发明名称 |
Vibrator element, method of manufacturing vibrator element, vibrator, electronic device, electronic apparatus and moving body |
摘要 |
A vibrator element (2) includes a pair of first and second drive vibrating arms (441, 442; 443, 444) that extend in opposite directions from a base portion (41, 431, 432) ; a first weight (12a ... 12s) that is spaced from a tip of at least one of the first and second drive vibrating arms (441 ... 444) toward the base portion (41, 431, 432) and is provided in a first region of the at least one of the drive vibrating arms (441 ... 444); and a second weight (11a ... 11s) that is provided in a second region that is a region between a tip of the first weight (12a ... 12s) and the tip of the at least one of the drive vibrating arms (441 ... 444) . When an area of the first region is represented as A1, a mass of the first weight (12a ... 12s) is represented as B1, an area of the second region is represented as A2, and a mass of the second weight (11a ... 11s) is represented as B2, B1/A1 > B2/A2 is established. |
申请公布号 |
EP2690400(A3) |
申请公布日期 |
2016.08.10 |
申请号 |
EP20130177198 |
申请日期 |
2013.07.19 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
YAMAGUCHI, KEIICHI;OGURA, SEIICHIRO;KIKUCHI, TAKAYUKI;NISHIZAWA, RYUTA;OSAWA, SEIJI |
分类号 |
G01C19/5621;G01C19/5628 |
主分类号 |
G01C19/5621 |
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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