Ultrasonic probe
First Claim
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1. An ultrasonic probe comprising an ultrasonic transducer, the ultrasonic transducer further comprising, by sequential lamination:
- an acoustic lens;
an acoustic matching layer;
a piezoelectric element; and
a backing member, wherein the backing member for attenuating ultrasonic waves arranged on a surface opposed side of the acoustic matching layer and the acoustic lens arranged to the piezoelectric element contains a synthetic rubber having a mixture including acrylonitrile-butadiene rubber (NBR), ethylen-propylene terpolymer (EPDM), and at least inorganic fine powders.
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Abstract
An ultrasonic probe includes an ultrasonic transducer which is formed by sequentially laminating an acoustic lens, an acoustic matching layer, a piezoelectric element, and a backing member. The backing member arranged on a surface opposed side of the acoustic matching layer and the acoustic lens arranged to the piezoelectric element contains a synthetic rubber containing a mixture including acrylonitrile-butadiene rubber (NBR), ethylen-propylene terpolymer (EPDM), and at least inorganic fine powders.
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Citations
8 Claims
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1. An ultrasonic probe comprising an ultrasonic transducer, the ultrasonic transducer further comprising, by sequential lamination:
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an acoustic lens;
an acoustic matching layer;
a piezoelectric element; and
a backing member, wherein the backing member for attenuating ultrasonic waves arranged on a surface opposed side of the acoustic matching layer and the acoustic lens arranged to the piezoelectric element contains a synthetic rubber having a mixture including acrylonitrile-butadiene rubber (NBR), ethylen-propylene terpolymer (EPDM), and at least inorganic fine powders. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification