Hot-melt ink-jet printhead

Details Hot-melt ink-jet printhead Hot-melt ink-jet printhead

1997-08-22

2000-10-10

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

88 99, B41J 2135, B41J 2175, G01D 1100

Patent

active

061306878

ABSTRACT:
An ink-jet printhead adapted for printing with hot-melt ink and having a nozzle face provided with an anti-wetting coating, wherein the anti-wetting coating contains silicone and/or polysilane as main component(s) and has a wetting angle of at least 40.degree. and shows a decrease of the wetting angle of not more than 5% per 100 days of exposure in hot-melt ink.

REFERENCES:
patent: 4296421 (1981-10-01), Hara et al.
patent: 4623906 (1986-11-01), Chandrashekhar
patent: 4779099 (1988-10-01), Lewis
patent: 4820346 (1989-04-01), Nowak
patent: 5212496 (1993-05-01), Badesha et al.
patent: 5378504 (1995-01-01), Bayard et al.
patent: 5387440 (1995-02-01), Takemoto et al.
patent: 5563640 (1996-10-01), Suzuki
patent: 5650805 (1997-07-01), Shimomura et al.

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