Accordingly, the piezoelectric resonator element that reduces the occurrence of {HEAD ~ deviation}, which is caused by the acceleration from the third direction, of the resonance frequency of {TAIL ~ the flexural vibration} can be formed 
Accordingly , the piezoelectric resonator element that reduces the occurrence of { HEAD ~ deviation } , which is caused by the acceleration from the third direction , of the resonance frequency of { TAIL ~ the flexural vibration } can be formed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH