B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/07 (2006.01) B41J 2/05 (2006.01)
Patent
CA 2390750
A stable operation is realized without any malfunction of a driver even under a voltage condition that a supplied voltage is 3.3 V or lower. For this purpose, in an ink-jet printhead having an ink orifice for discharging ink, a plurality of heat generation elements for generating heat energy used to discharge ink, and an ink channel which incorporates the heat generation elements and communicates with the ink orifice, a driver for driving the heat generation elements, and a logic circuit for controlling the driver are formed on a single board. The gate oxide film thickness of an enhancement NMOS transistor which forms the driver is larger than that of an enhancement NMOS transistor which forms the logic circuit.
Furukawa Tatsuo
Hirayama Nobuyuki
Imanaka Yoshiyuki
Mochizuki Muga
Saito Ichiro
Canon Kabushiki Kaisha
Ridout & Maybee Llp
LandOfFree
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