Pressure sensor

Measuring and testing – Fluid pressure gauge – Diaphragm

Reexamination Certificate

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Details

C073S719000, C073S721000, C073S753000

Reexamination Certificate

active

07318351

ABSTRACT:
A pressure sensor is constructed of a plastic package. The plastic package incorporates in the same material a sensing diaphragm including tensile and compression regions. Deposited on the diaphragm are metal electrodes and a polymer film having piezoresistive properties. The electrodes and/or the polymer film are directly printed onto the plastic package without the use of a mask.

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patent: 2004/0183648 (2004-09-01), Weber et al.
patent: 2004/0255682 (2004-12-01), Petrova et al.
patent: 0321225 (1992-12-01), None
patent: 0814516 (2003-09-01), None
patent: 2141548 (1984-12-01), None
“Company Information”, http://www.optomec.com/, (2003), 1-2.
Forlani, F. , “Thick-Film Sensors for Automatic Electronics”,Proceedings : European Hybrid Microelectronics Conference,Copenhagan, Denmark, (1983), 165-177.
Harsanyi, G. , “Polymer thick-film technology: a possibility to obtain very low cost pressure sensors?”,Sensors and Actuators A(Physical), v A27, n 1-3, (May 1991),853-7.

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