Thermal plate-making apparatus and thermal head therefor

Details Thermal plate-making apparatus and thermal head therefor Thermal plate-making apparatus and thermal head therefor

1992-04-03

1994-05-24

Fuller, Benjamin R.

Recorders

Thermal recording

B41J 2335

Patent

active

053153197

ABSTRACT:
A thermal plate-making apparatus has a line thermal head comprising a plurality of heat units aligned on a line. Each of the heat units comprises electrodes and plural heat elements located therebetween. The apparatus effectively prevents back face reprint of image in a stack of printed sheets, stains due to rubbing between the printed sheets, and dotted images, allowing printing of stable image density. Further, a thermal plate-making apparatus has a line thermal head comprising heat units aligned in a first direction, in which each of the heat units comprises a pair of electrodes opposed in a second direction perpendicular to the first direction and a heat element positioned between the electrodes, and in which the heat element is formed not lower than the electrodes. This apparatus also effectively prevents the back face reprint with the minimum ink transfer amount necessary for printing, providing a loyal print image.

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