Metal working – Method of mechanical manufacture – Electrical device making
Patent
1995-03-02
1999-08-24
Echols, P. W.
Metal working
Method of mechanical manufacture
Electrical device making
298901, 21912172, 347 65, 347 93, H05B 300, B23K 2600, B41J 201
Patent
active
059409576
ABSTRACT:
A common recess, grooves, and common recess and/or column members in the grooves are formed on a base board at the same time, and such board is made a second base board, which is coupled to a first base board on which elements for liquid discharging energy are formed; hence obtaining an ink jet recording head provided with a filter unit in an arbitrary position in the region formed by the ink paths and the common liquid chamber. The filter unit can be processed by a single processing in the ink paths and/or the common liquid chamber to make it possible to prevent disabled discharge from taking place due to dust particles intermingled at the time of head manufacture. In this way, the discharging stability is enhanced, making a high-speed printing possible. A workpiece is efficiently processed by a single processing which is performed to process a three-dimensional configuration with respect to the direction in which the laser beam is irradiated.
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Goto Akira
Hayasaki Kimiyuki
Inaba Masaki
Ishimatsu Shin
Karita Seiichiro
Canon Kabushiki Kaisha
Echols P. W.
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