Air-gap insulator for short-term exposure to a high...

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices

Reexamination Certificate

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C361S818000, C361S824000, C206S521000, C174S0170SF

Reexamination Certificate

active

07023695

ABSTRACT:
A packaging system for electronic circuitry is provided. The electronic circuitry may be disposed upon a substrate, which can be encased or otherwise surrounded by one or more components of the packaging system. The packaging system may include (i) an inner housing that can encase or otherwise enclose the substrate within its confines; (ii) an outer housing that in turn encases or encloses the combination of the inner housing and the substrate within its confines; and (iii) one or more gaps positioned between the electronic circuitry, inner housing and outer housing. The gaps may be filled with fluid or solid insulating media. The combination of the inner housing, outer housing, and gaps can insulate the electronic circuitry from the detrimental and destructive heating effects when the packaging system experiences short-term exposure to a high temperature, which thereby allows operability before, during and after such exposure.

REFERENCES:
patent: 4123707 (1978-10-01), Fujii et al.
patent: 4440219 (1984-04-01), Engelder
patent: 4559790 (1985-12-01), Houston
patent: 4722026 (1988-01-01), Bennett et al.
patent: 4944401 (1990-07-01), Groenewegen
patent: 5123538 (1992-06-01), Groenewegen
patent: 5438162 (1995-08-01), Thompson et al.
patent: 5708565 (1998-01-01), Fairbanks
patent: 6143978 (2000-11-01), Ren et al.
patent: 6220346 (2001-04-01), Gissler
patent: 6771501 (2004-08-01), Coleman et al.
patent: 2003/0089512 (2003-05-01), Faltin et al.
PCT/US2004/029212 mailed Oct. 14, 2005.

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