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    • 2. 发明授权
    • Crystal oscillator
    • 水晶振荡器
    • US07061164B2
    • 2006-06-13
    • US11142100
    • 2005-06-01
    • Takahiko IwasakiShigeru ObaraGenwa KokiMasaaki Nakahara
    • Takahiko IwasakiShigeru ObaraGenwa KokiMasaaki Nakahara
    • H03H9/17H03H9/19H01L41/047
    • H03H9/132H03H9/02094H03H9/131
    • The present invention relates to a crystal oscillator that is provided with a crystal element; a main surface electrode configured of a first underlayer formed on each of two main surfaces of the crystal element and a first surface layer of Au superimposed over the first underlayer; an end surface electrode having a second underlayer formed on the crystal element to extend over the main surface electrode and a second surface layer of Au superimposed to cover the second underlayer; a supporter for holding the crystal element in the horizontal direction, bonded to the end surface electrode by a eutectic alloy comprising at least Au; and a base on which the supporter stands. An intermediate layer is provided between the second underlayer and the second surface layer of the end surface electrode; the intermediate layer protrudes further towards the center over the main surface electrode than the second surface layer; and also the intermediate layer is formed of a metal having the characteristic of increasing the adhesive strength between the underlayer and the second surface layer as well as that of the eutectic alloy. The present invention provides a crystal oscillator in which bonding is done with a eutectic alloy that has a higher bond strength, thus preventing peeling of the electrodes.
    • 本发明涉及一种具有晶体元件的晶体振荡器; 主表面电极由形成在所述晶体元件的两个主表面中的每一个上的第一底层和叠置在所述第一底层上的Au的第一表面层构成; 端面电极,其具有形成在所述晶体元件上以在所述主表面电极上延伸的第二底层和叠加以覆盖所述第二底层的Au的第二表面层; 用于将水晶元件保持在水平方向上的支撑体,通过至少包含Au的共晶合金结合到端面电极; 以及支持者所在的基地。 在第二底层和端面电极的第二表面层之间设置中间层; 中间层比第二表面层更靠近主表面电极的中心突出; 并且中间层由具有增加底层和第二表面层之间的粘合强度以及共晶合金的特性的金属形成。 本发明提供一种晶体振荡器,其中用具有较高结合强度的共晶合金进行接合,从而防止电极剥离。
    • 3. 发明申请
    • Crystal oscillator
    • 水晶振荡器
    • US20050269912A1
    • 2005-12-08
    • US11142100
    • 2005-06-01
    • Takahiko IwasakiShigeru ObaraGenwa KokiMasaaki Nakahara
    • Takahiko IwasakiShigeru ObaraGenwa KokiMasaaki Nakahara
    • H03H9/19H03H3/02H03H9/02H03H9/10H03H9/13H03H9/15H03H9/17H01L41/047
    • H03H9/132H03H9/02094H03H9/131
    • The present invention relates to a crystal oscillator that is provided with a crystal element; a main surface electrode configured of a first underlayer formed on each of two main surfaces of the crystal element and a first surface layer of Au superimposed over the first underlayer; an end surface electrode having a second underlayer formed on the crystal element to extend over the main surface electrode and a second surface layer of Au superimposed to cover the second underlayer; a supporter for holding the crystal element in the horizontal direction, bonded to the end surface electrode by a eutectic alloy comprising at least Au; and a base on which the supporter stands. An intermediate layer is provided between the second underlayer and the second surface layer of the end surface electrode; the intermediate layer protrudes further towards the center over the main surface electrode than the second surface layer; and also the intermediate layer is formed of a metal having the characteristic of increasing the adhesive strength between the underlayer and the second surface layer as well as that of the eutectic alloy. The present invention provides a crystal oscillator in which bonding is done with a eutectic alloy that has a higher bond strength, thus preventing peeling of the electrodes.
    • 本发明涉及一种具有晶体元件的晶体振荡器; 主表面电极由形成在所述晶体元件的两个主表面中的每一个上的第一底层和叠置在所述第一底层上的Au的第一表面层构成; 端面电极,其具有形成在所述晶体元件上以在所述主表面电极上延伸的第二底层和叠加以覆盖所述第二底层的Au的第二表面层; 用于将水晶元件保持在水平方向上的支撑体,通过至少包含Au的共晶合金结合到端面电极; 以及支持者所在的基地。 在第二底层和端面电极的第二表面层之间设置中间层; 中间层比第二表面层更靠近主表面电极的中心突出; 并且中间层由具有增加底层和第二表面层之间的粘合强度以及共晶合金的特性的金属形成。 本发明提供一种晶体振荡器,其中用具有较高结合强度的共晶合金进行接合,从而防止电极剥离。