Thermal printing head coating
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United States of America Patent
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-
Feb 22, 2000
Grant Date -
N/A
app pub date -
Feb 4, 1998
filing date -
Feb 22, 1997
priority date (Note) -
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status (Latency Note)
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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.
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