Metal working – Piezoelectric device making
Patent
1997-03-18
1998-12-08
Vo, Peter
Metal working
Piezoelectric device making
29417, 29469, 298901, 216 27, 310367, 347 40, 347 47, 347 63, 347 70, H01L 4122, B41J 201, B41J 214, B41J 216
Patent
active
058453806
ABSTRACT:
An ink jet printing head that, based on the face shooter principle, contains a nozzle row arranged in the z-direction in the surface of a plate, allowing an ink jet to be ejected in the y-direction, a membrane plate arranged on a first chamber plate carrying the ink chambers, and paths for delivering and actuators for expelling ink from each chamber. The ink jet printing head also has a second chamber plate in a different level from the first chamber plate. The chambers of the second chamber plate are arranged offset in the x- and z-directions relative to the chambers of the first chamber plate. The overlap of chambers of neighboring levels becomes minimal as a result. After a pre-treatment of the plate material of which the printing head is constructed, a masking and etching of the plates ensues in a parallel plate processing for all individual parts. Separated, finished discrete parts are joined and contacted to form a module.
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Francotyp-Postalia AG & Co.
Vo Peter
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