Coating For An Ink Jet Printhead Front Face
First Claim
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1. A coating for an ink jet printhead front face, wherein the coating comprises:
- a low adhesion coating, wherein when the low adhesion coating is disposed on an ink jet printhead front face surface, jetted drops of ultra-violet gel ink or jetted drops of solid ink exhibit a low sliding angle with the printhead front face surface, wherein the low sliding angle is less than about 1°
to less than about 30°
.
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Abstract
A coating for an ink jet printhead front face, wherein the coating comprises a low adhesion coating, wherein when the low adhesion coating is disposed on an ink jet printhead front face surface, jetted drops of ultra-violet gel ink or jetted drops of solid ink exhibit a low sliding angle with the printhead front face surface, wherein the low sliding angle is less than about 1° to less than about 30°. In embodiments, the low adhesion coating is an oleophobic coating that exhibits a contact angle of greater than about 35° with ultra-violet gel ink or solid ink.
54 Citations
21 Claims
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1. A coating for an ink jet printhead front face, wherein the coating comprises:
a low adhesion coating, wherein when the low adhesion coating is disposed on an ink jet printhead front face surface, jetted drops of ultra-violet gel ink or jetted drops of solid ink exhibit a low sliding angle with the printhead front face surface, wherein the low sliding angle is less than about 1°
to less than about 30°
.- View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An ink jet printhead comprising:
a front face having disposed on a surface thereof a low adhesion coating wherein jetted drops of ultra-violet gel ink or jetted drops of solid ink exhibit a low sliding angle with the printhead front face surface having the coating, wherein the low sliding angle is less than from about 1°
to less than about 30°
.- View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A printing apparatus comprising an ink jet printhead comprising:
a front face having disposed on a surface thereof a low adhesion coating wherein jetted drops of ultra-violet gel ink or jetted drops of solid ink exhibit a sliding angle less than from about 1°
to less than about 30°
, with the printhead front face surface having the low adhesion coating.- View Dependent Claims (17, 18, 19, 20, 21)
Specification