Title:
ULTRASONIC WAVE-GENERATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/053590
Kind Code:
A1
Abstract:
Provided is an ultrasonic wave-generating device that has high conversion efficiency. The ultrasonic wave-generating device comprises: a coil 2 that includes a first main surface 2a and a second main surface 2b which are on opposite front/back sides; a metal foil 3 that is disposed in a state in which tension is applied thereto, on the first main surface 2a side and/or the second main surface 2b side; and a pulsed current generation circuit 4 that applies a pulsed current to the coil 2.
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Inventors:
ADACHI MASATO (JP)
Application Number:
PCT/JP2022/023692
Publication Date:
April 06, 2023
Filing Date:
June 13, 2022
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H04R23/00; H04R3/00
Foreign References:
JPH07328539A | 1995-12-19 | |||
JPS6044814A | 1985-03-11 | |||
JPS62281699A | 1987-12-07 |
Attorney, Agent or Firm:
KAWAMOTO, Takashi (JP)
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