Process of using radiation-sensitive carrier body to form stampe

Details Process of using radiation-sensitive carrier body to form stampe Process of using radiation-sensitive carrier body to form stampe

1984-07-12

1986-01-21

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making named article

430290, 430321, 430945, 430322, 430324, 156242, 15624417, 15624426, 156245, 264 14, 264106, 264107, 346 76L, 3461351, G03C 500, B29D 1700, B29C 4300

Patent

active

045657726

ABSTRACT:
A radiation-sensitive carrier body directly utilized as a stamper has a glass substrate, a first highly adhesive layer securely adhered to the substrate, a radiation-sensitive layer which discharges a gas component upon being irradiated with a laser beam and which locally forms a protuberance due to the absorbed energy, a second highly adhesive layer securely adhered to the specific material of the radiation-sensitive layer and which deforms in accordance with deformation of the layer, and a metal layer which has a high releasability to allow easy separation from a optical disk substrate material such as an acrylic material when the carrier body is used as a stamper substrate for manufacturing optical disks. A protuberance formed on the carrier body such as a continuous spiral protuberance allows formation of a corresponding spiral groove in the acrylic material, serving as a pre-track into which desired information will be digitally written by a user.

REFERENCES:
patent: 4141731 (1979-02-01), Jarsch
patent: 4165351 (1979-08-01), May
patent: 4285839 (1981-08-01), Wong
patent: 4430401 (1984-02-01), Wilkinson
patent: 4440586 (1984-04-01), Lippits et al.
patent: 4470053 (1984-09-01), Moffitt et al.
patent: 4478768 (1984-10-01), Takeoka et al.
Patents Abstracts of Japan, vol. 3, No. 98, Aug. 18, 1979, p. 97 E131 & JP-A-54 76106-(Filed in Parent).

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