PIEZOELECTRIC OSCILLATOR AND ITS PRODUCTION

摘要

PURPOSE:To decrease the secular change and to redue the thickness of a piezoelectric oscillator, by covering the holding part of a holding member as well as a piezoelectric element with a cover and with a gap and molding the outer circumference of the cover. CONSTITUTION:A holding part 3a of a holder member 3 is stuck to a piezoelectric element 2, and a fixed part 3b at the other side of the member 3 is exposed. Then the element 2 and the part 3a are covered with a cover 4 and with a gap 6. The element 2 and the part 3a are sealed at the outer circumference of the cover 4 and then molded so that the part 3b is protruded.