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    • 7. 发明授权
    • Inkjet printhead having low-loss contact for thermal actuators
    • 用于热致动器的喷墨打印头具有低损耗接触
    • US08967772B2
    • 2015-03-03
    • US12909748
    • 2010-10-21
    • Angus John NorthRichard DimagibaWitold Roman Wiszniewski
    • Angus John NorthRichard DimagibaWitold Roman Wiszniewski
    • B41J2/05B41J2/16B41J2/14
    • B41J2/1648B41J2/14072B41J2/14129B41J2/1628B41J2/1631B41J2/1642B41J2/1646Y10T29/49165Y10T29/49401
    • An inkjet printhead that has a supporting substrate, a conductive layer deposited in a pattern on one side of the supporting substrate, an insulating layer deposited such that the conductive layer is between the insulating layer and the supporting substrate, an ink chamber supported on the supporting substrate such that the conductive layer is between the ink chambers and the supporting substrate, a nozzle in fluid communication with the ink chamber, a heater on the insulating layer configured to vaporize some ink in the ink chamber such that a droplet of ink is ejected through the nozzle, the heater having a resistive element extending between a pair of contacts and, at least one metallic via in each of the contacts respectively, the metallic vias extending through the insulating layer to establish and electrical connection between the conductive layer and the contacts. The insulating layer has a planar surface on which the heater is supported.
    • 一种喷墨打印头,其具有支撑基板,在支撑基板的一侧上以图案形式沉积的导电层,沉积成使得导电层位于绝缘层和支撑基板之间的绝缘层,支撑在支撑基板上的墨室 基板,使得导电层位于墨室和支撑基板之间,与墨室流体连通的喷嘴,绝缘层上的加热器被配置为蒸发墨室中的一些墨,使得墨滴喷射通过 所述喷嘴,所述加热器具有在一对触点之间延伸的电阻元件和分别在每个触点中的至少一个金属通孔,所述金属通孔延伸穿过所述绝缘层,以在所述导电层和所述触点之间建立和电连接。 该绝缘层具有平坦的表面,加热器被支撑在该平面上。