Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1996-11-08
1999-11-09
Barlow, John
Incremental printing of symbolic information
Ink jet
Ejector mechanism
347 69, B41J 2045
Patent
active
059800275
ABSTRACT:
Piezoelectric elements forming actuators of an ink jet print head are bonded together by an adhesive layer having a thickness in a predetermined thickness range to obtain good coverage of electrodes formed on the side walls of the actuators. The adhesive layer for bonding together two types of piezoelectric elements forming the side wall has a small thickness enabling the electrodes to cover a percentage of each side wall not lower than a predetermined value. Therefore, the electrodes extending across the two types of piezoelectric elements will not be disconnected, desired characteristics of the actuators can be secured, and the jetting performance of the ink jet print head will not deteriorate.
REFERENCES:
patent: 4879568 (1989-11-01), Bartky et al.
patent: 5400064 (1995-03-01), Pies et al.
patent: 5477247 (1995-12-01), Kanegae
Barlow John
Brother Kogyo Kabushiki Kaisha
Dickens C.
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