Head member, method for ink-repellent treatment and...

Details Head member, method for ink-repellent treatment and... Head member, method for ink-repellent treatment and...

2007-11-06

2007-11-06

Olsen, Allan (Department: 1763)

Etching a substrate: processes

Forming or treating thermal ink jet article

C216S056000, C216S067000

Reexamination Certificate

active

11069553

ABSTRACT:
Disclosed are a head member having an ink-repellent film high in ink repellency, a method of ink-repellent treatment for the head member and an apparatus for the same. A head member (15) including a plurality of ejection ports (14) to eject ink comprises an ink-repellent film (25) on a surface having the ejection ports (14) open thereon, the ink-repellent film made of fluorocarbon resin subjected to plasma polymerization on the surface. An ink-repellent treatment method includes the steps of: disposing the head member (15) in a chamber (31) maintained in a vacuum state; introducing gaseous linear perfluorocarbon as a material of an ink-repellent film into the chamber (31); and depositing an ink-repellent film (14) made of fluorocarbon resin obtained by subjecting the perfluorocarbon to plasma polymerization on the surface of the head member (15) to perform the ink-repellent treatment.

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Supplementary Europeon Search Report

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