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    • 32. 发明申请
    • Multi-nozzle ink jet head
    • 多喷嘴喷头
    • US20050018021A1
    • 2005-01-27
    • US10921319
    • 2004-08-19
    • Shuji KoikeYoshiaki SakamotoTomohisa Shingai
    • Shuji KoikeYoshiaki SakamotoTomohisa Shingai
    • B41J2/045B41J2/14
    • B41J2/14233B41J2002/1425B41J2002/14491
    • A multi-nozzle ink jet head formed through semiconductor processes is disclosed. The multi-nozzle head has a head substrate (28) in which are formed a plurality of nozzles (27) and a plurality of pressure chambers (26), a diaphragm (40) that acts as a common electrode and covers the plurality of pressure chambers (26), piezoelectric body layers (41) that are provided in correspondence with the pressure chambers (26) on the diaphragm (40), and individual electrode layers (42) that are provided on the piezoelectric body layers and have individual electrode parts (42-3) corresponding to the pressure chambers and wiring parts (42-1, 42-2) for the individual electrode parts. By interposing a low-dielectric-constant layer or an insulating layer in the region of the wiring parts, or not disposing the common electrode in the region of the wiring parts, the electrical capacitance of the driving parts is reduced, and hence a driving lag is prevented from occurring, and moreover unwanted vibration of the piezoelectric bodies is prevented.
    • 公开了一种通过半导体工艺形成的多喷嘴喷墨头。 多喷嘴头具有头基板(28),其中形成有多个喷嘴(27)和多个压力室(26),用作公共电极并覆盖多个压力的隔膜(40) 与隔膜(40)上的压力室(26)相对设置的腔室(26),压电体层(41)以及设置在压电体层上的单独的电极层(42) (42-3),对应于各个电极部件的压力室和配线部件(42-1,42-2)。 通过在布线部分的区域中插入低介电常数层或绝缘层,或者在布线部分的区域内不设置公共电极,驱动部件的电容减小,因此驱动滞后 并且防止了压电体的不希望的振动。
    • 33. 发明授权
    • Ink jet head and printing apparatus
    • 喷墨头和打印设备
    • US06715861B2
    • 2004-04-06
    • US10164642
    • 2002-06-10
    • Yoshiaki SakamotoShuji KoikeTomohisa Shingai
    • Yoshiaki SakamotoShuji KoikeTomohisa Shingai
    • B41J2045
    • B41J2/1623B41J2/14233B41J2/161B41J2/1626B41J2/1631B41J2/1632B41J2/1643B41J2/1646B41J2002/1425B41J2002/14491
    • A printing apparatus that includes an ink jet head (100) having nozzles for discharging ink supplied thereto from an ink supplying part (50). This printing apparatus includes a head body member (3) having pressure chambers provided individually for the nozzles that are filled with the ink. Further included are pressurization elements provided individually for the pressure chambers for pressurizing the pressure chambers to discharge the ink in the pressure chambers from the nozzles. An ink staying space (130) is provided for temporarily staying the ink from the ink supplying part (50). This ink staying space (130) is formed between the head body member (3) and the ink supplying part (50), and a number of ink supplying paths (129) for communicating the ink staying space (130) and the plurality of pressure chambers is provided.
    • 一种打印装置,包括具有用于从供墨部分(50)供给的墨水的喷嘴的喷墨头(100)。 该打印装置包括:头本体构件(3),其具有单独设置有用于填充有墨的喷嘴的压力室。 进一步包括用于压力室的加压元件,用于对压力室加压以从喷嘴排出压力室中的墨。 提供了一个墨水保留空间(130),用于暂时从墨水供应部分(50)停留墨水。 该墨水保持空间130形成在头部本体构件3和墨水供给部50之间,并且多个墨水供给路径129连通墨水滞留空间130和多个压力 提供室。