Nozzle plate, ink ejection head, and image forming apparatus

Details Nozzle plate, ink ejection head, and image forming apparatus Nozzle plate, ink ejection head, and image forming apparatus

2011-05-24

2011-05-24

Le, Uyen-Chau N (Department: 2874)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S044000

Reexamination Certificate

active

07946681

ABSTRACT:
A nozzle plate includes: a plate substrate in which a nozzle is formed, ink being ejected through an ejection port of the nozzle in the plate substrate; and a p-type doped layer which forms a whole perimeter of an edge portion defining an inner perimeter of the ejection port of the nozzle in the plate substrate.

REFERENCES:
patent: 2003/0030696 (2003-02-01), Sato et al.
patent: 2001-328263 (2001-11-01), None
patent: 2001-328263 (2001-11-01), None

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