Thermal head with dot size control means

Details Thermal head with dot size control means Thermal head with dot size control means

1990-11-26

1992-03-10

Fuller, Benjamin R.

Recorders

Thermal recording

G01D 1510, G01D 1516, B41J 2335

Patent

active

050953184

ABSTRACT:
A thermal head for use in thermal printing including: a substrate having an upper face; an electrically insulating layer, coated over the upper face of the substrate; heating means, coated over the insulating layer, for providing heat for printing a dot of a picture; a protection layer, coated over the heating means; and dot area control means, formed above the heating means to receive sufficient heat for the printing, for transferring the heat from the heating means upwards for the printing of the dot and for controlling an area of the dot.

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