Measuring and testing – Fluid pressure gauge – Diaphragm
Reexamination Certificate
2008-04-22
2008-04-22
Allen, Andre J. (Department: 2855)
Measuring and testing
Fluid pressure gauge
Diaphragm
C073S725000
Reexamination Certificate
active
07360430
ABSTRACT:
A resistive thin film (1) made of grains (3) of conductive material having an average size, in a dielectric medium (2) is characterized by the total thickness of the film (1) being between 3 and ten times the average size of the grains (3). The film (1) is used to make a cell of a pressure sensor and the cell is included in a shell of a pressure sensor.
REFERENCES:
patent: 4325048 (1982-04-01), Zaghi et al.
patent: 0526290 (1993-02-01), None
Allen Andre J.
Echols Brigitte
Kurka James
Schlumberger Technology Corporation
White Bryan
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