Element substrate, liquid discharge head, and printing apparatus
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United States of America Patent
Stats
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Mar 28, 2017
Grant Date -
Jul 7, 2016
app pub date -
Dec 29, 2015
filing date -
Jan 6, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
According to one embodiment, an element substrate includes: heater arrays each having heaters arranged in parallel; corresponding transistors for driving the heaters included in the heater arrays; a first pad for supplying a voltage to be applied to the heaters; and a second pad for grounding the heaters. The element substrate is provided with a first wiring for connecting the first pad to the heaters, and a second wiring for connecting the heaters to the second pad. Furthermore, sizes of the transistors included in a heater array, of the heater arrays, provided at a position where intervals with respect to the first pad and the second pad are relatively large are set to be larger than the sizes of the transistors included in a heater array provided at a position where the intervals are relatively small.
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Cited Art Landscape
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