| 摘要 |
PROBLEM TO BE SOLVED: To provide a piezoelectric oscillator, in which the oscillation frequency does not fluctuate and thinning phenomenon does not occur in a sealing glass. SOLUTION: The piezoelectric oscillator 1 comprises a package 10 in which a first cavity 20 for mounting a tuning-fork type piezoelectric vibration piece 22 and a second cavity 30 for mounting an IC chip 32 are longitudinally formed in the direction of thickness of the piece 22. A communicating hole 40 between the cavity 20 and the cavity 30 in the package 10 is formed so as to be relative to a mass adjusting section (a weight 25), and the hole 40 is sealed with a brazing metal material. COPYRIGHT: (C)2003,JPO |
