Liquid ejection head and method of producing the same

Details Liquid ejection head and method of producing the same Liquid ejection head and method of producing the same

2007-04-17

2007-04-17

McPherson, John A. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making named article

C216S027000

Reexamination Certificate

active

10841978

ABSTRACT:
The liquid ejection head ejects a solution, in which charged particles are dispersed, toward a counter electrode. The head has a head substrate, a solution guide member formed on a surface of the head substrate so as to protrude and include a sharp-pointed portion having a sharply pointed tip end, with the sharp-pointed portion being which is formed by inclined surfaces and having a cross section that is reduced as a distance to the tip end is decreased, and a solution supply path having a solution outflow opening through which the solution flows out to the neighborhood of the sharp-pointed portion so as to form a solution flow around the inclined surfaces. The solution flow is formed around the tip end of the sharp-pointed portion in a direction going across the inclined surface and a part of the solution flow is guided to the tip end and is ejected as a droplet by means of an electrostatic force.

REFERENCES:
patent: 6158844 (2000-12-01), Murakami et al.
patent: 2004/0212661 (2004-10-01), Tsuruma
patent: 10-76664 (1998-03-01), None
patent: 10-138493 (1998-05-01), None

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