Method of hydrophobically coating a printhead

Details Method of hydrophobically coating a printhead Method of hydrophobically coating a printhead

2005-04-04

2008-03-18

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S047000

Reexamination Certificate

active

07344226

ABSTRACT:
A method of hydrophobizing an ink ejection face of a printhead, whilst avoiding hydrophobizing nozzle chambers and/or ink supply channels is provided. The method comprises the steps of: (a) filling nozzle chambers on the printhead with a liquid; and (b) depositing a hydrophobizing material onto the ink ejection face of the printhead. The method advantageously provides selectivity during deposition of the hydrophobizing material by CVD.

REFERENCES:
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patent: 5208606 (1993-05-01), Klein et al.
patent: 5300951 (1994-04-01), Yamazaki
patent: 6019457 (2000-02-01), Silverbrook
patent: 6443558 (2002-09-01), Silverbrook
patent: 2004/0130597 (2004-07-01), Kim et al.
patent: 3918472 (1990-12-01), None
patent: 882593 (1998-12-01), None

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