Infrared radiation sensitive image pick-up device

Details Infrared radiation sensitive image pick-up device Infrared radiation sensitive image pick-up device

H - Electricity

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345/2, 350/54

H01L 31/00 (2006.01) G02F 1/11 (2006.01) H01J 31/49 (2006.01) H01L 27/16 (2006.01) H01L 37/02 (2006.01) H04N 5/33 (2006.01)

Patent

CA 1080336

ABSTRACT: The device in accordance with the inven- tion consists of interconnected disks of piezoelec- tric material, at least one disk having a ferro- electric transition temperature. A metal foil is provided between the said disks. Mutually parallel, conductive strips are provided on both outer sur- faces of the assembly thus formed. The direction of the strips on the one surface differs from that of the strips on the other surface. A generator for periodic signals which can be sequentially connec- ted to each strip on one of the surfaces of the first disk generates therein, via a piezoelectric effect, ultrasonic vibrations which are intercepted by the other disk which converts these vibrations into electric signals. These signals are amplified and carry the image to be examined.

278892

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