plasma equipment for 35+ years.

Carlsbad, California, USA

Manufacturer

  • Phone 925.827.1240
  • Fax 925.827.1189

See Company Website »

Company Postings:

(7) products in the catalog

(3) technical library articles

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