Semiconductor device, liquid discharge head, liquid discharge head cartridge, and printing apparatus
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United States of America Patent
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Mar 5, 2019
Grant Date -
Jan 18, 2018
app pub date -
Jul 5, 2017
filing date -
Jul 14, 2016
priority date (Note) -
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Abstract
A semiconductor device is provided. The device comprises discharge units each including a discharge element and a driving unit configured to drive the discharge element, and a terminal unit configured to supply power to the discharge units via a wiring line. The discharge units include a first discharge unit including a first discharge element of the discharge elements and a first driving unit of the driving units and a second discharge unit including a second discharge element of the discharge elements and a second driving unit of the driving units. A length of a current path from the terminal unit to the first discharge unit is longer than a length of a current path from the terminal unit to the second discharge unit and a resistance of the first driving unit is lower than a resistance of the second driving unit.
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