Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1994-06-23
1995-08-08
Jones, Deborah
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
2503383, 501134, G01J 500
Patent
active
054401259
ABSTRACT:
A radiation detector having a radiation detection element of a pyroelectric ceramic material on the basis of lead titanate, the composition of which corresponds to the formula Pb.sub.1-(x+0.5(x-y)) RE.sub.x (Ti.sub.1-y Mn.sub.y)O.sub.3, where RE is at least one rare earth metal and 0.04.ltoreq.x.ltoreq.0.20 and 0.01.ltoreq.y.ltoreq.0.04. The element is disposed within a windowed housing.
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American Soc. Bulletin Nr. 4, Apr. 1987 "Anisotropy in Piezoelectric Properties of Modified Lead Titanate Ceramics" pp. 699-703 D. Damjanovic et al.
Journal of Materials Science "Large Electromechanical Anisotropic Modified Lead Titanate Ceramics" Duran et al., pp. 4463-4469, 1988 no month.
Journal of Materials Science Letters, Aug. 1991 "Effect of MnO Additions on the Sintering and Piezoelectric Properties of Samarium-Modified Lead Titanate Ceramics" Duran et al. pp. 917-919.
Hennins Detlev
Pankert Joseph
Bartlett Ernestine C.
Jones Deborah
U.S. Philips Corporation
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