Small-sized piezoelectric resonator

摘要

The piezoelectric resonator (10) according to the invention includes a tuning fork shaped part with 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 of the tuning fork shaped part, wherein at least one groove (36, 38) is formed on at least one of a front side and a rear side of each vibrating arm.