Ink-jet head having projecting portion

Details Ink-jet head having projecting portion Ink-jet head having projecting portion

1996-09-17

2000-02-15

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 67, B41J 214

Patent

active

060244399

ABSTRACT:
The present invention provides an ink-jet head, an ink-jet cartridge and an ink-jet apparatus, which can provide certain and stable electrical connection in a separable manner between an energy generation element unit and a driving element unit. The ink-jet head includes the energy generation element unit U.sub.E having signal wires for supplying electric signals for heat generating resistors, and connecting electrodes projectingly provided at the ends of the signal wires positioned on the mating surface F.sub.E, and the driving element unit U.sub.D having signal wires for feeding electric signals from the driving elements for driving head generating resistors, and connecting electrodes projectingly provided at the ends of the signal wires positioned on the mating surface F.sub.D. The connecting electrodes are connected to each other by mutually mating the mating surfaces F.sub.E and F.sub.D of the energy generation element unit U.sub.E and the driving element unit U.sub.D. Projecting portion is formed on at least one of the mating surfaces F.sub.E for maintaining mating interval between two units U.sub.E and U.sub.D.

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