Apparatus for ejecting droplets and method for manufacturing...

Details Apparatus for ejecting droplets and method for manufacturing... Apparatus for ejecting droplets and method for manufacturing...

2006-05-23

2006-05-23

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S068000

Reexamination Certificate

active

07048362

ABSTRACT:
An ink-jet head is constructed by a passage unit and an actuator unit being put in layers. The passage unit and the actuator unit are independently formed, and then bonded to each other by being heated with a thermosetting adhesive being interposed therebetween to not less than a curing temperature of the thermosetting adhesive. At an operating temperature after the thermosetting adhesive has cured by heat so as to bond the passage unit and the actuator unit to each other, the actuator unit receives stress of −40 MPa to 10 MPa in a direction parallel to a face thereof bonded to the passage unit. Accordingly, both of capacitance between electrodes included in the actuator unit and a drive voltage required for driving the actuator unit are optimized.

REFERENCES:
patent: 3317762 (1967-05-01), Corwin et al.
patent: 6142616 (2000-11-01), Akahane
patent: 2002/0080213 (2002-06-01), Shimada et al.
patent: 2002234171 (2002-08-01), None
Marks' Standard Handbook for Mechanical Engineers, 10thed. New York, McGraw-Hill, 1996. pp. 6-11. TJ151.S82 1996.

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