Infrared ray receiving element and infrared ray sensor using the same

摘要

An infrared ray receiving element comprising: a substrate (10) made of pyroelectric material and having at least one cantilever portion (11A, 11B) surrounded by a slit (12A, 12B), in which at least a part of the cantilever portion in the substrate is uniformly polarized in the same direction and the remainder in the substrate includes a portion polarized at random; and at least a pair or electrodes (13A, 13B) respectively provided on a top surface and a bottom surface of the cantilever portion.