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    • 1. 发明授权
    • Ink jet print head
    • 喷墨打印头
    • US5933170A
    • 1999-08-03
    • US735445
    • 1997-01-02
    • Yukihisa TakeuchiHideo MasumoriNobuo TakahashiHideaki SoneharaKohei Kitahara
    • Yukihisa TakeuchiHideo MasumoriNobuo TakahashiHideaki SoneharaKohei Kitahara
    • B41J2/045B41J2/055B41J2/14B41J2/16
    • B41J2/1623B41J2/14233B41J2/161B41J2/1632B41J2/1637B41J2/1642B41J2/1643B41J2/1646B41J2002/14387
    • An ink jet print head is disclosed which includes an ink nozzle member with nozzles, an ink pump member disposed on the ink nozzle member and having ink chambers formed behind the respective nozzles, and piezoelectric/electrostrictive elements each disposed on a wall defining the corresponding ink chamber, for deforming the wall to change a pressure of the ink chamber, whereby the ink in the ink chamber is jetted through the corresponding nozzle. The ink pump member consists of a spacer plate having windows which are closed by a closure plate and a connecting plate disposed on the spacer plate, so as to give the respective ink chambers. The connecting plate has communication holes through which the ink chambers communicate with the nozzles. The spacer plate, closure plate and connecting plate are formed from respective ceramic green sheets, which are laminated on each other and fired into an integral ceramic structure as the ink pump member. The piezoelectric/electrostrictive element includes a pair of electrodes and a piezoelectric/electrostrictive layer, which are formed by a film-forming method on an outer surface of the closure plate.
    • 公开了一种喷墨打印头,其包括具有喷嘴的墨喷嘴构件,设置在墨喷嘴构件上并具有形成在相应喷嘴后面的墨室的墨泵构件,以及各自设置在限定相应墨水的壁上的压电/电致伸缩元件 室,用于使壁变形以改变墨室的压力,由此墨室中的墨水通过相应的喷嘴喷射。 墨水泵构件由具有由封闭板封闭的窗口和设置在间隔板上的连接板的间隔板组成,以便给出各个墨水室。 连接板具有与喷嘴连通的连通孔。 间隔板,封闭板和连接板由各自的陶瓷生片形成,它们彼此层压,并作为油墨泵构件燃烧成一体的陶瓷结构。 压电/电致伸缩元件包括一对电极和压电/电致伸缩层,它们通过膜形成方法形成在封闭板的外表面上。
    • 3. 发明授权
    • Multi-layer ink jet print head and manufacturing method therefor
    • 多层喷墨打印头及其制造方法
    • US06290340B1
    • 2001-09-18
    • US08905094
    • 1997-08-01
    • Kohei KitaharaYukihisa TakeuchiHideo MasumoriNobuo TakahashiHideaki Sonehara
    • Kohei KitaharaYukihisa TakeuchiHideo MasumoriNobuo TakahashiHideaki Sonehara
    • B41J2045
    • B41J2/1623B41J2/14233B41J2/161B41J2/1632B41J2/1642B41J2/1643B41J2/1646B41J2002/14387B41J2002/14419H01L41/0973Y10T29/42
    • An ink jet print head is disclosed which includes a flow path unit with nozzles, a pressure generating unit disposed on the flow path unit and having ink pressure chambers formed behind the respective nozzles, and piezoelectric/electrostrictive elements each disposed on a wall defining a corresponding ink pressure chamber, for deforming the wall to change a pressure of the ink pressure chamber, whereby the ink in the ink pressure chamber is jetted through the corresponding nozzle. The pressure generating unit includes a spacer plate having windows which closed by a closure plate and a connecting plate disposed on the spacer plate, so as to give the respective ink pressure chambers. The connecting plate has communication holes through which the ink pressure chambers communicate with the nozzles. The spacer plate, closure plate and connecting plate are formed from respective ceramic green sheets, which are laminated on each other and fired into an integral ceramic structure as the pressure generating unit. The piezoelectric/electrostrictive element includes a pair of electrodes and a piezoelectric/electrostrictive layer, which are formed by a film-forming method on an outer surface of the closure plate.
    • 公开了一种喷墨打印头,其包括具有喷嘴的流路单元,设置在流路单元上并具有形成在相应喷嘴后面的墨压室的压力产生单元,以及压电/电致伸缩元件,每个压电/电致伸缩元件设置在限定相应的 油墨压力室,用于使壁变形以改变油墨压力室的压力,从而通过相应的喷嘴喷射墨水压力室中的油墨。 压力发生单元包括具有由闭合板封闭的窗口和设置在间隔板上的连接板的间隔板,以便给出相应的墨水压力室。 连接板具有连通孔,墨压室通过该连通孔与喷嘴连通。 间隔板,封闭板和连接板由各自的陶瓷生片形成,它们彼此层压,并作为压力产生单元烧制成一体的陶瓷结构。 压电/电致伸缩元件包括一对电极和压电/电致伸缩层,它们通过膜形成方法形成在封闭板的外表面上。
    • 5. 发明授权
    • Actuator having ceramic substrate with slit(s) and ink jet print head
using the actuator
    • 具有带狭缝的陶瓷基板和使用致动器的喷墨打印头的致动器
    • US5617127A
    • 1997-04-01
    • US159922
    • 1993-12-01
    • Yukihisa TakeuchiHideo MasumoriNobuo Takahashi
    • Yukihisa TakeuchiHideo MasumoriNobuo Takahashi
    • B41J2/045B41J2/055B41J2/14B41J2/16
    • B41J2/14233B41J2002/14387
    • An actuator including a ceramic substrate and at least one piezeoelectric/electrostrictive element formed on the substrate is disclosed. The ceramic substrate includes a spacer plate having at least one window which provides at least one pressure chamber, each window being substantially closed by a closure plate and a connecting plate. The spacer plate, closure plate and connecting plate are formed from respective ceramic green sheets which are laminated on each other and fired into an integral ceramic structure as the ceramic substrate. The connecting plate has at least one slit which corresponds to each pressure chamber. Each piezoelectric/electrostrictive element is disposed on a portion of the closure plate defining the corresponding pressure chamber, so as to change a pressure of the corresponding pressure chamber. Also disposed is an ink jet print head using the actuator as described above.
    • 公开了一种致动器,其包括陶瓷基板和形成在基板上的至少一个压电/电致伸缩元件。 陶瓷基板包括具有至少一个窗口的间隔板,该窗口提供至少一个压力室,每个窗口基本上由封闭板和连接板封闭。 间隔板,封闭板和连接板由彼此层叠的陶瓷生片形成,并作为陶瓷基板烧结成一体的陶瓷结构体。 连接板具有至少一个对应于每个压力室的狭缝。 每个压电/电致伸缩元件设置在限定相应的压力室的封闭板的一部分上,以便改变对应的压力室的压力。 还设置有使用如上所述的致动器的喷墨打印头。