VARIABLE-CAPACITANCE PRESSURE TRANSDUCER AND METHOD OF ITS ASSEMBLING Russian patent published in 2001 - IPC

Abstract RU 2166742 C1

FIELD: instrumentation. SUBSTANCE: proposed transducer can be used in various branches of industry. Transducer has two groups of pressure sensors. One group of sensors includes diaphragm and plates of capacitors forming variable-capacitance transducer. Cells under diaphragm made from perforated dielectric film are interconnected and connected with atmosphere by grooves. Transducer is made from solid and gaseous dielectrics to provide possibility of connection through differential circuit to external electric system. EFFECT: stabilized parameters of polyamide film and modes of its thermal treatment and perforating. 3 cl, 2 dwg

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RU 2 166 742 C1

Authors

Kazarjan A.A.

Dates

2001-05-10Published

1999-10-18Filed