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Evaluation of a quarter wavelength matching layer transducer in abdominal scanning
Author(s) -
Schuette William H.,
Shawker Thomas H.,
Hall Thomas E.
Publication year - 1979
Publication title -
journal of clinical ultrasound
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.272
H-Index - 61
eISSN - 1097-0096
pISSN - 0091-2751
DOI - 10.1002/jcu.1870070119
Subject(s) - medicine , transducer , quarter (canadian coin) , layer (electronics) , wavelength , acoustics , optics , materials science , composite material , physics , archaeology , history
A focused ultrasonic transducer employing quarter wavelength matching technology is compared to one of conventional design. The effect of the 6 db improvement in signal‐to‐noise ratio is demonstrated.