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    • 8. 发明授权
    • Piezo-electric type page width inkjet printhead and image forming apparatus having the same
    • 压电式页宽喷墨打印头和具有该打印头的图像形成装置
    • US07874650B2
    • 2011-01-25
    • US11780183
    • 2007-07-19
    • Seok-soon BaekSeung-joo ShinSeong-jin Kim
    • Seok-soon BaekSeung-joo ShinSeong-jin Kim
    • B41J2/045
    • B41J2/055B41J2/14233B41J2002/14419B41J2202/11
    • A piezo-electric type page width inkjet printhead includes an intermediate substrate that includes a pressure chamber to be filled with ink to be ejected, a manifold connected to an ink entrance hole to store ink that flows in through the ink entrance hole, a restrictor to connect the manifold to one end of the pressure chamber, and a damper formed through the intermediate substrate corresponding to the other end of the pressure chamber, a lower substrate including a nozzle formed through a portion of the lower substrate, which corresponds to the damper, to eject the ink, an upper substrate formed on the intermediate substrate to seal an upper side of the pressure chamber, and a piezoelectric actuator formed on the upper substrate to generate a driving power to the pressure chamber to eject the ink through the nozzle, wherein the intermediate substrate includes a both-sided copper clad laminate plate including an upper copper film and a lower copper film that are respectively formed on top and bottom surfaces of the laminate plate.
    • 压电式页宽喷墨打印头包括中间基板,该中间基板包括要填充要喷射的墨的压力室,连接到墨水入口孔的歧管以存储通过墨水入口孔流入的墨水,限流器 将所述歧管连接到所述压力室的一端,以及通过所述中间衬底形成的对应于所述压力室的另一端的阻尼器,包括通过所述下部衬底的对应于所述阻尼器的部分形成的喷嘴的下部衬底, 为了喷射油墨,形成在中间基板上的上基板以密封压力室的上侧;以及压电致动器,其形成在上基板上,以产生到压力室的驱动力,以通过喷嘴喷射墨,其中 中间基板包括分别形成有上铜膜和下铜膜的双面铜箔层叠板 层压板的顶面和底面。