Magneto-optical information storage device using photoconductive control element
AssigneeU.S. Philips Corporation
InventorsJens-Peter Krumme, Bernhard Hill
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Abstract
The invention relates to a device for magneto-optic memories controlled by light and/or heat in an external magnetic field, in which the magneto-optic material of the memory has a photoconductive layer which can be activated by the control beam and which can be controlled by means of electrodes provided thereon via a current or voltage source.
Claims10
An information storage device comprising a storage plate of a magnetizable material, means including a light beam for recording and retrieving information in said storage plate, a photoconductive layer on the magneto-optic material of the storage plate, and electrode means on said photoconductive layer, said electrode means being connected to an electrical power source to heat said layer.
Dependencies are inferred from the claim text.