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DESCRIPTION JPS5843097
[0001]
Brief description of the drawings
[0002]
1a and 1b are respectively a perspective view and a sectional view of a conventional piezoelectric
vibrator, and FIGS. 2 and 3 are a sectional view and an exploded perspective view of an
embodiment of the piezoelectric vibrator according to the present invention. FIG. 4 is a schematic
view showing the vibration mode of the piezoelectric vibrator of the present invention, and FIG. 5
is a frequency characteristic curve view. 4 ····· Metal base, 5, 6 · · · · · Annular substrate, 7, 8 · · · · · ·
Annular piezoelectric material plate, 9 · · · · · · · · Piezoelectric diaphragm, 10 · · · ----- circular metal
sheet, 11 ...... circular piezoelectric material plate.
11-05-2019
1