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1.发明公开
公开(公告)号：EP1817169A1
公开(公告)日：2007-08-15
申请号：EP05804024.7
申请日：2005-11-15
申请人： Ricoh Company, Ltd.
CPC分类号： B41J2/1632 , B41J2/14274 , B41J2/155 , B41J2/1612 , B41J2/1623 , B41J2002/14491
摘要： A liquid discharge head comprises a base member, a plurality of nozzles which discharge drops of a liquid, a plurality of liquid chambers which communicate with the plurality of nozzles respectively, and a plurality of piezoelectric elements generating a pressure to pressurize the liquid in each of the plurality of liquid chambers. In the liquid discharge head, a plurality of piezoelectric element members in which the plurality of piezoelectric elements are formed with grooves in columns by slot processing are arranged on the base member in rows along a direction of the columns of the plurality of piezoelectric elements.
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公开(公告)号：EP2207681B1
公开(公告)日：2014-04-09
申请号：EP08849164.2
申请日：2008-09-26
申请人： Ricoh Company, Ltd.
CPC分类号： B41J2/14274 , B41J2/04541 , B41J2002/14362 , B41J2002/14491 , H05K1/147
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公开(公告)号：EP2207681A1
公开(公告)日：2010-07-21
申请号：EP08849164.2
申请日：2008-09-26
申请人： Ricoh Company, Ltd.
CPC分类号： B41J2/14274 , B41J2/04541 , B41J2002/14362 , B41J2002/14491 , H05K1/147
摘要： 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.
摘要翻译： 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，其中多个产生用于从喷嘴喷射液滴的能量的驱动压电元件列被并排布置; 布线板，布置在与形成喷嘴的表面相反的一侧; 以及两片柔性印刷电路板，所述柔性印刷电路板设置成与所述压电元件相对应并且具有连接到所述多个驱动压电元件列的输出端子部分和连接到所述布线板的输入端子部分，所述输入端子部分被拉向 接线板。 柔性印刷电路以其输入端子部分不彼此面对的方式彼此面对地布置，并且柔性印刷电路的输入端子部分沿着柔性印刷电路彼此面对的方向折叠并且与布线板连接。
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4.发明授权
公开(公告)号：EP1817169B1
公开(公告)日：2010-05-05
申请号：EP05804024.7
申请日：2005-11-15
申请人： Ricoh Company, Ltd.
CPC分类号： B41J2/1632 , B41J2/14274 , B41J2/155 , B41J2/1612 , B41J2/1623 , B41J2002/14491
摘要： A liquid discharge head comprises a base member, a plurality of nozzles which discharge drops of a liquid, a plurality of liquid chambers which communicate with the plurality of nozzles respectively, and a plurality of piezoelectric elements generating a pressure to pressurize the liquid in each of the plurality of liquid chambers. In the liquid discharge head, a plurality of piezoelectric element members in which the plurality of piezoelectric elements are formed with grooves in columns by slot processing are arranged on the base member in rows along a direction of the columns of the plurality of piezoelectric elements.
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5.发明公开LIQUID DROP DISCHARGE HEAD, LIQUID DROP DISCHARGE DEVICE, AND IMAGE FORMING DEVICE 审中-公开液滴供给头部，液滴输送装置及摄像装置
公开(公告)号：EP1720708A1
公开(公告)日：2006-11-15
申请号：EP05719758.4
申请日：2005-02-23
申请人： Ricoh Company, Ltd.
CPC分类号： B41J2/14201 , B41J2/14274 , B41J2202/03
摘要： A liquid drop discharge head includes a nozzle configured to discharge a liquid drop by using a piezoelectric element. Lead ingredients are not included in the piezoelectric element.
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