Optical information storage medium
A technology of optical information and media, applied in the field of optical information storage media with high storage density, can solve the problem that the second recording layer cannot obtain sufficient reflectivity, and achieve the effect of preventing moisture or oxygen
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[0037] The preferred embodiments of the optical information storage medium according to the present invention will be described below with reference to related drawings.
[0038] Please refer to image 3 , the optical information storage medium 20 comprises a first substrate 21, a first recording layer 22, a first reflective layer 23, a spacer layer 24, a buffer layer 25, a second recording layer 26, a second reflective layer 27 , and a second substrate 28 . In this embodiment, the optical information storage medium 20 is taken as an example of a writable single-sided double-layer digital laser disc (DVD-R), and it is manufactured by an inversion process.
[0039] The first recording layer 22 is disposed on the first substrate 21 . The material of the first recording layer 22 can be organic dye or inorganic material. In this embodiment, the material of the first recording layer 22 is an organic dye, such as an azo dye, and is formed by spin coating.
[0040] The first refl...
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