Information recording media, manufacturing method for the same,

Details Information recording media, manufacturing method for the same, Information recording media, manufacturing method for the same,

1992-05-06

1994-11-29

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430495, 430945, 3692754, 3692751, 369284, B32B 300

Patent

active

053689860

ABSTRACT:
By using an information recording medium comprising at least a substrate and an information recording film which is mounted on the above substrate and changes the physical property under irradiation of a recording energy beam, wherein the surface of the information recording area of the above substrate is uneven, both surfaces of the above recording film are also uneven, and an inorganic protective layer is provided in contact with the surface of the above recording film opposite to the above substrate, fine recording points can be formed stably without complicated control of the recording power and recording waveform so that an optical disk unit can record data simply in high density.

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Craighead et al. "Textured Ge Optical Storage Medium." Appl..Phys. Lett. 40(8) Apr. 1982 662-664.
Ohta et al., "Million Cycle Overwritable Phase Change ORM." SPIE 1078 (1989) 27-34.

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