Ink jet head substrate and ink jet head using same arranged stag

Details Ink jet head substrate and ink jet head using same arranged stag Ink jet head substrate and ink jet head using same arranged stag

1995-04-13

1997-12-09

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 58, B41J 214, B41J 216

Patent

active

056965443

ABSTRACT:
An ink jet head substrate including a base plate; an elongated through opening, for ink supply port, extending in a longitudinal direction of the base plate; a plurality of heat generating resisters arranged on the base plate along both sides of the opening; a pair of electrodes electrically connected to the heat generating resisters; electrode pads for external electric connection, the pad being arranged adjacent opposite ends of the base plate substantially in parallel with a line along which the heat generating resisters are arranged; wherein a length Ls of the base plate measured in a direction along the line, a length Lh of a range in which the heat generating resisters are arranged, and a length Lp of a range in which the pads are disposed, satisfy

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