Hermetic attachment method for pressure sensors

Details Hermetic attachment method for pressure sensors Hermetic attachment method for pressure sensors

2007-07-13

2008-10-14

Allen, Andre J (Department: 2855)

Measuring and testing

Fluid pressure gauge

Mounting and connection

Reexamination Certificate

active

07434474

ABSTRACT:
A pressure sensor includes a sensor die coupled to a glass support tube and located within a metallic intermediate sleeve. The glass support tube is bonded or otherwise attached to the metallic intermediate sleeve with solder or other adhesive material. End portions of the glass support tube and the metallic intermediate sleeve are configured to have complementary, contoured surfaces such that at least a portion of an attachment layer located there between is placed in compression during operation of the pressure sensor.

REFERENCES:
patent: 4509880 (1985-04-01), Wamstad
patent: 5515732 (1996-05-01), Willcox et al.
patent: 5695590 (1997-12-01), Willcox et al.
patent: 6091022 (2000-07-01), Bodin
patent: 2002/0029639 (2002-03-01), Wagner et al.
patent: 2007/0013014 (2007-01-01), Guo et al.

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