Method for manufacturing an inkjet head

Details Method for manufacturing an inkjet head Method for manufacturing an inkjet head

2008-04-08

2008-04-08

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

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

C029S025350, C029S830000, C029S831000, C029S832000, C347S065000

Reexamination Certificate

active

11055771

ABSTRACT:
A method for manufacturing an inkjet head includes producing a flow path unit, producing an actuator unit, bonding the actuator unit with the flow path unit to produce a bonded structure; measuring a frequency characteristic of impedance of the piezoelectric structure of the bonded structure in each of regions facing at least one of the pressure chambers, and determining whether or not the bonded structure is a good product on a basis of at least one of a distribution of (Fa−Fr) in the plural regions where Fa represents antiresonance frequency of each region at which impedance of each region are maximal and Fr represents resonance frequency of each region at which impedance of each region is minimal, a distribution of Fr in the plural regions, and a distribution of Zr in the plural regions, where Zr represents impedance of each region at the resonance frequency of each region.

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