Measuring and testing – Fluid pressure gauge – Electrical
Reexamination Certificate
2007-06-01
2008-09-02
Allen, Andre J (Department: 2855)
Measuring and testing
Fluid pressure gauge
Electrical
C438S050000, C600S398000
Reexamination Certificate
active
07418872
ABSTRACT:
System and apparatus for measuring pressure comprising a microelectronic device, an interface member attached to the microelectronic device, a pressure sensor having a diaphragm responsive to external pressure exerted upon the diaphragm, wherein the interface member is positioned between the microelectronic device and the pressure sensor and is attached to the pressure sensor providing a first cavity between the pressure sensor diaphragm and the interface member and wherein the pressure in the first cavity is set at an initial predetermined pressure.
REFERENCES:
patent: 4127110 (1978-11-01), Bullara
patent: 5001595 (1991-03-01), Dittrich et al.
patent: 6030851 (2000-02-01), Grandmont et al.
patent: 6890300 (2005-05-01), Lloyd et al.
patent: 6939299 (2005-09-01), Petersen et al.
patent: 2004/0073137 (2004-04-01), Lloyd et al.
patent: 2005/0268722 (2005-12-01), Tai et al.
Alfred E. Mann Foundation for Scientific Research
Allen Andre J
Romano Malcolm J.
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