发明名称 SMALL-SIZED PIEZOELECTRIC RESONATOR
摘要 PROBLEM TO BE SOLVED: To provide a small-sized piezoelectric resonator that is easily housed in a package. SOLUTION: The piezoelectric resonator (10) of a tuning fork shape includes two parallel vibrating arms (12, 14), connected to each other by a linking part (16), from which protrude a central arm (18) located between both vibrating arms (12, 14), the vibrating arms (12, 14) carrying first electrodes (20, 22) to make them vibrate, these electrodes (20, 22) being connected to connection elements (28, 30) carried by the central arm (18), wherein a slot (80) has been cut within the linking part (16) opposite to the central arm (18) and wherein second electrodes (82, 84) have been arranged along the slot (80). COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2006345517(A) 申请公布日期 2006.12.21
申请号 JP20060156196 申请日期 2006.06.05
申请人 ETA SA MANUFACTURE HORLOGERE SUISSE 发明人 DALLA PIAZZA SILVIO;STUDER BRUNO;LUETHI THOMAS
分类号 H03H9/215;H03H9/19 主分类号 H03H9/215
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