Substrate for liquid ejecting head, liquid ejecting head, and recording apparatus
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United States of America Patent
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Oct 27, 2015
Grant Date -
Mar 5, 2015
app pub date -
Aug 25, 2014
filing date -
Aug 27, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A substrate for a liquid ejecting head according to an exemplary embodiment of the present invention includes a first area having a plurality of ejection heaters and a driving circuit that is configured to supply electric energy to the plurality of ejection heaters disposed thereon, a second area having a signal supplying circuit that is configured to supply an electric signal to the driving circuit disposed thereon, and a heater that is configured to heat the substrate and that includes a first portion disposed in the first area and a second portion disposed in the second area. The magnitude of a current supplied to the first portion differs from the magnitude of a current supplied to the second portion.
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