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    • 10. 发明授权
    • Method of fabricating piezoelectric vibrator and electronic apparatus and radio wave timepiece having piezoelectric vibrator
    • 制造压电振子的方法和具有压电振动器的电子装置和无线电波表
    • US07581297B2
    • 2009-09-01
    • US11409653
    • 2006-04-24
    • Masayuki SatoSeigo FukuchiAtsushi Tomisaki
    • Masayuki SatoSeigo FukuchiAtsushi Tomisaki
    • H01G7/00
    • H04R17/00Y10T29/42Y10T29/435Y10T29/49128Y10T29/4913Y10T29/49139Y10T29/49155
    • A piezoelectric vibrator has an airtight terminal comprised of a lead terminal and a piezoelectric member. The lead terminal has an inner lead portion and an outer lead portion. The piezoelectric member has an exciting electrode and a mount electrode disposed on a surface of the piezoelectric member. A plasma arc electrode is connected to a power supply for generating a plasma arc discharge. To bond together the inner lead portion of the lead terminal to the mount electrode of the piezoelectric member, the outer lead portion is connected to an output terminal of the power supply and the plasma arc electrode is positioned at a vicinity of a bonding portion for bonding together the inner lead portion and the mount electrode. A voltage is applied between the inner lead portion and the plasma arc electrode to generate a plasma arc discharge. The generated plasma arc is discharged to the bonding portion while subjecting at least the bonding portion to an argon gas atmosphere to thereby bond together with a solder the inner lead portion and the mount electrode.
    • 压电振子具有由引线端子和压电部件构成的气密端子。 引线端子具有内部引线部分和外部引线部分。 压电元件具有设置在压电元件表面上的激励电极和安装电极。 等离子弧电极连接到用于产生等离子体电弧放电的电源。 为了将引线端子的内部引线部分接合到压电部件的安装电极,外部引线部分连接到电源的输出端子,等离子弧电极位于用于接合的接合部分附近 内引线部分和安装电极在一起。 在内引线部分和等离子体电弧电极之间施加电压以产生等离子体电弧放电。 所产生的等离子体电弧被放电到接合部分,同时至少将接合部分进行氩气气氛,从而与焊料一起与内引线部分和安装电极接合。