Liquid jet recording head having a substrate with minimized elec

Details Liquid jet recording head having a substrate with minimized elec Liquid jet recording head having a substrate with minimized elec

1991-10-31

1993-05-18

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

257773, B41J 205

Patent

active

052125033

ABSTRACT:
A substrate for use with a liquid jet recording head has a semiconductor substrate, functional elements formed on said semiconductor substrate, and electro-thermal transducers electrically connected to the functional elements for generating thermal energy to be utilized to discharge liquid. The substrate comprises a common electrode electrically connected to the functional elements in common. The common electrode has a notch at a position facing control electrodes formed between adjacent functional elements. The notch minimizes the overlap of the common electrode and the control electrodes to decrease the probability of an electrical defect.

REFERENCES:
patent: 4429321 (1984-01-01), Matsumoto
patent: 4467345 (1984-08-01), Ozawa

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