Substrate for thermal recording head, ink jet recording head...

B - Operations – Transporting – 41 – J

Patent

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B41J 2/15 (2006.01) B41J 2/05 (2006.01) B41J 2/14 (2006.01) B41J 2/16 (2006.01) B41J 2/175 (2006.01)

Patent

CA 2131423

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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