Thermal recording medium capable of keeping width of mark train

Details Thermal recording medium capable of keeping width of mark train Thermal recording medium capable of keeping width of mark train

1995-05-25

1997-07-15

Edwards, Newton

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428 643, 428 644, 428 653, 428 656, 428694R, 428694ML, 428913, 43027012, 43027013, 4304901, 430945, 3692751, 369283, 369288, B32B 300

Patent

active

056481349

ABSTRACT:
Recording or erasing on a thermal recording medium is performed such a manner that a local region of a recording film on the recording medium is heated to a predetermined temperature to reversibly change the state of the local region between two states. In this method, the recording film is initialized in one of the two states. When the recording film is set in the other of the two states upon continuous or intermittent heating, a band-like region elongated in a recording direction on the recording film is formed to effect the erasing operation. In recording step, the local region of the recording film is heated to a predetermined temperature in accordance with information so as to include the band-like region in the local region to be heated and a state of the heated local region is caused to be identical with the state upon the initialization.

REFERENCES:
patent: 4839226 (1989-06-01), Sawada et al.
patent: 4985885 (1991-01-01), Ohta et al.
patent: 5087340 (1992-02-01), Onagi et al.
patent: 5498485 (1996-03-01), Nakayama et al.

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