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
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