FIELD: computer science.
SUBSTANCE: method includes affecting carrier with heat flow and changing of its physical-chemical and molecular properties and following reading of applied encoded information. During recording data carrier is affected with modulated heat flow, and during reproduction data carrier is electrified and portions with different surface density of applied charge are detected, which density depends on type of modulating signal. Electrization can be performed using corona charge for whole data carrier once prior to reading. As data carrier polymer films can be used, in particular, made of polyamide.
EFFECT: higher efficiency.
6 cl, 3 dwg
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