PIEZOELECTRIC DEVICE, ITS HOLE SEALING METHOD, HOLE SEALING APPARATUS, PORTABLE TELEPHONE DEVICE UTILIZING THE PIEZOELECTRIC DEVICE AND ELECTRONIC APPARATUS UTILIZING THE PIEZOELECTRIC DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a hole sealing method for piezoelectric device packages which quickly and reliably seals holes of a plurality of or many packages.;SOLUTION: In the method of sealing through-holes formed into a package 36 of a piezoelectric device with a lid 39 fixed to the package 36 tightly supporting a part of a piezoelectric oscillating piece 32, the plurality of packages 36 are arranged with a sealing material 38 laid over the through-holes 37 formed in the packages bottoms, and the sealing material is irradiated with a light beam from a halogen lamp 11 until molten to thereby close the through-holes 37.;COPYRIGHT: (C)2004,JPO