Patent ID: 8438709
Filing Date: 2013-05-14
Classification: H01L,H03H,Y10T

Abstract:
1. A method of fabricating a piezoelectric vibrator which is a method of fabricating a piezoelectric vibrator in which a piezoelectric vibrating piece substantially constituted by a shape of a plate and including exciting electrodes respectively at both faces thereof at inside of a case constituted by a shape of a bottomed cylinder an opening portion of which is sealed in airtight, the method comprising; a filling member transferring step of inserting a filling member formed with a through hole and having an insulating property to an inside of a ring substantially constituted by a shape of a cylinder having a conductivity; a lead transferring step of inserting one piece of a lead to the through hole of the filling member inserted to inside of the ring to project from both sides of the ring; a filling member sintering step of sintering the filling member along with the ring and the lead to integrate in an airtight manner; a first mounting step of subjecting one of the exciting electrodes of the piezoelectric vibrating piece to a bump connection with an inner lead portion of the lead projected from the ring; a second mounting step of subjecting other of the exciting electrodes, on a side opposed to the one of the exciting electrodes of the piezoelectric vibrating piece connected to the inner lead portion, to wire bonding with the ring; and a press-fitting step of press-fitting the ring to an opening portion of the case having a conductivity and sealing the piezoelectric vibrating piece connected with the inner lead portion to inside of the case in an airtight manner.