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    • 3. 发明申请
    • ULTRASONIC SENSOR
    • 超声波传感器
    • US20080289428A1
    • 2008-11-27
    • US12189872
    • 2008-08-12
    • Seigo HAYASHIShinji AMAIKEMasanaga NISHIKAWAKazuo SHIMA
    • Seigo HAYASHIShinji AMAIKEMasanaga NISHIKAWAKazuo SHIMA
    • G01H11/08
    • G10K9/22H04R17/00
    • An ultrasonic sensor includes a cylindrical case with a bottom. A piezoelectric element is bonded to an inner side of a bottom portion of the case, and a felt is bonded to the piezoelectric element. A cap is fitted to an opening of the case. The cap includes a fixing portion and a substrate which is harder than the fixing portion. Terminals are press-fitted to the substrate. Wires are connected to the terminals, so that the terminals are electrically connected to the piezoelectric element. A through hole is provided in the fixing portion. Resin before being foamed is injected from the through hole and then foamed, so that the case is filled with foamable resin while an excess amount of foamable resin is pushed out from the through hole.
    • 超声波传感器包括具有底部的圆柱形壳体。 压电元件接合到壳体的底部的内侧,并且毡被结合到压电元件。 盖子安装在箱体的开口处。 盖包括比固定部硬的固定部和基板。 端子压配到基板上。 电线连接到端子,使得端子电连接到压电元件。 在固定部设置有通孔。 发泡前的树脂从通孔注入然后发泡,从而使外壳中填充有可发泡树脂,同时从通孔中挤出过量的可发泡树脂。
    • 5. 发明授权
    • Magnetic head driving piezoelectric ceramic actuator
    • 磁头驱动压电陶瓷驱动器
    • US08471440B2
    • 2013-06-25
    • US12897819
    • 2010-10-05
    • Hiroshi NakataniMasanaga Nishikawa
    • Hiroshi NakataniMasanaga Nishikawa
    • H01L41/047H01L41/053
    • G11B5/4833G11B5/4873
    • A magnetic head driving piezoelectric ceramic actuator having an actuator body and a coating layer. The actuator body has a piezoelectric ceramic substrate and first and second electrodes. The piezoelectric ceramic substrate has first and second principal surfaces, first and second side surfaces, and first and second edge surfaces. The first electrode has a first external electrode portion formed on a part of the first principal surface, and a second external electrode portion formed on the first edge surface. The second electrode has a third external electrode portion formed on the second edge surface, and a fourth external electrode portion formed on the first principal surface. Each of: at least a part of each of the first and second external electrode portions; and at least a part of each of the third and fourth external electrode portions, constitutes a joined portion mounted on the substrate by an electrically-conductive agent. The coating film covers at least a part of a surface of a portion of the actuator body other than the joined portions.
    • 一种具有致动器主体和涂层的磁头驱动压电陶瓷致动器。 致动器主体具有压电陶瓷基板和第一和第二电极。 压电陶瓷衬底具有第一和第二主表面,第一和第二侧表面以及第一和第二边缘表面。 第一电极具有形成在第一主表面的一部分上的第一外部电极部分和形成在第一边缘表面上的第二外部电极部分。 第二电极具有形成在第二边缘表面上的第三外部电极部分和形成在第一主表面上的第四外部电极部分。 每个:第一和第二外部电极部分中的每一个的至少一部分; 并且第三外部电极部分和第四外部电极部分的至少一部分构成通过导电剂安装在基板上的接合部分。 涂膜覆盖除了接合部分之外的致动器主体的一部分的表面的至少一部分。
    • 6. 发明授权
    • Electromechanical conversion element and actuator
    • 机电转换元件和执行器
    • US08378555B2
    • 2013-02-19
    • US13437299
    • 2012-04-02
    • Tadashi YodaToshio NishimuraMasanaga NishikawaYasuhiro OkamotoTomoyuki Yuasa
    • Tadashi YodaToshio NishimuraMasanaga NishikawaYasuhiro OkamotoTomoyuki Yuasa
    • H01L41/047
    • H02N2/025H01L41/313
    • An electromechanical conversion element having high connection reliability and an actuator equipped with the electromechanical conversion element. The electromechanical conversion element includes: a displacement part capable of expanding and contracting by application of voltage and having electrode forming faces and an adhesion face which are disposed adjacent to each other; and external electrodes on the electrode forming faces, in which lead electrodes for applying voltage to the displacement part are bonded to bonding regions provided in the external electrodes, and a driven member capable of being driven by the expansion and contraction of the displacement part is bonded to the adhesion face by an adhesive. The electromechanical conversion element further includes bleed flow blocking parts on the electrode forming faces at points closer to the adhesion face than ends of the bonding regions located on the same side as the adhesion face.
    • 具有高连接可靠性的机电转换元件和配备有机电转换元件的致动器。 机电转换元件包括:能够通过施加电压而伸缩的位移部件,并且具有彼此相邻设置的电极形成面和粘合面; 并且电极形成面上的外部电极,其中向位移部分施加电压的引线电极被接合到设置在外部电极中的接合区域,并且能够通过位移部分的膨胀和收缩而被驱动的从动构件被接合 通过粘合剂粘附到粘合面上。 机电转换元件还包括在与粘合面位于同一侧的接合区域的端部处的电极形成面处的渗出阻流部分,其比靠近粘合面的点处。
    • 9. 发明授权
    • Ultrasonic sensor
    • 超声波传感器
    • US07795785B2
    • 2010-09-14
    • US12189872
    • 2008-08-12
    • Seigo HayashiShinji AmaikeMasanaga NishikawaKazuo Shima
    • Seigo HayashiShinji AmaikeMasanaga NishikawaKazuo Shima
    • H01L41/08
    • G10K9/22H04R17/00
    • An ultrasonic sensor includes a cylindrical case with a bottom. A piezoelectric element is bonded to an inner side of a bottom portion of the case, and a felt is bonded to the piezoelectric element. A cap is fitted to an opening of the case. The cap includes a fixing portion and a substrate which is harder than the fixing portion. Terminals are press-fitted to the substrate. Wires are connected to the terminals, so that the terminals are electrically connected to the piezoelectric element. A through hole is provided in the fixing portion. Resin before being foamed is injected from the through hole and then foamed, so that the case is filled with foamable resin while an excess amount of foamable resin is pushed out from the through hole.
    • 超声波传感器包括具有底部的圆柱形壳体。 压电元件接合到壳体的底部的内侧,并且毡被结合到压电元件。 盖子安装在箱体的开口处。 盖包括比固定部硬的固定部和基板。 端子压配到基板上。 电线连接到端子,使得端子电连接到压电元件。 在固定部设置有通孔。 发泡前的树脂从通孔注入然后发泡,从而使外壳中填充有可发泡树脂,同时从通孔中挤出过量的可发泡树脂。