Organopolysiloxane composition and electronic part...

Details Organopolysiloxane composition and electronic part... Organopolysiloxane composition and electronic part...

2007-12-18

2007-12-18

Peng, Kuo-Liang (Department: 1712)

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...

C524S403000, C524S413000

Reexamination Certificate

active

10941884

ABSTRACT:
An organopolysiloxane composition which contains from 0.01% to less than 0.5% by weight of a sulfidable metal powder is provided. When a silver-containing precision electronic part is encapsulated or sealed with the cured composition, the metal powder in the cured composition is sulfided with sulfur-containing gas, thereby preventing or retarding the corrosion of the encapsulated or sealed electronic part with the sulfur-containing gas.

REFERENCES:
patent: 6040362 (2000-03-01), Mine et al.
patent: 2003/0105206 (2003-06-01), Hara et al.
patent: 2003-96301 (2003-04-01), None

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