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    FLUID EJECTION DEVICES
    1.
    发明公开
    FLUID EJECTION DEVICES 审中-公开

    公开(公告)号：US20240157699A1

    公开(公告)日：2024-05-16

    申请号：US18423505

    申请日：2024-01-26

    申请人： FUJIFILM Dimatix, Inc.

    发明人： Christoph Menzel ,  Darren T. Imai

    IPC分类号： B41J2/14 ,  B41J2/16

    CPC分类号： B41J2/14209 ,  B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2002/14403 ,  B41J2002/14459 ,  B41J2202/12

    摘要： A fluid ejector includes a nozzle layer, a body, an actuator and a membrane. The body includes a pumping chamber, a return channel, and a first passage fluidically connecting the pumping chamber to an entrance of the nozzle. A second passage fluidically connects the entrance of the nozzle to the return channel. The actuator is configured to cause fluid to flow out of the pumping chamber such that actuation of the actuator causes fluid to be ejected from the nozzle. The membrane is formed across and partially blocks at least one of the first passage, the second passage or the entrance of the nozzle. The membrane has at least one hole therethrough such that in operation of the fluid ejector fluid flows through the at least one hole in the membrane.

    LIQUID EJECTION UNIT AND MANUFACTURING METHOD OF THE SAME
    2.
    发明公开
    LIQUID EJECTION UNIT AND MANUFACTURING METHOD OF THE SAME 审中-公开

    公开(公告)号：US20240051296A1

    公开(公告)日：2024-02-15

    申请号：US18365464

    申请日：2023-08-04

    申请人： CANON KABUSHIKI KAISHA

    发明人： ZENTARO TAMENAGA

    IPC分类号： B41J2/14 ,  B41J2/16

    CPC分类号： B41J2/14233 ,  B41J2/1623 ,  B41J2/161 ,  B41J2002/14491 ,  B41J2202/22

    摘要： A manufacturing method of a liquid ejection unit includes: arranging an electric wiring board on a print element board such that the electric wiring board abuts the print element board, the print element board including an ejection port configured to eject liquid, an energy generating element configured to generate energy for ejecting the liquid from the ejection port, and an electrode pad electrically connected to the energy generating element, the electric wiring board including a terminal for electrical connection to the electrode pad; connecting the electrode pad and the terminal to each other by using an electric connection member; and covering an electric connection portion with a sealing agent, the electric connection portion including at least the electric connection member, the electrode pad, and the terminal, in which in the connecting, the electric connection member is shaped to include at least one bending point.

    Piezoelectric device, liquid ejecting head, and liquid ejecting apparatus
    5.
    发明授权
    Piezoelectric device, liquid ejecting head, and liquid ejecting apparatus 有权

    公开(公告)号：US11707930B2

    公开(公告)日：2023-07-25

    申请号：US17512917

    申请日：2021-10-28

    申请人： Seiko Epson Corporation

    发明人： Motoki Takabe ,  Masaki Mori

    IPC分类号： B41J2/14 ,  B41J2/16 ,  B41J2/045

    CPC分类号： B41J2/14233 ,  B41J2/04541 ,  B41J2/161 ,  B41J2/1623

    摘要： A piezoelectric device includes a diaphragm provided on a side of one surface of a substrate, and a piezoelectric actuator having a first electrode, a piezoelectric body layer, and a second electrode which are stacked in a first direction on a side of a surface opposite to the substrate of the diaphragm, in which when one area far from an end portion of the second electrode is a first area and one area near the end portion of the second electrode is a second area, of two areas of the second electrode in a second direction intersecting the first direction, the second electrode has a stiffness of 17,000 N/m or more in the second area in the first direction, which is higher than a stiffness in the first area in the first direction, and a length in the second area in the first direction is equal to or less than a length of the piezoelectric body layer in the second area in the first direction.

    ACTUATOR DEVICE
    10.
    发明申请
    ACTUATOR DEVICE 审中-公开

    公开(公告)号：US20180281413A1

    公开(公告)日：2018-10-04

    申请号：US15922327

    申请日：2018-03-15

    申请人： BROTHER KOGYO KABUSHIKI KAISHA

    发明人： Taisuke MIZUNO ,  Hideki HAYASHI ,  Keita HIRAI ,  Yuichi ITO

    IPC分类号： B41J2/16 ,  B41J2/21 ,  B41J2/14 ,  B41J2/345

    CPC分类号： B41J2/1623 ,  B41J2/14233 ,  B41J2/161 ,  B41J2/2146 ,  B41J2/345 ,  B41J2002/14362 ,  B41J2002/14419 ,  B41J2002/14491 ,  B41J2202/20 ,  B41J2202/21

    摘要： An actuator device includes an actuator substrate having actuators, individual conductors electrically connected with the actuators respectively, and dummy conductors; and a bonding member bonded to a surface of the actuator substrate provided with the individual conductors and the dummy conductors. The individual conductors are aligned in an alignment direction to form a first row and a second row arranged in an orthogonal direction orthogonal to the alignment direction. In a first end portion of the actuator substrate on one side in the alignment direction, first individual conductors are aligned in the alignment direction without intervening second individual conductors therebetween. In a second end portion of the actuator substrate on the other side in the alignment direction, the second individual conductors are aligned in the alignment direction without intervening the first individual conductors therebetween.