Information recording reproducing apparatus using probe

Details Information recording reproducing apparatus using probe Information recording reproducing apparatus using probe

1994-02-25

1997-04-22

Fuller, Benjamin R.

Incremental printing of symbolic information

Electric marking apparatus or processes

347112, 365151, 369126, 250306, G01D 1506

Patent

active

056232950

ABSTRACT:
An information recording and/or reproducing apparatus for recording and/or reproducing information to/from a recording medium in a scanning probe microscope comprises a circuit to reproduce recording bits formed on the recording medium on the basis of a physical amount such as tunnel current, interatomic force, electrostatic force, or magnetic force which occurs between the probe and the recording medium, a sensor to detect a state such as film thickness or film quality of the recording medium on the basis of the physical amount before the recording bits are reproduced, and a correcting circuit to correct reproducing conditions such as a magnitude of a voltage which is applied between the probe and the medium on the basis of the detected state of the medium.

REFERENCES:
patent: 4575822 (1986-03-01), Quate
patent: 5144581 (1992-09-01), Toda et al.
patent: 5204851 (1993-04-01), Kawada et al.
patent: 5241527 (1993-08-01), Eguchi et al.
patent: 5251200 (1993-10-01), Hatanaka et al.
patent: 5278704 (1994-01-01), Matsuda et al.
patent: 5287342 (1994-02-01), Kishi et al.

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