Patent ID: 8269568
Filing Date: 2012-09-18
Classification: H03H,Y10T

Abstract:
1. A method for manufacturing a piezoelectric vibrator that comprises: a base substrate; a lid substrate bonded to the base substrate, and that forms a cavity between the base substrate and the lid substrate; a piezoelectric vibrating piece housed in the cavity, and that includes a crystal plate having on its outer surface excitation electrodes and mount electrodes electrically connected to the excitation electrodes, wherein the mount electrodes comprise a metal film having a greater thickness than the excitation electrodes; inner electrodes formed on the base substrate to be electrically connected to the piezoelectric vibrating piece; and metal bumps formed on the inner electrodes to provide electrical interconnections between the inner electrodes and the mount electrodes, and to mount the piezoelectric vibrating piece in a cantilever fashion, the method comprising: