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Title:
ULTRASONIC PROBE
Document Type and Number:
WIPO Patent Application WO/2022/202034
Kind Code:
A1
Abstract:
An ultrasonic probe 1 in which a plurality of piezoelectric elements (3) are arrayed on a backing material along an array direction. The ultrasonic probe (1) comprises a plurality of acoustic matching layers (4, 5, 6, 7) stacked on respective ones of the piezoelectric elements (3), wherein at least one acoustic matching layer (4) among the plurality of acoustic matching layers (4, 5, 6, 7) is composed of at least one acoustic matching piece (4A, 4B) having a width narrower than the width of the piezoelectric elements (3) in the array direction.

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Inventors:
OSAWA ATSUSHI (JP)
Application Number:
PCT/JP2022/006899
Publication Date:
September 29, 2022
Filing Date:
February 21, 2022
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
A61B8/00; H04R17/00
Foreign References:
JP2006270725A2006-10-05
JPH11155857A1999-06-15
JP2005064623A2005-03-10
JP2020175049A2020-10-29
JP2016192666A2016-11-10
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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