Electrostatic pressure sensor with porous dielectric diaphragm

Details Electrostatic pressure sensor with porous dielectric diaphragm Electrostatic pressure sensor with porous dielectric diaphragm

2007-05-16

2011-12-20

Caputo, Lisa (Department: 2855)

Measuring and testing

Fluid pressure gauge

Diaphragm

C073S716000, C073S717000, C073S723000, C073S724000, C361S283100, C361S283400

Reexamination Certificate

active

08079269

ABSTRACT:
A pressure sensor comprises a first pressure chamber containing fill fluid at a first pressure, a second pressure chamber containing fill fluid at a second pressure, a porous dielectric diaphragm having first and second major surfaces exposed to the first and second pressure chambers, and first and second electrodes positioned with respect to the first and second major surfaces. A method for sensing pressure is also disclosed, comprising applying first and second pressures to fill fluid in first and second pressure chambers of a pressure sensor having a porous dielectric diaphragm, and producing an output representative of a pressure differential between the pressures, as a function of surface charges on first and second major surfaces of the porous dielectric diaphragm.

REFERENCES:
patent: 3424953 (1969-01-01), Bean
patent: 3814998 (1974-06-01), Thoma et al.
patent: 4020235 (1977-04-01), Giuffre et al.
patent: 4169389 (1979-10-01), Yasuhara et al.
patent: 4186076 (1980-01-01), de Nora et al.
patent: 4311566 (1982-01-01), McCann
patent: 4606805 (1986-08-01), Bon
patent: 4645572 (1987-02-01), Nishizawa et al.
patent: 5215644 (1993-06-01), Ashikaga
patent: 5561247 (1996-10-01), Mutoh et al.
patent: 5608154 (1997-03-01), Kato et al.
patent: 5705751 (1998-01-01), Briefer et al.
patent: 6012902 (2000-01-01), Parce
patent: 6013164 (2000-01-01), Paul et al.
patent: 6019882 (2000-02-01), Paul et al.
patent: 6171067 (2001-01-01), Parce
patent: 6277257 (2001-08-01), Paul et al.
patent: 6295875 (2001-10-01), Frick et al.
patent: 6370959 (2002-04-01), Schwager
patent: 6394759 (2002-05-01), Parce
patent: 6532386 (2003-03-01), Sun et al.
patent: 6568275 (2003-05-01), Scholz et al.
patent: 6568910 (2003-05-01), Parce
patent: 6572749 (2003-06-01), Paul et al.
patent: 6606911 (2003-08-01), Akiyama et al.
patent: 6720710 (2004-04-01), Wenzel et al.
patent: 6766620 (2004-07-01), Robbins
patent: 7010964 (2006-03-01), Karp et al.
patent: 7021148 (2006-04-01), Kuhn et al.
patent: 7073375 (2006-07-01), Parker et al.
patent: 7081189 (2006-07-01), Squires et al.
patent: 7094326 (2006-08-01), Crocker et al.
patent: 7169847 (2007-01-01), Solomon et al.
patent: 7181975 (2007-02-01), Bradley et al.
patent: 7259573 (2007-08-01), Andrade
patent: 7437938 (2008-10-01), Chakraborty
patent: 2006/0137749 (2006-06-01), Bonne et al.
patent: 2353243 (2001-07-01), None
patent: 0 003 851 (1981-10-01), None
patent: WO 02/068100 (2002-09-01), None
S. Minc. J. Dabkowski, B. Kostrzewa; “Electrokinetic phenomena at the AI203 mixture of polar liquids interface”; May 13, 1977; Journal of Applied Electronchemistry 8 (1978); See pp. 1-4.
International Search Report for corresponding PCT Application No. PCT/US08/06105 mailed Aug. 8, 2008 (3 pages).
Written Opinion of the International Searching Authority for corresponding PCT Application No. PCT/US08/06105 mailed Aug. 8, 2008 (5 pages).

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