Title: Electrical resistor package which remains unaffected by ambient stresses and humidity

Abstract: The present electrical resistor package has a naked electrical resistor element which is designed to provide quantitative resistance to electrical current flow, said element is initially encapsulated in a flexible coating, such as silicone wax, which absorbs stresses and is secondarily encapsulated around said flexible coating, in a cushion type moisture barrier coating, such as silicone rubber, to keep moisture away from said element and finally is encapsulated around said moisture barrier coating by a hard protective coating, such as epoxy, to protect the nak ed element from physical and environmental damage.

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Inventors: Thompson, Edward E. (Westmont, NJ, US)

Application Number: 877251
Filing Date: 1978-02-13
Publication_date: 1979-05-01
Assignee: American Components Inc. (Conshohocken, PA)
Primary Class(es): 338/254 338/226
Other Classes:
US Patent Ref:

2448856	Sep, 1948	Bohannon	338/230.
2734978	Feb, 1956	Bulgin	338/262.
3405381	Oct, 1968	Zandman et al.	338/254.
3517436	Jun, 1970	Zandman et al.	29/613.

Other Refs:
Primary Examiner: Albritton, C. L.
Assistant Examiner:
Attorney: Cleaver; William E.