PURPOSE: To perform high resolution recording by combining an optical sensor with an information recording medium with a liq. crystal recording layer as a structural element.
CONSTITUTION: A liq. crystal recording medium obtd. by laminating a liq. crystal recording layer 22 contg. a liq. crystal dispersed and fixed in a resin on a 1st electrode layer 3 is combined with an optical sensor 29 obtd. by forming a 2nd electrode layer 6 and a photoconductive layer 21 on a transparent substrate 1 so that the recording layer 22 confronts the photoconductive layer 21 optionally with a middle layer 31 in-between. The resultant information recording medium 30 is made square, such media are radially arranged on a disk substrate 1 with a central hole and this substrate 1 is rotatably housed in a housing case with a window which is opened and shut by a shutter. The objective information recording medium capable of being incorporated into a camera, etc., is obtd. and high resolution recording is performed.
UCHIUMI MINORU
YAMASHITA TAKEHIRO
KAMIYAMA HIRONORI
SAKANO SHINICHI
OKABE MASAHITO
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