Data storage device having novel barrier players encapsulating t

Details Data storage device having novel barrier players encapsulating t Data storage device having novel barrier players encapsulating t

1985-07-08

1987-04-21

Popek, Joseph A.

Static information storage and retrieval

Radiant energy

Amorphous

365163, 369275, G11C 1300

Patent

active

046601759

ABSTRACT:
Disclosed is a data storage device having a chalcogendata storage medium encapsulated along at least one surface, and preferably both surfaces, by a dielectric barrier layer. The dielectric is compositionally graded in oxygen content with respect to the chalcogen data storage medium. The dielectric is a substantially stoichiometric oxide in proximity to the chalocogen data storage medium, and a substantially non-stoichiometric suboxide remote from the chalcogenide data storage medium. The resulting data storage device is relatively moisture blocking and non-reactive with the chalcogendata storage medium. Also disclosed are methods of making and using the data storage device.

REFERENCES:
patent: 3626386 (1971-12-01), Feinleib
patent: 3778785 (1973-12-01), von Gutfeld
A. W. Smith, "Injection Laser Writing on Chalcogenide Films", Applied Optics, vol. 13, No. 4, Apr. 1974, pp. 795-798.

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