High print quality inkjet printhead

Details High print quality inkjet printhead High print quality inkjet printhead

2006-02-28

2006-02-28

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S058000

Reexamination Certificate

active

07004556

ABSTRACT:
Several improvements have been made in inkjet print cartridges to realize 5 ng drop weights at ejection frequencies of 18 KHz. These improvements include small nozzle openings, improved heater resistor efficiency, and better ink supply reliability.

REFERENCES:
patent: 5030971 (1991-07-01), Drake et al.
patent: 5638101 (1997-06-01), Keefe et al.
patent: 6234598 (2001-05-01), Torgerson et al.

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