JPS61399

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DESCRIPTION JPS61399
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a longitudinal sectional view of the ultrasonic transducer according to the present
invention, and the number 10 is a cup-shaped housing, 10-1 is a head of 10, 10-2 is a broken
portion of 10, and 11 is a ceramic. The reference numeral 12 is a base plate on which terminals
13-are embedded, 14 is a polymer resin, and 15 is a metal disk. FIG. 2 shows the relationship
between the resonance frequency and the sound pressure with the grinding allowance h of the
shoulder shown in FIG. 1 as a function.
04-05-2019
1