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    • 5. 发明申请
    • PIEZOELECTRIC DEVICES HAVING IMPROVED IMPACT RESISTANCE
    • 具有改善的抗冲击性的压电元件
    • US20100079040A1
    • 2010-04-01
    • US12564846
    • 2009-09-22
    • Hiroki IWAIYu IWAIHiroshi UEHARA
    • Hiroki IWAIYu IWAIHiroshi UEHARA
    • H01L41/04
    • H03H9/21H03H9/02133H03H9/0595H03H9/1035
    • An exemplary piezoelectric vibrating device has a lid plate, a chip plate including a tuning-fork type vibrating piece surrounded by an outer frame, and a package base arranged where the chip plate is sandwiched between the lid plate and package base, and the three layers are bonded together. The tuning-fork type piezoelectric vibrating piece is connected to the outer frame by supporting arms. A base-movement buffer having a predetermined height in the X-direction extends from the inner edge surface of the outer frame toward a side edge of the base. The base-movement buffer has a height in the X-direction that is proportional to the length from the base-movement buffer to a point at which the tuning-fork type piezoelectric vibrating piece is coupled to the outer frame.
    • 示例性压电振动装置具有盖板,包括由外框包围的音叉型振动片的芯片板和布置在芯片板夹在盖板和封装基座之间的封装基座,并且三层 结合在一起 音叉型压电振动片通过支撑臂与外框连接。 在X方向上具有预定高度的基座移动缓冲器从外框的内边缘朝向底座的侧边缘延伸。 基座移动缓冲器具有与从基座移动缓冲器到音叉型压电振动片联接到外框架的点成比例的X方向的高度。