Method for particle entrapment within an electrical device packa

Details Method for particle entrapment within an electrical device packa Method for particle entrapment within an electrical device packa

1981-10-26

1983-05-10

Rutledge, L. Dewayne

Metal working

Method of mechanical manufacture

Assembling or joining

29841, 174 52PE, 174 52H, H01L 2148, H01L 2152, H01L 2154, H01L 2156

Patent

active

043823270

ABSTRACT:
An electrical device consisting of a package 10 comprising a base 11 and a lid 15 and an operation element 17 contained within the package. A particle getter 19 is disposed on the lid 15 for entrapping and retaining foreign particles contained within the package 10. A method for protecting the operational element 17 of such an electrical device from the particles is disclosed wherein a polysiloxane material is partially cured with less than about 9 parts of a suitable curing agent to 100 parts of polysiloxane resin to a non-flowing, particle entrapping and retaining condition and the partially cured material is secured within the package.

REFERENCES:
patent: 2748326 (1956-05-01), Ingraham
patent: 2902633 (1959-08-01), Durst et al.
patent: 2987799 (1961-06-01), North
patent: 2988676 (1961-06-01), North
patent: 3770847 (1973-11-01), Lengnick et al.

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