Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1995-10-17
1999-09-21
Yockey, David F.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
347 40, B41J 2045, B41J 2145
Patent
active
059560592
ABSTRACT:
Green sheets of ceramic are stacked and sintered, to form a pressure-generating-chamber forming member 7 which forms pressure generating chambers 4 with its one surface sealed with an elastic board 2, a flow path regulating board 61 which has flow path regulating holes 60 which apply flow path resistance to ink supplying paths connected to the pressure generating chambers 4, and a common-ink-chamber forming board 18 which has a common ink chamber 19 which is communicated through the flow path regulating holes 60 with the pressure generating chambers 4 which are joined together with no adhesive layer, thus providing a flow path forming member. A green sheet of piezo-electric material is laid on the surface of the elastic board 2, and sintered, to form piezo-electric vibrating plates 3 thereon. The flow path forming member is great in mechanical strength, and is prevented from being bent by the contraction which may occurs when the piezo-electric material is sintered. In addition, the through-holes in the components of the flow path forming member can be corrected in position or in configuration when they are in the form of green sheets.
REFERENCES:
patent: 4611219 (1986-09-01), Sugitani et al.
patent: 4680595 (1987-07-01), Cruz-Uribe et al.
patent: 4766671 (1988-08-01), Utsumi et al.
patent: 5237343 (1993-08-01), Osada
patent: 5617127 (1997-04-01), Takeuchi et al.
Seiko Epson Corporation
Yockey David F.
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