Title:
ULTRASONIC INSPECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/239265
Kind Code:
A1
Abstract:
This ultrasonic inspection device comprises: a transmission unit having a transmission surface for transmitting an ultrasonic beam to a subject; and a plurality of reception units that are aligned in an array shape and that each have a reception surface for receiving the ultrasonic beam having transmitted through the subject. When the wavelength of the ultrasonic beam is defined as λ, the area of the reception surface is not more than (10×λ)2.
Inventors:
NARA AKIHIRO (JP)
KOYAMA TAKAO (JP)
KOYAMA TAKAO (JP)
Application Number:
PCT/JP2021/029156
Publication Date:
November 17, 2022
Filing Date:
August 05, 2021
Export Citation:
Assignee:
YAMAHA FINE TECH CO LTD (JP)
International Classes:
G01N29/04; G01N29/24
Foreign References:
| JPH07260747A | 1995-10-13 | |||
| JP2021032810A | 2021-03-01 | |||
| JP2006082135A | 2006-03-30 | |||
| JP2003262620A | 2003-09-19 | |||
| JPS5462685A | 1979-05-19 | |||
| JPS60260847A | 1985-12-24 | |||
| JP2014089065A | 2014-05-15 | |||
| US6308570B1 | 2001-10-30 |
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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