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    • 3. 发明申请
    • PIEZOELECTRIC VIBRATION COMPONENT
    • 压电振动元件
    • US20100231094A1
    • 2010-09-16
    • US12794144
    • 2010-06-04
    • Eitaro KamedaToru KizuAkihiro MitaniHiroaki Kaida
    • Eitaro KamedaToru KizuAkihiro MitaniHiroaki Kaida
    • H01L41/053
    • H03H9/1021
    • To obtain an inexpensive piezoelectric vibration component having vibration characteristics whose degradation resulting from deposition of moisture due to a temperature change is less likely to occur without increasing the cost of a sealing structure and the number of parts, a piezoelectric vibration component includes a piezoelectric vibrating element accommodated in a package being sealed, and when the volume of the piezoelectric vibrating element is Ve and the volume within the package obtained by subtraction of the volume Ve of the piezoelectric vibrator from the volume of the space of the package is Vp Ve/Vp>(Se×M)/{(Sp+Se)×2.72} where Se is the surface area of the piezoelectric vibrating element, Sp is the surface area of the space inside the package when the piezoelectric vibrating element inside the package is absent, and M is the maximum mass of moisture per unit volume [μg/mm3] at the use temperature and 100% relative humidity.
    • 为了获得具有振动特性的廉价的压电振动部件,其压电振动部件包括压电振动部件,压电振动部件不会增加密封结构的成本和部件数量,因此,由于温度变化导致的水分沉积导致的劣化, 容纳在被封装的封装中,并且当压电振动元件的体积为Ve时,通过从压缩振动器的空间体积减去压缩振动器的体积Ve而获得的封装体积为Vp Ve / Vp> (Se×M)/ {(Sp + Se)×2.72}其中Se是压电振动元件的表面积,Sp是包装内的压电振动元件不存在时封装内的空间的表面积, M是使用温度和100%相对湿度下每单位体积的最大水分质量[μg/ mm3]。
    • 4. 发明授权
    • Piezoelectric vibration component
    • 压电振动分量
    • US08330336B2
    • 2012-12-11
    • US12794144
    • 2010-06-04
    • Eitaro KamedaToru KizuAkihiro MitaniHiroaki Kaida
    • Eitaro KamedaToru KizuAkihiro MitaniHiroaki Kaida
    • H01L41/053
    • H03H9/1021
    • To obtain an inexpensive piezoelectric vibration component having vibration characteristics whose degradation resulting from deposition of moisture due to a temperature change is less likely to occur without increasing the cost of a sealing structure and the number of parts, a piezoelectric vibration component includes a piezoelectric vibrating element accommodated in a package being sealed, and when the volume of the piezoelectric vibrating element is Ve and the volume within the package obtained by subtraction of the volume Ve of the piezoelectric vibrator from the volume of the space of the package is Vp Ve/Vp>(Se×M)/{(Sp+Se)×2.72} where Se is the surface area of the piezoelectric vibrating element, Sp is the surface area of the space inside the package when the piezoelectric vibrating element inside the package is absent, and M is the maximum mass of moisture per unit volume [μg/mm3] at the use temperature and 100% relative humidity.
    • 为了获得具有振动特性的廉价的压电振动部件,其压电振动部件包括压电振动部件,压电振动部件不会增加密封结构的成本和部件数量,因此,由于温度变化导致的水分沉积导致的劣化, 容纳在被封装的封装中,并且当压电振动元件的体积为Ve时,通过从压缩振动器的空间体积减去压缩振动器的体积Ve而获得的封装体积为Vp Ve / Vp> (Se×M)/ {(Sp + Se)×2.72}其中Se是压电振动元件的表面积,Sp是包装内的压电振动元件不存在时封装内的空间的表面积, M是使用温度和100%相对湿度下每单位体积的最大水分质量[μg/ mm3]。