Encapsulated electronic devices and encapsulating compositions

Details Encapsulated electronic devices and encapsulating compositions Encapsulated electronic devices and encapsulating compositions

1980-10-30

1983-08-02

Briggs, Sr., Wilbert J.

Electricity: conductors and insulators

Boxes and housings

Hermetic sealed envelope type

524 92, 524 95, 524107, 524108, 428542, C08K 506, C08K 535, H02G 1308

Patent

active

043967965

ABSTRACT:
An electronic device such as an integrated circuit is encapsulated within a silicone resin formulation having a protonated heterocyclic compound contained therein. The compound complexes with free anionic contaminants to form a non-migratory, non-corrosive protonated heterocyclic compound-anion complex, thereby preventing anionic attack of metallic circuit elements.

REFERENCES:
patent: 2555169 (1951-05-01), Voorthuis
patent: 3025269 (1962-03-01), Calfee
patent: 3247155 (1966-04-01), Frank et al.
patent: 4107180 (1978-08-01), Dye et al.
patent: 4116887 (1978-09-01), Lehn et al.
patent: 4117029 (1978-09-01), Katano
Chem. Abst. Kaneda et al., Mar. 1976, 85:39929Q.

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