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    • 2. 发明授权
    • Ink-jet printhead with improved ink ejection linearity and operating frequency
    • 喷墨打印头具有改进的喷墨线性和工作频率
    • US07163278B2
    • 2007-01-16
    • US10864390
    • 2004-06-10
    • Yong-soo LeeYong-soo OhKeon KukJi-hyuk LimDong-kee SohnMun-cheol Choi
    • Yong-soo LeeYong-soo OhKeon KukJi-hyuk LimDong-kee SohnMun-cheol Choi
    • B41J2/05
    • B41J2/14137
    • An ink-jet printhead includes a substrate having an ink chamber and a manifold, a nozzle plate formed on the substrate, first and second heaters, first and second conductors, and first and second ink channels. The nozzle plate includes a plurality of passivation layers formed of an insulating material, a heat dissipation layer formed on the passivation layers and made of a thermally conductive material, and a nozzle passing through the nozzle plate and in flow communication with the ink chamber. The first and second heaters and conductors are interposed between adjacent passivation layers of the nozzle plate. The ink channels are interposed between the ink chamber and the manifold, for providing flow communication between the ink chamber and the manifold. The first and second heaters, conductors and ink channels are symmetric with respect to the nozzle.
    • 喷墨打印头包括具有墨水室和歧管的基板,形成在基板上的喷嘴板,第一和第二加热器,第一和第二导体以及第一和第二墨水通道。 喷嘴板包括由绝缘材料形成的多个钝化层,形成在钝化层上并由导热材料制成的散热层和通过喷嘴板并与墨水室流动连通的喷嘴。 第一和第二加热器和导体介于喷嘴板的相邻钝化层之间。 油墨通道介于油墨室和歧管之间,用于提供油墨室和歧管之间的流动连通。 第一和第二加热器,导体和墨水通道相对于喷嘴是对称的。