Title:
ULTRASONIC SENSOR
Document Type and Number:
WIPO Patent Application WO/2020/189740
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an ultrasonic sensor with high scanning precision and excellent scanning efficiency. An ultrasonic sensor according to one aspect of the present invention comprises: a vibration detection element 2 which has a plurality of vibration detection sections 2a; and a covering layer 3 which is laminated on the vibration detection element 2, wherein the covering layer 3 has a plurality of ultrasonic wave transmissive sections 3a which overlap the plurality of vibration detection sections 2a in a plan view.
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Inventors:
HIYAMA KUNIO (JP)
NARA AKIHIRO (JP)
NARA AKIHIRO (JP)
Application Number:
PCT/JP2020/012129
Publication Date:
September 24, 2020
Filing Date:
March 18, 2020
Export Citation:
Assignee:
YAMAHA CORP (JP)
YAMAHA FINE TECH CO LTD (JP)
YAMAHA FINE TECH CO LTD (JP)
International Classes:
H04R17/00; G01N29/00
Foreign References:
| JP2015097733A | 2015-05-28 | |||
| JP2015040714A | 2015-03-02 | |||
| JP2017174209A | 2017-09-28 | |||
| JP2018141813A | 2018-09-13 |
Attorney, Agent or Firm:
AMANO Kazunori (JP)
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