Patent ID: 8120234
Filing Date: 2012-02-21
Classification: H03H

Abstract:
1. A piezoelectric frame, comprising: a tuning-fork type piezoelectric vibrating portion including a base portion, a pair of vibrating arms extending in a first direction from the base portion, and an excitation electrode formed on the vibrating arms, each vibrating arm having a first width (W outboard of each vibrating arm, a respective supporting arm extending from the base portion in the first direction, each supporting arm having a second width (W a respective connecting arm extending from each supporting arm in a second direction that crosses the first direction; and an outer frame portion connected to the connecting arms and surrounding the tuning-fork type piezoelectric vibrating piece, supporting arms, and connecting arms, the outer frame portion including first side members extending parallel to each other in the first direction and second side members extending parallel to each other in the second direction and being coupled to the first side members to form the outer frame portion, the first side members having a third width (W