Thermal printing head coating

Details Thermal printing head coating Thermal printing head coating

1998-02-04

2000-02-22

Le, N.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Specific resistance recording element type

B41J 2335

Patent

active

060286180

ABSTRACT:
A thermal printing head comprising an outermost protective layer and a coating on the outermost surface of the outermost protective layer, wherein the coating comprises a hydrolyzed silane, the silane having the general formula: SiR.sup.1 R.sup.2 R.sup.3 R.sup.4 wherein R.sup.1, R.sup.2 and R.sup.3 are independently a C1 to C4 alkoxy group, a substituted C1 to C4 alkoxy group, bromine or chlorine; and R.sup.4 is a C1 to C4 alkyl group; a substituted C1 to C4 alkyl group, a C1 to C4 alkoxy group or a substituted C1 to C4 alkoxy group; a coating process therefor; and a thermographic printing process utilizing said coated thermal printing head.

REFERENCES:
patent: 5218381 (1993-06-01), Narang et al.
patent: 5485185 (1996-01-01), Sueoka et al.
patent: 5759953 (1998-06-01), Defieuw et al.
Proceedings of the Fifth International Congress on Advances in Non-Impact Printing Technologies, Nov. 17, 1989, San Diego, California, US, pp. 501-512, XP000138926 Nikaido et al.: "Improvement in Efficiency of Thermal Print Head".

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