Title:
ACOUSTIC MATCHING MEMBER AND METHOD FOR MANUFACTURING SAME, ULTRASONIC WAVE TRANSMITTER/RECEIVER USING SAME, AND ULTRASONIC FLOW METER
Document Type and Number:
WIPO Patent Application WO/2013/190852
Kind Code:
A1
Abstract:
An acoustic matching member (4) comprising dry gel particles (8) and binding particles (10), wherein the dry gel particles have micropores (7) therein and hold interparticle voids among the dry gel particles, the binding particles that are present among the dry gel particles bind the dry gel particles together, and the average particle diameter of the binding particles is larger than the average size of the micropores of the dry gel particles but smaller than the average size of the interparticle voids (9) of the dry gel particles.
Inventors:
NAGAHARA HIDETOMO
SATOU MASATO
ADACHI AKIHISA
SATOU MASATO
ADACHI AKIHISA
Application Number:
PCT/JP2013/003892
Publication Date:
December 27, 2013
Filing Date:
June 21, 2013
Export Citation:
Assignee:
PANASONIC CORP (JP)
International Classes:
H04R17/00; G01F1/66; H04R31/00
Domestic Patent References:
| WO2003064980A1 | 2003-08-07 |
Foreign References:
| JP2003158796A | 2003-05-30 | |||
| JP2004323752A | 2004-11-18 |
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
Patent business corporation Owner old patent firm (JP)
Patent business corporation Owner old patent firm (JP)
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