Recording medium of deformable air-sandwich structure

Details Recording medium of deformable air-sandwich structure Recording medium of deformable air-sandwich structure

1985-08-19

1986-08-19

Goldberg, E. A.

Recorders

Record receivers and/or driving means therefor

Disc

369284, 369287, G01D 1532, G11B 726

Patent

active

046072640

ABSTRACT:
A recording medium having an air-sandwich structure comprising two disc-shaped substrates opposed to each other at a given distance by interposing therebetween a ring-shaped inner spacer and a ring-shaped outer spacer and a recording layer for writing and/or reading information with laser beam which is provided on the inner surface of at least one substrate,

REFERENCES:
patent: 4449138 (1984-05-01), Ando

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