(19)
(11) EP 0 142 862 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
30.04.1986 Bulletin 1986/18

(43) Date of publication A2:
29.05.1985 Bulletin 1985/22

(21) Application number: 84114041

(22) Date of filing: 20.11.1984
(84) Designated Contracting States:
DE FR GB

(30) Priority: 21.11.1983 JP 21890883

(71) Applicant: Matsushita Electric Industrial Co., Ltd.
 ()

(72) Inventors:
  • Muramatsu, Fumio
     ()
  • Kawabuchi, Masami
     ()

   


(54) Ultrasonic probe having a liquid-containing housing formed of polymethylpentene resin


(57) Disclosed is an ultrasonic probe having a transducer submerged in an acoustic transmitting liquid medium contained in a housing. The housing is formed of polymethylpentene resin having an acoustic impedance approximately equal to that of the human body. Multiple reflections and transmission loss of acoustic energy are minimized to ensure high quality tomographic images.






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