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    • 3. 发明申请
    • QUARTZ-CRYSTAL DEVICES EXHIBITING REDUCED CRYSTAL IMPEDANCE
    • 辉石晶体显示降低晶体阻抗
    • US20120242193A1
    • 2012-09-27
    • US13419074
    • 2012-03-13
    • Kenji SHIMAOTakehiro TAKAHASHIHiroyuki SASAKIManabu ISHIKAWAShinobu YOSHIDA
    • Kenji SHIMAOTakehiro TAKAHASHIHiroyuki SASAKIManabu ISHIKAWAShinobu YOSHIDA
    • H01L41/00
    • H03H9/1021H03H9/19
    • Quartz-crystal devices are disclosed, of which the CI value is reduced by adjusting the shortest distance between an edge of electrically conductive adhesive and an edge of the excitation electrode. The device has a quartz-crystal plate having long-edges and short-edges. Excitation electrodes are on first and second surfaces of the plate. Conductive pads are electrically connected to respective excitation electrodes and extend to the short-edge of the quartz-crystal plate. A package having a pair of external mounting terminals and respective connecting electrodes are situated on opposing sides of the mounting terminals for making electrical connections to the mounting terminals. An electrically conductive adhesive bonds the connecting terminals and respective conductive pads together, and the quartz-crystal plate onto the package. The shortest distance between an edge of the adhesive and an edge of the excitation electrode is 10%-15% the length of the quartz-crystal plate in the long-edge direction.
    • 公开了石英晶体器件,其中通过调节导电粘合剂的边缘和激发电极的边缘之间的最短距离来减小CI值。 该装置具有长边缘和短边缘的石英晶片。 激励电极在板的第一和第二表面上。 导电垫电连接到各个激励电极并延伸到石英晶片的短边。 具有一对外部安装端子和相应的连接电极的封装设置在安装端子的相对侧上,用于与安装端子电连接。 导电粘合剂将连接端子和相应的导电焊盘接合在一起,并将石英晶片连接到封装上。 粘合剂的边缘与激发电极的边缘之间的最短距离在长边方向上为石英晶体板的长度的10%-15%。