Printhead cartridge

Incremental printing of symbolic information – Ink jet – Controller

Reexamination Certificate

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Details

C347S017000

Reexamination Certificate

active

10276083

ABSTRACT:
A printhead cartridge for a multi-printhead ink jet printer includes an array of ink jet nozzles and a heat sink for controlling the temperature of the nozzles. The heat sink is made up of a copper block and thinner copper wing regions extending from the block parallel to the array of nozzles. A passageway for coolant water is formed in the block and extends into the wings as a thinner channel. The block and the wing regions are mounted in thermal contact with the array of ink jet nozzles. The heat sink has the advantage that it allows the cartridges in the printer to be stitched together to cover the full width of a substrate.

REFERENCES:
patent: 4962444 (1990-10-01), Niggemann
patent: 5016090 (1991-05-01), Galyon et al.
patent: 5017941 (1991-05-01), Drake
patent: 5021924 (1991-06-01), Kieda et al.
patent: 5023695 (1991-06-01), Umezawa et al.
patent: 5066964 (1991-11-01), Fukuda et al.
patent: 5270572 (1993-12-01), Nakajima et al.
patent: 5402160 (1995-03-01), Kadowaki et al.
patent: 5818516 (1998-10-01), Rezanka
patent: 6007176 (1999-12-01), Askren et al.
patent: 6174055 (2001-01-01), Sugikubo et al.
patent: 6280013 (2001-08-01), Wade et al.
patent: 0 498 293 (1992-08-01), None
patent: WO97/36212 (1997-10-01), None

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