Process for forming a room temperature seal between a base cavit

Details Process for forming a room temperature seal between a base cavit Process for forming a room temperature seal between a base cavit

1995-03-23

1997-06-24

Graybill, David E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

257704, 257710, 438118, 1562755, H01L 2152

Patent

active

056417136

ABSTRACT:
A process for manufacturing hermetically cold weld sealed package and method for sealing where a metal seal member 28 is placed along the edge of a base 36, an organic sealant 26 is placed along the outside of the base adjacent the metal seal member 28, and a lid 30 is placed over the base 36 to create a hermetically sealed cavity 46. The process takes place at room temperature environment in an inert environment, and no heating of the metal sealing member 28 is required. The shrinkage of the organic sealant 26 during curing applies pressure to the metal seal member 28, enhancing the effectiveness of the hermetic seal.

REFERENCES:
patent: 4382327 (1983-05-01), Bardens et al.
patent: 4818730 (1989-04-01), Smith III et al.
patent: 5293511 (1994-03-01), Poradish et al.
Hanson, et al "Uncooled Thermal Imaging"; Texas Instruments Technical Journal, vol. 11, No. 5. Sep.-Oct. 1994 pp. 2-10.
Neal, et al "Texas Instruments Uncooled Infrared Systems"; Texas Instruments Technical Journal, vol. 11, No. 5. Sep.-Oct. 1994 pp. 11-18.
Witter, et al "Pyroelectric Materials for Uncooled IR Detectors"; Texas Instruments Technical Journal, vol. 11, No. 5. Sep.-Oct. 1994 pp. 19-26.
Belcher, et al "Uncooled Infrared Detector Processing"; Texas Instruments Technical Journal, vol. 11, No. 5. Sep.-Oct. 1994 pp. 27-36.

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