Substrate for thermal recording head, ink jet recording head usi

Details Substrate for thermal recording head, ink jet recording head usi Substrate for thermal recording head, ink jet recording head usi

1994-09-02

1999-08-24

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Controller

347 17, 347 67, B41J 29393, B41J 2938, B41J 205

Patent

active

059430702

ABSTRACT:
This invention has as its object to provide a substrate for an ink jet recording head, which is compact and can realize stable recording with high reliability, a recording head using the substrate, a recording apparatus mounting the recording head, and a method of driving the recording head.
There are disclosed a substrate for a thermal recording head, having a plurality of heating resistor elements, a plurality of wiring electrodes for supplying driving signals to the heating resistor elements, a function element, electrically connected to the heating resistor elements, for selectively driving the plurality of heating resistor elements, and a measurement resistor element which is electrically independent from the heating resistor elements and the function element, and has a resistance value larger than that of each heating resistor element, an ink jet head, a head cartridge, and a recording apparatus utilizing the substrate, and a method of driving a recording head using a measurement resistor.

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