发明名称 |
Piezoelectric vibrator, method for adjusting piezoelectric vibrator, piezoelectric actuator, timepiece, and electronic device |
摘要 |
Piezoelectric vibrators provided with an electrode that includes a drive electrode and adjustment electrodes formed in advance on part of the electrode; the drive electrode and adjustment electrodes that are initially electrically connected to each other are electrically cutoff and insulated from each other by cutting conductive parts between the drive electrode and adjustment electrodes, or the mutually insulated drive electrode and adjustment electrodes are electrically connected using solder, a wire, or another electrically conductive member, whereby the characteristic frequencies are adjusted.
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申请公布号 |
US7671518(B2) |
申请公布日期 |
2010.03.02 |
申请号 |
US20060350044 |
申请日期 |
2006.02.09 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
SAWADA AKIHIRO;SEKI SHIGEAKI;KAYAMORI SUSUMU |
分类号 |
H01L41/047;H02N2/08 |
主分类号 |
H01L41/047 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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