Optical recording reproducing method
专利汇可以提供Optical recording reproducing method专利检索，专利查询，专利分析的服务。并且PURPOSE: To increase the difference in reflectivity between the recording state and the erasing state and to collectively increase the SN ratio of the regenera tive signal by providing the first transparent thin layer on a transparent sub strate, furnishing a recording thin film of Te, Ge, Se, and Au on the thin layer, and providing the second transparent thin layer to form a recording medium which is used in this method.
CONSTITUTION: The transparent thin layer 2 is provided on the transparent substrate 1, the recording thin film 3 of Te, Ge, Se, and Au is furnished thereon, the second transparent thin layer 4 is further provided thereon, and a protective substrate 5 is coated thereon to form the recording medium. The medium is irradiated with light from a light source 6, and the reflected light from the medium is detected by a photodetector 8 through a beam splitter 7. A material having a composition within the area surrounded by A
1 WE
1 is preferably used as the material of Te, Ge, Se, and Au. The area surrounded by A
2 WE
2 and the 10W35at% Au concn. are practically preferable from the standpoint of the transition temp. from an amorphous state to a crystalline state and the crystallization velocity.
COPYRIGHT: (C)1987,JPO&Japio，下面是Optical recording reproducing method专利的具体信息内容。
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