发明名称 PIEZOELECTRIC VIBRATING PIECE, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC APPARATUS, AND RADIO-CONTROLLED TIMEPIECE
摘要 A piezoelectric vibrating piece includes a pair of vibrating arm portions, a base portion which is arranged between a pair of vibrating arm portions, and connecting portions which connect proximal end portions of a pair of vibrating arm portions and a proximal end portion of the base portion. Narrow width portions are provided at the base of the base portion.
申请公布号 US2014192628(A1) 申请公布日期 2014.07.10
申请号 US201414148326 申请日期 2014.01.06
申请人 SII Crystal Technology Inc. 发明人 TAMURA Masanori
分类号 H03H9/21;H03B5/32;G04C9/00;H01L41/053 主分类号 H03H9/21
代理机构 代理人
主权项 1. A piezoelectric vibrating piece comprising: a pair of vibrating arm portions; a base portion which is arranged between the pair of vibrating arm portions, and connecting portions which connect proximal end portions of the vibrating arm portions and a proximal end portion of the base portion, wherein narrow width portions are provided at the base of the base portion.
地址 Chiba-shi JP