Metal working – Piezoelectric device making
Patent
1995-12-11
1998-05-19
Vo, Peter
Metal working
Piezoelectric device making
298901, 216 27, 347 40, 347 47, 347 68, H01L 4122, B41J 201, B41J 214, B41J 216
Patent
active
057523037
ABSTRACT:
A method for manufacturing 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
LandOfFree
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