KR950034136A - Erasable organic optical recording medium and recording erasing method thereof - Google Patents

Abstract

The present invention relates to an erasable organic optical recording medium and a recording erasing method thereof, and more particularly, to a recording layer composed of a liquid crystal layer and a dye, a reflective layer, and a protective layer, which are sequentially stacked on a substrate. The laser light is irradiated onto the recording layer to record the phase of the liquid crystal material by the heat absorbed by the dye, and is quenched at room temperature to maintain the phase. During erasing, the liquid crystal is returned to the original liquid crystal phase by laser or heat. The present invention provides an erasable organic optical recording medium characterized by being recovered and erased. The organic optical recording medium of the present invention is excellent in repeat recording erasing, recording sensitivity and stability, and has a high density and large capacity for various information recording media or images. It can be used as a recording medium.

Description

Erasable organic optical recording medium and recording erasing method thereof

Since this is an open matter, no full text was included.

1 is a configuration diagram of an embodiment of the optical recording medium of the present invention, FIG. 2 is a configuration diagram of the recording state of the optical recording medium of the present invention, and FIG. 3 is a configuration diagram of an erased state of the optical recording medium of the present invention.

Claims (6)

An organic optical recording medium in which a substrate, a recording layer, a reflective layer, and a protective layer are stacked in this order, wherein the recording layer is composed of absorbing dyes capable of absorbing liquid crystal and laser to generate heat. 2. The erasable siliceous optical recording medium according to claim 1, wherein the liquid crystal material of the recording layer is a side chain type liquid crystal polymer material having a glass transition temperature of 30 DEG C or higher and an isotropic temperature of 70 DEG C or higher. The erasable organic optical recording medium according to claim 2, wherein the low molecular liquid crystal is dispersed in the resin instead of the side chain type liquid crystal polymer material. The erasable organic optical recording medium according to claim 1, wherein the absorbing dye of the recording layer is formed by being bonded to or mixed with the side chain of the side chain type liquid crystal polymer material. The erasable organic optical recording medium according to claim 1, wherein the absorption color number of the recording layer is formed by being bonded or dispersed to a low molecular liquid crystal or a resin. In an erasable organic light recording medium in which a recording layer made of liquid crystal and a dye is formed on a substrate, and a reflective layer and a protective layer are sequentially stacked, the liquid crystal is absorbed by heat absorbed by the absorbing color of the recording layer by irradiating laser light during recording. A method of recording and erasing an erasable organic optical recording medium, characterized in that the phase of the substance is switched and is quenched at room temperature to maintain the phase, and upon erasing, the liquid crystal is converted to the original liquid crystal phase and erased by laser or heat. . ※ Note: The disclosure is based on the initial application.