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    • 4. 发明申请
    • DISCHARGE HEAD AND METHOD FOR PRODUCING DISCHARGE HEAD
    • 放电头和生产放电头的方法
    • US20090002461A1
    • 2009-01-01
    • US12163616
    • 2008-06-27
    • Shigeru SUZUKIShuhei HIWADA
    • Shigeru SUZUKIShuhei HIWADA
    • B41J2/045
    • B41J2/14209B41J2/1609B41J2/1623B41J2002/14217B41J2002/14225B41J2002/14306B41J2002/14459B41J2002/14491B41J2202/20Y10T29/49401
    • A discharge head includes a discharge driving element; an individual electrode formed on the discharge driving element and having a connecting section; and a wired board having a terminal which is joined to the individual electrode by a conductive brazing material. The connecting section is provided to face the terminal, and a metal, which is hardly sulfurized, is exposed in a facing area, of a surface of the connecting section, facing the terminal. A silver sulfide coating is formed on a surface of the connecting section except for a portion facing the terminal. The silver sulfide coating has a low affinity for the conductive brazing material, which is hardly wetted thereby. Therefore, even when the conductive brazing material leaks, then the conductive brazing material is not retained on the silver sulfide coating, and no influence is exerted on the driving operation of the discharge head.
    • 排出头包括排出驱动元件; 单个电极,形成在所述排出驱动元件上并具有连接部分; 以及具有通过导电钎焊材料连接到单独电极的端子的布线板。 连接部分设置成面对端子,并且难以硫化的金属暴露在连接部分的面向端子的表面的面对区域中。 除了面向端子的部分之外,在连接部分的表面上形成硫化银涂层。 硫化银涂层对导电钎焊材料的亲和性低,因此难以润湿。 因此,即使当导电性钎焊材料泄漏时,导电性钎焊材料也不会保持在硫化银涂层上,不会对喷出头的驱动动作产生影响。
    • 7. 发明申请
    • LIQUID DROPLET DISCHARGE HEAD AND LIQUID DROPLET DISCHARGE APPARATUS
    • 液体喷射头和液体排放装置
    • US20090219346A1
    • 2009-09-03
    • US12395690
    • 2009-03-01
    • Shigeru SUZUKI
    • Shigeru SUZUKI
    • B41J2/045H01L41/047
    • B41J2/14233B41J2/04581B41J2/04588B41J2002/14258B41J2002/14266B41J2002/14491
    • A piezoelectric actuator includes upper and lower constant electric potential electrodes. The upper constant electric potential electrodes are connected to a first-common conducting section extending in a predetermined direction, both ends of the first-common conducting section are connected to second-common conducting sections, and thus a first electrode assembly is formed. Both ends of the lower constant electric potential electrodes extending in the predetermined direction are connected to third-common conducting sections, and thus a second electrode assembly is constructed. A flexible wiring board stacked on the piezoelectric actuator has a first-connecting land extending in the predetermined direction and to which one of the first and second electrode assemblies having a smaller voltage drop when a predetermined current is applied is connected, and second-connecting lands to which the other is connected and which are arranged on both end sides of the first-connecting land.
    • 压电致动器包括上和下恒定电位电极。 上恒定电位电极连接到沿预定方向延伸的第一公共导电部分,第一公共导电部分的两端连接到第二公共导电部分,因此形成第一电极组件。 沿着预定方向延伸的较低恒定电位电极的两端连接到第三公共导电部分,从而构成第二电极组件。 堆叠在压电致动器上的柔性布线板具有沿预定方向延伸的第一连接区域,并且当施加预定电流时,具有较小电压降的第一和第二电极组件中的一个被连接,第二连接区域 另一个连接到该第一连接区域的两端侧。