Pressure sensor adapted for use with a component carrier

Details Pressure sensor adapted for use with a component carrier Pressure sensor adapted for use with a component carrier

1992-10-16

1994-10-04

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

296211, 73720, 73721, 73726, 73756, 338 4, G01L 708, G01L 906

Patent

active

053515501

ABSTRACT:
A pressure transducer is provided with a housing member that attaches to a rigid and generally planar member, such as a ceramic circuit board. The legs of the housing member can pass through holes in the circuit board or, alternatively, can attach to edges thereof. The legs of the housing are provided with bails which have steps shaped to seize the circuit board after the legs are flexed to permit insertion of the board between them. The housing is provided with an opening that is shaped to receive a media seal, a pressure sensor die and a conductive seal between a surface of the opening and a surface of the ceramic circuit board. When the circuit board is attached to the housing, the seals and the pressure sensor die are compressed therebetween to provide good fluid sealing association between the components and to also provide electrical communication between components on the pressure sensor die and components on the circuit board. An alternative embodiment of the present invention comprises two housing members that are attached to opposite sides of the same circuit board so that a differential pressure can be measured.

REFERENCES:
patent: 4609966 (1986-09-01), Kuisma
patent: 4612599 (1986-09-01), Ziegler
patent: 4656454 (1987-04-01), Rosenberger
patent: 4721938 (1988-01-01), Stevenson
patent: 4876893 (1989-10-01), Kato et al.
patent: 4889590 (1989-12-01), Tucker et al.
patent: 4895026 (1990-01-01), Tada
patent: 5081867 (1992-01-01), Yamada
patent: 5184107 (1993-02-01), Maurer

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