Method of recording information on ferroelectric material using

Details Method of recording information on ferroelectric material using Method of recording information on ferroelectric material using

1994-03-02

1997-11-04

Fuller, Benjamin R.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347151, B41J 247, G01D 1514, G02B 2600, G02B 2700

Patent

active

056845227

ABSTRACT:
An information recording medium has a semiconductor layer and a ferroelectric layer formed thereon. Information is recorded on the recording medium by locally applying an electric voltage modulated according to the information to the recording medium and then removing it therefrom so that the ferroelectric layer is polarized by an electric charge produced by application of the electric voltage. The electric charge is caused to stay on the surface of the ferroelectric layer for at least 0.1 msec after removal of the electric voltage.

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