High density recording by a conductive probe contact with phase

Details High density recording by a conductive probe contact with phase High density recording by a conductive probe contact with phase

1996-12-04

2000-08-08

Swann, Tod R.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Electrical modification or sensing of storage medium

369100, 250306, 250307, G11B 900

Patent

active

061011649

ABSTRACT:
An information recording and reproducing device includes an inorganic recording medium having at least one material selected from the group consisting of a phase change material, a shape changing material and a magnetic material. A conductive probe, which is proximate to or contacting a recording surface of the recording medium, is movable relative to the recording medium. Information is recorded by heating the recording medium in the area where the conductive probe is proximate or contacting to change a physical state therein. The area of the recording medium where the conductive probe is proximate or contacting is heated by applying voltage between the conductive probe and the recording medium.

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