Printhead with multiple ink feeding channels

Details Printhead with multiple ink feeding channels Printhead with multiple ink feeding channels

2006-05-30

2006-05-30

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S094000

Reexamination Certificate

active

07052116

ABSTRACT:
A thermal ink jet printhead (40) for the emission of droplets of ink on a print medium (46) comprises a reservoir (103) containing ink (142), a die (61), a slot (102) engraved in said die (61) and a plurality of ejectors (73), each of which in turn comprises a chamber (74), a resistor (27) and a nozzle (56), each of said chambers (74) being put in fluid communication with said slot (102) through a plurality of elementary ducts (72) lying on a different plane from the bottom (67) of said chamber (74).

REFERENCES:
patent: 4502060 (1985-02-01), Rankin et al.
patent: 5666143 (1997-09-01), Burke et al.
patent: 5734399 (1998-03-01), Weber et al.
patent: 6286941 (2001-09-01), Courian et al.
patent: 0 549 211 (1993-06-01), None
patent: 0 564 069 (1993-10-01), None
patent: 0 678 387 (1995-10-01), None
patent: 0 694 398 (1996-01-01), None
Search Report (dated Apr. 10, 2001), International Application No. PCT/IT00/00534.

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