Recording medium and method of making the same

Details Recording medium and method of making the same Recording medium and method of making the same

1985-05-28

1987-05-05

Psitos, Aristotelis M.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Mechanical modification or sensing of storage medium

369276, 369288, G11B 300, G11B 726

Patent

active

046637532

ABSTRACT:
A method is disclosed for recording information wherein an information-containing surface relief image is mechanically micromachined into a recording medium formed of a copper/oxygen amalgam containing 8 to 11 atomic weight percentage of oxygen and having a grain size of 500 Angstroms or less and wherein the amalgam has a hardness of 250 to 320 on the Knoop hardness scale.

REFERENCES:
patent: 3982066 (1976-03-01), Nyman et al.
patent: 4004080 (1977-01-01), Vossen, Jr. et al.
patent: 4044379 (1977-08-01), Halter
patent: 4072985 (1978-02-01), Kaganowicz et al.
patent: 4077051 (1978-02-01), Vossen, Jr.
Vossen et al., "Thin Film Processes", (1978) pp. 48-73.
N. Schwartz, "Reactive Sputtering", Bell Telephone Labs, Inc., pp. 325-334.
A. J. Purdes et al., "Copper/Oxygen Glow Discharge Spectrometry", J.Vac.Sci.Technol., vol. 14, No. 1, Jan./Feb. 1977, pp. 98-101.

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