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    • 67. 发明申请
    • LIQUID EJECTION HEAD, INK CARTRIDGE, AND IMAGE FORMING APPARATUS
    • 液体喷射头,墨盒和图像形成装置
    • WO2009063706A1
    • 2009-05-22
    • PCT/JP2008/068009
    • 2008-09-26
    • RICOH COMPANY, LTD.YAMANAKA, KunihiroYAMAGUCHI, Kiyoshi
    • YAMANAKA, KunihiroYAMAGUCHI, Kiyoshi
    • B41J2/045B41J2/055
    • B41J2/14274B41J2/04541B41J2002/14362B41J2002/14491H05K1/147
    • A liquid ejection head is disclosed that includes piezoelectric elements constituting driving element rows in which plural driving piezoelectric element columns that generate energy for ejecting liquid droplets from nozzles are arranged side by side; a wiring board arranged on the side opposite to a surface in which the nozzles are formed; and two sheets of flexible printed circuits that are provided to correspond to the piezoelectric elements and have output terminal parts connected to the plural driving piezoelectric element columns and input terminal parts connected to the wiring board, the input terminal parts being drawn to the side of the wiring board. The flexible printed circuits are arranged facing each other with their input terminal parts not facing each other, and the input terminal parts of the flexible printed circuits are folded in a direction where the flexible printed circuits face each other and are connected to the wiring board.
    • 公开了一种液体喷射头,其包括构成驱动元件列的压电元件,其中产生用于从喷嘴喷射液滴的能量的多个驱动压电元件列并排布置; 布置在与形成有喷嘴的表面相对的一侧的布线板; 以及两片柔性印刷电路,其被设置为对应于压电元件并且具有连接到多个驱动压电元件列的输出端子部分和连接到布线板的输入端子部分,输入端子部分被拉到 接线板 柔性印刷电路被布置为彼此面对,其输入端子部分彼此不相对,并且柔性印刷电路的输入端子部分沿柔性印刷电路彼此面对的方向折叠并连接到布线板。