Thermal transfer recording medium

Abstract

PURPOSE: To provide a thermal transfer recording medium imparting an image containing code data such as a bar code impossible to visually confirm under visible light but detectable under the irradiation with light having a specific wavelength by the naked eye or an image sensor. CONSTITUTION: A thermal transfer recording medium is characterized by that thermal transfer ink consisting of hot-melt vehicle and a substance emitting or absorbing light by the irradiation with light having a specific wavelength and colorless and transparent under visible light is held to the single surface of a base material. COPYRIGHT: (C)1992,JPO&Japio

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