Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1996-12-19
1998-04-28
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
342 42, 342 45, B41J 214, B41J 2155
Patent
active
057451362
ABSTRACT:
A liquid jet head for discharging liquid comprises a plurality of element boards each having electrothermal transducing elements to generate thermal energy for discharging liquid, and functional elements to drive the electrothermal transducing elements on one and the same board; and a circuit board having the wirings through which the functional elements input signals from or output signals to outside. Electrical connections are made so that the output signals from the element board are inputted to the adjacent element board through the circuit board. In this way, no connections are needed between chips in wire bonding to make the directions of bonding one-way, leading to a significantly increased efficiency of work on the wire connection. Also, with this structure, the adverse effect that would otherwise be produced on the element boards can be avoided in wire bonding, making it possible to miniaturize the element boards, and the head accordingly, and implement a highly densified nozzle arrangement for an elongated head.
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Canon Kabushiki Kaishi
Fuller Benjamin R.
Hallacher Craig A.
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