发明名称 |
VIBRATOR, OSCILLATOR, ELECTRONIC APPARATUS AND MOVABLE BODY |
摘要 |
<p>PROBLEM TO BE SOLVED: To provide a vibrator capable of reducing degradation in a Q value due to air resistance applied to a vibration element and exhibiting excellent vibration characteristics, and further to provide an oscillator provided with the vibrator, an electronic apparatus and a movable body.SOLUTION: A vibrator 1 includes: a package 9; and a vibration element 2 which is accommodated in the package 9 and vibrates in a bending vibration mode. An atmospheric pressure inside the package 9 is equal to 100 Pa or less. Further, the vibration element 2 includes: a base portion 4; and a pair of vibration arms 5 and 6 which is provided integrally with the base portion 4 and extends from the base portion 4. The pair of vibration arms 5 and 6 includes: weight portions 59 and 69; and arm portions 50 and 60 provided between the weight portions 59 and 69 and the base portion 4.</p> |
申请公布号 |
JP2015097368(A) |
申请公布日期 |
2015.05.21 |
申请号 |
JP20130237480 |
申请日期 |
2013.11.16 |
申请人 |
SEIKO EPSON CORP |
发明人 |
YAMADA AKINORI;YAMAZAKI TAKASHI |
分类号 |
H03H9/10;H03B5/32;H03H9/02;H03H9/19;H03H9/215 |
主分类号 |
H03H9/10 |
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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