Method of making a pressure transmitter having pressure sensor h

Details Method of making a pressure transmitter having pressure sensor h Method of making a pressure transmitter having pressure sensor h

1998-04-24

1999-12-21

Hall, Carl E.

Metal working

Electric condenser making

73718, 73724, 361283, 451 41, 451 53, H01G 502

Patent

active

060032197

ABSTRACT:
A pressure transmitter having a pressure sensor includes a first half cell and a second half cell. The first half cell includes a first recess formed therein filled with brittle material and having a first sensor surface formed thereon. The second half cell is coupled to the first half cell and includes a second recess formed therein which opposes the first recess and is filled with brittle material having a second sensor surface formed thereon. A diaphragm is positioned between the first and second sensor surfaces. The diaphragm deflects in response to applied pressure. The first and second sensor surfaces comprise heated surfaces.

REFERENCES:
patent: 3618390 (1971-11-01), Frick
patent: 5624760 (1997-04-01), Collins et al.

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