Substrate and liquid jet recording head with particular electrod

Details Substrate and liquid jet recording head with particular electrod Substrate and liquid jet recording head with particular electrod

1996-05-28

2000-10-31

Moses, Richard

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347208, 347 58, 338308, 338333, B41J 205

Patent

active

061391301

ABSTRACT:
A substrate for a recording head includes a heat generating resistor for generating thermal energy to eject liquid, and a pair of opposed electrodes which are electrically connected to the heat generating resistor to supply electric signal to that heat generating resistor. A portion of the heat generating resistor interposed between the electrodes constitutes a heat generating portion, and the electrodes have respective ends adjacent to the heat generating resistor, each of which ends has a smooth convex shape. The width of a pattern constituting the heat generating resistor is greater than a width of a pattern constituting the electrodes.

REFERENCES:
patent: 2621276 (1952-12-01), Howland
patent: 4385226 (1983-05-01), Sauer
patent: 4602261 (1986-07-01), Matsuda et al.
patent: 4631555 (1986-12-01), Ikeda et al.
patent: 4719478 (1988-01-01), Tachihara et al.
patent: 4870433 (1989-09-01), Campbell
patent: 4940999 (1990-07-01), Ikeda et al.
patent: 5148191 (1992-09-01), Hasegawa et al.
patent: 5164747 (1992-11-01), Osada et al.

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