Patent ID: 8365372
Filing Date: 2013-02-05
Classification: H03H,Y10T

Abstract:
1. A method for manufacturing a piezoelectric oscillating circuit in thin film technology, wherein the piezoelectric oscillating circuit comprises a predetermined natural frequency, and wherein the piezoelectric oscillating circuit includes a piezoelectric layer having two opposing surfaces, a bottom electrode on one of the opposing surfaces and a top electrode on the other of the opposing surfaces, the method comprising: (a) generating at least one first top electrode layer of the top electrode; (b) performing a first frequency correction by reducing or increasing the thickness of the first top electrode layer generated in step (a); (c) after performing the first frequency correction, generating at least one second top electrode layer on the first top electrode layer; and (d) performing a second frequency correction by reducing or increasing the thickness of the second top electrode layer generated in step (c).