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    • 1. 发明申请
    • INKJET PRINTING APPARATUS AND METHOD THEREOF
    • 喷墨打印设备及其方法
    • US20120013672A1
    • 2012-01-19
    • US13259561
    • 2009-05-29
    • Bill HollandNapolean LeoniOmer GilaEric G. Hanson
    • Bill HollandNapolean LeoniOmer GilaEric G. Hanson
    • B41J2/06
    • B41J11/0015
    • An inkjet printing apparatus includes a media transport unit to transport a print media along a print media transport path, at least one printhead assembly including an inkjet printhead having a plurality of nozzles to print on a select portion of the print media, the inkjet printhead forming a print region adjacent to the nozzles in an area between the printhead assembly and a print portion of the print media transport path, and at least one of an electrostatic discharge unit to neutralize a resulting electrical charge on at least the select portion of the print media before the at least select portion of the print media enters the print region and a neutralization unit to neutralize an electric field in the print region.
    • 一种喷墨打印设备包括:一个介质传送单元,用于沿打印介质输送路径输送打印介质;至少一个打印头组件,其包括具有多个喷嘴的喷墨打印头,以在打印介质的选择部分上打印;喷墨打印头形成 在所述打印头组件和所述打印介质传送路径的打印部分之间的区域中与所述喷嘴相邻的打印区域,以及静电放电单元中的至少一个,用于在至少所述打印介质的所述选择部分上中和所产生的电荷 在打印介质的至少选择部分进入打印区域之前,以及中和单元以中和打印区域中的电场。
    • 9. 发明授权
    • Amorphous diffusion barrier for thermal ink jet print heads
    • 热喷墨打印头的无定形扩散屏障
    • US4965611A
    • 1990-10-23
    • US327078
    • 1989-03-22
    • Alfred I. PanEric G. Hanson
    • Alfred I. PanEric G. Hanson
    • B41J2/05B41J2/16
    • B41J2/14129B41J2/1601B41J2/1646B41J2202/03
    • Disclosed is an improved thermal ink jet print head with an amorphous diffusion barrier that inhibits corrosion associated with ink. The head has a silicon substrate, a silicon dioxide insulating layer, a tantalum aluminum alloy (TaAl) resistive layer, and two separated gold conductive regions formed over the resistive layer. Ink is drawn into a channel bounded above by an orifice plate and below by the TaAl exposed between the two separated gold regions. The ink is superheated and expelled as fine droplets through the orifice plate. The invention minimizes corrosion by placing a thin corrosion-resistant layer of amorphous metallic alloy over the conductive layer, thereby improving durability of the print head.
    • 公开了一种改进的热喷墨打印头,其具有抑制与油墨相关的腐蚀的无定形扩散阻挡层。 头部具有硅衬底,二氧化硅绝缘层,钽铝合金(TaAl)电阻层和形成在电阻层上的两个分开的金导电区域。 油墨通过孔板被界定在上面的通道中,并且被暴露在两个分离的金区域之间的TaAl下面。 油墨过热并通过孔板作为细小液滴排出。 本发明通过在导电层上放置非晶态金属合金薄层耐腐蚀层,从而提高了印刷头的耐久性,使腐蚀最小化。