Liquid discharging head and liquid discharging apparatus...

Details Liquid discharging head and liquid discharging apparatus... Liquid discharging head and liquid discharging apparatus...

2008-03-14

2011-11-29

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S093000, C347S089000

Reexamination Certificate

active

08066362

ABSTRACT:
A liquid discharging head includes a head chip including a plurality of energy generating elements configured to discharge liquid and liquid chambers provided around the corresponding energy generating elements, and a common passage member configured to define a common passage communicating with all the liquid chambers in the head chip. the liquid is discharged from the liquid chambers by driving the energy generating elements so as to apply a discharging force to the liquid. The common passage member includes an inlet through which the liquid is supplied to the common passage, and an outlet through which the liquid is ejected from the common passage. The common passage includes a ceiling surface having a groove extending from the inlet toward the outlet.

REFERENCES:
patent: 4689641 (1987-08-01), Scardovi et al.
patent: 07-117232 (1995-05-01), None
patent: 2001-287361 (2001-10-01), None
patent: 2002-144576 (2002-05-01), None
patent: 2004-167839 (2004-06-01), None
patent: 2004-167929 (2004-06-01), None
patent: 2004-291441 (2004-10-01), None
patent: 2005-125670 (2005-05-01), None

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