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    • 7. 发明申请
    • PRINTHEAD ARCHITECTURES
    • PRINTHEAD建筑
    • WO2014003768A1
    • 2014-01-03
    • PCT/US2012/044728
    • 2012-06-28
    • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.MARDILOVICH, PeterCRUZ-URIBE, Tony S.SCHMIDT, Charles Gustav
    • MARDILOVICH, PeterCRUZ-URIBE, Tony S.SCHMIDT, Charles Gustav
    • B41J2/175B41J2/045
    • B41J2/14233B41J2002/14491
    • A printhead architecture includes a die having a chamber formed therein. The chamber is at least partially defined by opposed walls. An actuator is positioned over the chamber, and includes a first electrode, a piezoceramic layer in contact with the first electrode, and a second electrode in contact with the piezoceramic layer and discrete from the first electrode. A membrane, which is to be activated by the actuator, overlies the chamber and walls. A first trace, positioned adjacent to but discrete from the actuator, overlaps a portion of the chamber and a portion of one of the opposed walls. A second trace, positioned adjacent to but discrete from the actuator, overlaps another portion of the chamber and a portion of another one of the opposed walls. Each of the first and second traces has a respective width and thickness sufficient to provide additional stiffness to the membrane.
    • 打印头架构包括具有形成在其中的腔室的模具。 腔室至少部分地由相对的壁限定。 致动器位于室上方,并且包括第一电极,与第一电极接触的压电陶瓷层,以及与压电陶瓷层接触并与第一电极分离的第二电极。 要由致动器激活的膜覆盖室和壁。 邻近但离开致动器的第一迹线与腔室的一部分和相对壁中的一个的一部分重叠。 位于邻近但离开致动器的第二迹线与腔室的另一部分和另一个相对壁的一部分重叠。 第一和第二迹线中的每一个具有足以为膜提供附加刚度的相应宽度和厚度。