Ink ejecting head and method for making the same

Details Ink ejecting head and method for making the same Ink ejecting head and method for making the same

2007-04-03

2007-04-03

Do, An H. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S058000

Reexamination Certificate

active

10770798

ABSTRACT:
An ink ejecting head includes a nozzle sheet having nozzles for ejecting droplets; a head chip having an energy generator opposing each of the nozzles; a barrier layer interposed between the nozzle sheet and the head chip for forming the space for a liquid chamber; a pad provided in a surface of the head chip, the surface opposing the nozzle sheet; and a wiring layer disposed on a surface of the nozzle sheet, the surface adjacent to the head chip; and a bump disposed on the wiring layer, being at least in contact with the pad of the head chip, and bonded to the pad by ultrasonic bonding.

REFERENCES:
patent: 4942408 (1990-07-01), Braun
patent: 6616269 (2003-09-01), Nozawa

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