Reversible optical information-recording medium
作者： Susumu Sanai , Kunio Kimura , Masatoshi Takao , Noboru Yamada
DOI:
关键词: Turn (geometry) 、 Sensitivity (electronics) 、 Laser beams 、 Crystallography 、 Thin film 、 Irradiation time 、 Signal 、 Optoelectronics 、 Phase change 、 Power density 、 Materials science
摘要: A reversible optical information recording medium which permits recording, reproducing, erasing and rewriting at high speeds by means of laser beams. The has a thin film is essentially constituted Te-Au-O, Ge or Se. In the system employs Ge, formed addition least one selected from group consisting Sn, In, Bi Sb, such as to reduce Au content in composition. On other hand, Se, further improvement stability recorded signal achievable an recording/erasing sensitivities, particularly sensitivity, can be enhanced element Sb. mechanism invention mainly relies upon change characteristic turn caused phase Te. effected beam extremely low light power density short irradiation time compared with that required conventional medium. This much higher speed over
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