Thermal inkjet printhead apparatus to regulate pressure...

Details Thermal inkjet printhead apparatus to regulate pressure... Thermal inkjet printhead apparatus to regulate pressure...

2005-12-20

2008-12-30

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S062000, C347S063000, C347S067000

Reexamination Certificate

active

07470001

ABSTRACT:
A thermal inkjet printhead. The inkjet printhead includes a heater that heats an ink in an ink chamber to generate a bubble, conductors to supply an electric current to the heater, and a bubble separation wall protuberantly formed on the heater to protect the heater by inducing an extermination position of a bubble when the bubble generated by the heater shrinks and dissipates.

REFERENCES:
patent: 4794410 (1988-12-01), Taub et al.
patent: 4914562 (1990-04-01), Abe et al.
patent: 7168787 (2007-01-01), Jung et al.
patent: 59-95155 (1984-06-01), None
patent: 63-189244 (1988-08-01), None
patent: 2001-45305 (2001-06-01), None
Chinese Office Action dated May 30, 2008 issued in CN 2006-10067606.2.

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