Ink-jet printhead

Details Ink-jet printhead Ink-jet printhead

2006-11-24

2009-06-30

Shah, Manish S (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S067000

Reexamination Certificate

active

07553002

ABSTRACT:
An ink-jet printhead including a substrate, in which an integrated circuit for a driving logic circuit to selectively drive the nozzle, and a logic circuit to input/output printing data to/from a fuse array, are formed. The printhead further includes an electrode which is used for wirings of the integrated circuit and the logic circuit and is patterned on the substrate, a plurality of heaters which are formed on the electrode and generate heat by current applied through the electrode from the integrated circuit, and a fuse array which includes a plurality of fuse members formed on the electrode on a same plane with the heater and selectively fused by current applied through the electrode from the logic circuit and stores printing data. The printhead further includes a cover member which is provided on the heater and the fuse array and in which an ink chamber and a nozzle are formed in a position corresponding to each of the heaters.

REFERENCES:
patent: 5302546 (1994-04-01), Gordon et al.
patent: 5565702 (1996-10-01), Tamura et al.
patent: 6336713 (2002-01-01), Regan et al.
patent: 6390589 (2002-05-01), Imanaka et al.
patent: 6512284 (2003-01-01), Schulte et al.
patent: 2002/0126182 (2002-09-01), Miyamoto
patent: 000571093 (1993-11-01), None

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