Measuring and testing – Fluid pressure gauge – Vibration type
Patent
1979-05-29
1980-10-28
Woodiel, Donald O.
Measuring and testing
Fluid pressure gauge
Vibration type
73723, 73778, G01L 1100
Patent
active
042299799
ABSTRACT:
A silicon transducer including a silicon frame with one or more lands extending from a diaphragm or the like. The lands are interconnected by two thin strips formed integrally with the lands. The strips are essentially the transducer. The transducer is constructed by etching a boron doped wafer with a mixture of catechol, ethylene diamine and water.
REFERENCES:
patent: 3399572 (1968-09-01), Riordan
patent: 3672220 (1972-06-01), Agar
patent: 4074576 (1978-02-01), Bryzzhev et al.
International Standard Electric Corporation
Stolzy A. Donald
Woodiel Donald O.
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