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    • 7. 发明授权
    • Piezoelectric actuator for an ink-jet printhead and method of forming the same
    • 用于喷墨打印头的压电致动器及其形成方法
    • US07681989B2
    • 2010-03-23
    • US11064826
    • 2005-02-25
    • Hwa-sun LeeJae-woo ChungSeung-mo LimSung-gyu Kang
    • Hwa-sun LeeJae-woo ChungSeung-mo LimSung-gyu Kang
    • B41J2/16H01L41/24B41J2/45
    • B41J2/14233B41J2/161B41J2/1628B41J2/1631B41J2/1642B41J2002/14491Y10T29/42
    • In a piezoelectric actuator for an ink-jet printhead, and a method of forming the same, formed on a flow path plate having a pressurizing chamber, the piezoelectric actuator for applying a driving force for ink ejection to the pressurizing chamber, the piezoelectric actuator includes a lower electrode formed on the flow path plate, a bonding pad formed on the flow path plate to be insulated from the lower electrode, wherein a driving circuit for voltage application is bonded to an upper surface of the bonding pad, a piezoelectric layer formed on the lower electrode at a position corresponding to the pressurizing chamber, wherein an end of the piezoelectric layer extends onto the bonding pad, and an upper electrode formed on the piezoelectric layer, wherein an end of the upper electrode extends beyond the end of the piezoelectric layer and contacts the upper surface of the bonding pad.
    • 在具有加压室的流路板上形成的用于喷墨打印头的压电致动器及其形成方法中,压电致动器用于向加压室施加用于喷墨的驱动力,压电致动器包括 形成在所述流路板上的下电极,形成在所述流路板上以与所述下电极绝缘的接合焊盘,其中施加电压的驱动电路接合到所述接合焊盘的上表面,形成在所述接合焊盘的上表面上的压电层 所述下部电极在与所述加压室对应的位置处,其中所述压电层的端部延伸到所述接合焊盘上,以及形成在所述压电层上的上部电极,其中所述上部电极的端部延伸超出所述压电层的端部 并接触焊盘的上表面。
    • 8. 发明申请
    • Method of forming hydrophobic coating layer on surface of nozzle plate of inkjet head
    • 在喷墨头喷嘴板表面形成疏水涂层的方法
    • US20070182767A1
    • 2007-08-09
    • US11526611
    • 2006-09-26
    • Tae-woon ChaJae-woo Chung
    • Tae-woon ChaJae-woo Chung
    • B05D5/00B41J2/01
    • B41J2/1433B05D1/286B05D5/08B05D5/083B41J2/1606
    • An inkjet head nozzle plate having a hydrophobic coating layer and a method of forming a hydrophobic coating layer on the inkjet nozzle plate. The method including preparing a stamp and a nozzle plate having a plurality of nozzles, applying a hydrophobic material to the stamp, bonding the hydrophobic material to the nozzle plate by moving the stamp onto the nozzle plate and heating the nozzle plate to bond the hydrophobic material of the stamp to the nozzle plate, and separating the stamp from the nozzle plate. Portions of the hydrophobic material bonded to the nozzle plate remain at the nozzle plate to form the hydrophobic coating layer on the nozzle plate, and other portions of the hydrophobic material corresponding to the nozzles of the nozzle plate remain on the stamp and are separated from the nozzle plate when the stamp is separated from the nozzle plate.
    • 具有疏水性涂层的喷墨头喷嘴板和在喷墨喷嘴板上形成疏水性涂布层的方法。 该方法包括制备具有多个喷嘴的印模和喷嘴板,向印模施加疏水材料,通过将印模移动到喷嘴板上并加热喷嘴板以将疏水材料粘结到疏水材料上而将疏水材料粘合到喷嘴板 并将印模从喷嘴板上分离出来。 结合到喷嘴板的疏水材料的部分保留在喷嘴板上以在喷嘴板上形成疏水涂层,并且与喷嘴板的喷嘴对应的疏水材料的其它部分保留在印模上并与 当印模与喷嘴板分离时,喷嘴板。