G - Physics
01
N
73/71, 324/29.9
G01N 27/02 (2006.01)
Patent
CA 1175676
RD-13659 HUMIDITY SENSOR ABSTRACT OF THE DISCLOSURE A humidity sensor which varies in electrical impedance with variations in humidity in the atmosphere in which it is placed comprising a ceramic body, at least a pair of spaced electrodes disposed on said ceramic body in electrical contact therewith, and an electrical contact on each said electrode, said ceramic body being an electrolyte comprised of Na1+xSixZr2P3-xO12, where x has a value ranging from 1.5 to 2.8, said ceramic body having a density of at least about 90% of the theoretical density for said Na1?xSixZr2P3-xO12, each said electrode being in the form of a continuous interconnecting network which forms at least a sufficient plurality of non-linear recesses with the surface of the ceramic body exposing said ceramic body surface to said atmosphere to produce a measurable electrical impedance change when said atmosphere varies in relative humidity.
435945
Asher Jeffrey A.
Briant Jacqueline L.
Company General Electric
Eckersley Raymond A.
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