MAGNETOOPTICAL ELEMENT AND READING DEVICE WITH SUCH ELEMENT Russian patent published in 2019 - IPC G06K19/02 G02F1/09 G11B11/105

Abstract RU 2692047 C1

FIELD: calculating; counting.

SUBSTANCE: invention relates to the field of information technologies, in particular to devices and their elements for reading information from magnetic data carriers, computer equipment. Device for reading information from a magnetic information carrier, comprising a magnetooptical element, having a garnet substrate and a conversion film with composition Bi_xPb_yPt_zFe_5-uMe_uO₁₂, where Me is Al or Ga metal; x = 0.6–1.5; y = 0.007–0.028; z = 0.01–0.038; u = 0.8–1.3.

EFFECT: technical result consists in improvement of characteristics of magnetooptical element due to stabilization of axis of growth anisotropy, which ensures uniformity of optical and magnetooptical properties of element on its area.

12 cl, 1 dwg

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RU 2 692 047 C1

Authors

Gusev Mikhail Yurevich

Neustroev Nikolaj Stepanovich

Somov Aleksandr Viktorovich

Dates

2019-06-19—Published

2018-02-14—Filed