Method of producing an ink-jet printing head

Details Method of producing an ink-jet printing head Method of producing an ink-jet printing head

2007-05-22

2007-05-22

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Fluid pattern dispersing device making, e.g., ink jet

C029S025350, C029S830000, C029S831000, C029S832000, C347S068000

Reexamination Certificate

active

10940913

ABSTRACT:
A method of producing an ink-jet printing head, the method including: forming a pre-unit in which nozzles and a common ink chamber are formed; forming pressure chambers in a cavity plate through its thickness; forming a piezoelectric actuator by stacking piezoelectric sheets each having a size substantially covering the pressure chambers, with at least one electrode being interposed between adjacent two of the sheets; a step of forming an integral body by stacking and bonding the actuator and the cavity plate such that one of opposite openings of each of the pressure chambers is closed by the actuator; and a step of bonding the integral body to the pre-unit, such that the pressure chambers respectively communicate with the nozzles and the at least one common ink chamber and such that the other of the opposite openings of each of the pressure chambers is closed by the pre-unit.

REFERENCES:
patent: 5402159 (1995-03-01), Takahashi et al.
patent: 5956059 (1999-09-01), Usui
patent: 5963234 (1999-10-01), Miyazawa et al.
patent: 6033058 (2000-03-01), Usui et al.
patent: 6134761 (2000-10-01), Usui
patent: 2003/0067510 (2003-04-01), Isono
patent: 2003-112423 (2003-04-01), None

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