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Didace EKEOM
Didace EKEOM
17:10 Oct-22-2009
transducer backing & matching layers materials

Dear all,

Do someone know where I can find transducer medical backing & matching layers materials data. And where I can buy them?

Best regards,

Didace

    
 
 Reply 
 
nishal
Consultant, -
University of Strathclyde, United Kingdom, Joined Feb 2008, 2

nishal

Consultant, -
University of Strathclyde,
United Kingdom,
Joined Feb 2008
2
18:39 Oct-22-2009
Re: transducer backing & matching layers materials
In Reply to Didace EKEOM at 17:10 Oct-22-2009 (Opening).

Standard epoxy filled with tungesten partices, is often used as backing for ultrasonic transducers.

Matching layers could be (1) one quarter wavelength layer (2) multiple graded layer configuration. Depending on your configuration, it is just a question of choosing material that has the correct impedance characteristics for your matching layer profile.

nishal

    
 
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