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    • 3. 发明申请
    • Inkjet printhead
    • 喷墨打印头
    • US20070139482A1
    • 2007-06-21
    • US11483763
    • 2006-07-11
    • You-seop LeeKeon KukBang-weon Lee
    • You-seop LeeKeon KukBang-weon Lee
    • B41J2/05
    • B41J2/1404B41J2/14056B41J2002/14387
    • An inkjet printhead is provided. The inkjet printhead includes an ink chamber filled with ink to be ejected, a nozzle through which the ink is ejected from the ink chamber, a manifold to supply the ink to the ink chamber, and a restrictor that connects the ink chamber and the manifold and includes a protrusion formed on an inner wall of the restrictor. A main heater is formed on an inner wall of the ink chamber and generates a main bubble in the ink chamber to eject ink and an auxiliary heater is formed on an inner wall of the restrictor and generates an auxiliary bubble to suppress the main bubble in the restrictor from expanding toward the restrictor. Thus, a refill speed of the ink to the ink chamber is increased and a driving frequency of the inkjet printhead is also increased.
    • 提供喷墨打印头。 喷墨打印头包括填充有要喷射的墨水的墨水室,墨水从墨水室喷射的喷嘴,将墨水供应到墨水室的歧管和连接油墨室和歧管的限流器和 包括形成在限制器的内壁上的突起。 主加热器形成在墨室的内壁上,并且在墨室中产生主气泡以喷射墨,并且在限流器的内壁上形成辅助加热器,并产生辅助气泡以抑制墨泡 限制器向限制器扩展。 因此,油墨向油墨室的再填充速度增加,并且喷墨打印头的驱动频率也增加。