Optically readable information disc having a reflection layer fo

Details Optically readable information disc having a reflection layer fo Optically readable information disc having a reflection layer fo

1986-11-25

1987-11-24

Psitos, Aristotelis M.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369288, 369283, 428 65, 430495, G11B 370

Patent

active

047093633

ABSTRACT:
An optically readable information disc having a supporting plate which on at least one side has a layer of synthetic resin in which an optically readable structure has been provided which is covered with a layer of a metal alloy which is selected from the group consisting of a Ag-Cu alloy with more than 40 at.% Ag, a Cu-Cr alloy with more than 8 at.% Cr, an Al-Cr alloy with more than 75 at.% Al, an Al-Cu alloy with more than 40 at.% Al, an Al-B alloy with more than 70 at.% Al, an Al-Mn alloy with at least 75 at.% Al and an Al-lanthanide alloy with 0.1 to 3 at.% of the lanthanide.

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patent: 4404656 (1983-09-01), Cornet
patent: 4405994 (1983-09-01), Cornet et al.
patent: 4450553 (1984-05-01), Holster et al.
The American Heritage Dictionary of the English Language .COPYRGT.1969, p. 153, definition of boron.
Journal of the Optical Society of America, vol. 44, No. 6, Jun. 1954, Bond, "Notes on Solution of Problems in Odd Job Vapor Coatings".

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