Inkjet printhead and method of manufacturing the same

Details Inkjet printhead and method of manufacturing the same Inkjet printhead and method of manufacturing the same

2006-03-21

2009-08-04

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S061000

Reexamination Certificate

active

07568784

ABSTRACT:
An inkjet printhead and a method of manufacturing the same. The inkjet printhead may include a substrate in which a manifold to supply ink is formed in a lower portion of the substrate and a plurality of ink feed holes connected to the manifold are formed in an upper portion of the substrate, feed hole guides that are formed on inner sidewalls of the ink feed holes to define lengths of the ink feed holes, a chamber layer stacked on the substrate, the chamber layer including a plurality of ink chambers connected to the ink feed holes, a plurality of heaters to heat ink inside the ink chambers to generate bubbles, and a nozzle layer stacked on the chamber layer, the nozzle layer including a plurality of nozzles, the ink being ejectable through the nozzles.

REFERENCES:
patent: 4894664 (1990-01-01), Tsung Pan
patent: 6761436 (2004-07-01), Tobita et al.
patent: 0 972 643 (2000-01-01), None
patent: 2004-330605 (2004-11-01), None
patent: 1020010066825 (2001-07-01), None
patent: 1020030082261 (2003-10-01), None

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