Protection of devices

Details Protection of devices Protection of devices

1998-03-26

1999-09-28

Cain, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

252503, 428924, 428926, 524496, C08K 300

Patent

active

059590211

ABSTRACT:
The present invention is a process for protecting articles from electrostatic discharge (ESD) in which a coating is applied directly onto the article in liquid form and the resulting coating provides a surface resistivity that protects the underlying article from ESD. The composition contains a carrier material, carbon black, and a transition metal. The composition forms a coating on an article when applied as a liquid and dried thereon. The ratio of carrier solids to carbon black is about 100 parts by weight polymer to about 0.5 to about 3 parts by weight carbon black. The ratio of carrier solids to transition metal is about 100 parts by weight about 6 to about 15 parts by weight transition metal.

REFERENCES:
patent: 5154886 (1992-10-01), Franey et al.
patent: 5756007 (1998-05-01), Franey

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