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    • 52. 发明申请
    • INK JET HEADS
    • 墨水喷头
    • US20070242109A1
    • 2007-10-18
    • US11693963
    • 2007-03-30
    • Koji Ito
    • Koji Ito
    • B41J2/045
    • B41J2/14209B41J2002/14217B41J2002/14225B41J2002/14306B41J2002/14362B41J2002/14403B41J2002/14419B41J2002/14459B41J2002/14491B41J2202/08
    • An inkjet head includes a flow passage unit having an ink flow passage formed therein, in which ink flows, and an actuator unit secured to the flow passage unit. The actuator unit is configured to apply a discharge energy to the ink within the ink flow passage. The inkjet head also includes a driver IC configured to supply a drive signal to the actuator unit, a plurality of plates extending from the flow passage unit, and a cover member secured to the plurality of plates. The cover member, the plurality of plates, and the flow passage unit define a closed space, and the driver IC is disposed within the closed space. Moreover, the driver IC opposes at least a portion of an inside surface of one of the plurality of plates and is thermally coupled to the one of the plurality of plates, and an outside surface of the one of the plurality plates has a heat radiation property which is greater than a heat radiation property of the inside surface of the one of plurality of plates.
    • 喷墨头包括具有形成在其中的油墨流动通道的流动通道单元,其中油墨流动,并且致动器单元固定到流路单元。 致动器单元构造成向墨水流动通道内的墨水施加排出能量。 喷墨头还包括被配置为向致动器单元提供驱动信号的驱动器IC,从流动通道单元延伸的多个板以及固定到多个板的盖构件。 盖构件,多个板和流路单元限定封闭空间,并且驱动器IC设置在封闭空间内。 此外,驱动器IC与多个板中的一个板的内表面的至少一部分相对并且与多个板中的一个热耦合,并且多个板之一的外表面具有散热性 其大于多个板中的一个的内表面的散热性。