Method and apparatus for thermal recording

Details Method and apparatus for thermal recording Method and apparatus for thermal recording

1997-07-23

1999-05-25

Tran, Huan

Incremental printing of symbolic information

Thermal marking apparatus or processes

Specific resistance recording element type

B41J 2335

Patent

active

059073462

ABSTRACT:
According to the improved method of thermal recording with a thermal head, each time a specified amount of thermal recording has been performed, a coating layer is formed in a specified area of the surface of the protective layer on the glaze of the thermal head and, thereafter, the thermal recording operation is resumed. The improved thermal recording method and the improved thermal recording apparatus to which this method is applied permit a coating layer to be present at all times on the surface of the protective layer on the glaze of a thermal head; hence, a great number of prints can be produced without causing the wear and corrosion of the protective layer, thereby assuring that the thermal head is long-lived to maintain high operational reliability over a prolonged period.

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