Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1994-06-07
1997-09-09
Hartary, Joseph W.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
257337, 438 21, B41V 205
Patent
active
056661428
ABSTRACT:
A recording head comprises electrothermal transducers for jetting ink and functional devices for driving these electrothermal transducers, both of which are arranged on a single substrate plate. The functional devices comprise a pair of major electrode regions such as drain and source regions arranged on the substrate plate, a region comprising control electrode region and surrounding one of electrode regions used to be grounded, an insulating layer arranged on the control electrode region and a control electrode arranged on the insulating layer. The control layer alters the semiconductor types of a boundary surface of the control electrode region by applying a control voltage through the insulating layer and as a result a current flow between major electrode regions, source and drain, is controlled.
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Fujita Kei
Matsumoto Shigeyuki
Saito Asao
Canon Kabushiki Kaisha
Hartary Joseph W.
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