Pressure sensor with a ferroelectric liquid crystal layer

Details Pressure sensor with a ferroelectric liquid crystal layer Pressure sensor with a ferroelectric liquid crystal layer

1988-01-29

1989-10-24

Orsino, Joseph A.

Measuring and testing

Dynamometers

Responsive to multiple loads or load components

7386268, 73DIG4, 310338, G01L 516, G01L 116, H01L 4118

Patent

active

048753785

ABSTRACT:
A new type of pressure sensor is disclosed here. The sensor is composed of a pair of glass substrates and a ferroelectric liquid crystal which is interposed between the substrates and exhibits piezoelectric effect. Because of crystalline property in liquid phase, the piezoelectric medium can be easily disposed and aligned between the substrates in light of the orientation of the surface contiguous to the liquid crystal layer.

REFERENCES:
patent: 3991606 (1976-11-01), Dreyer
patent: 4234813 (1980-11-01), Iguchi et al.
patent: 4367924 (1983-11-01), Clark et al.
patent: 4703305 (1987-10-01), Ayliffe

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