Patent ID: 6125706
Filing Date: 2000-10-03
Classification: B06B,G01N

Abstract:
A high temperature electromagnetic acoustic transducer system having an RF coil for conducting inspections of materials for such purposes as material thickness, defect detection, stress measurement and material properties characterization among many, said system comprisinga housing means for containing the components of said system, said housing designed to present the RF coil of said transducer system adjacent to but not in contact with the surface of the material being inspected,permanent magnet means located within said housing means to establish a magnetic field in the material being inspected,electronic means located within said housing to provide impedance matching, signal amplification and frequency tuning circuitry for adjusting and tuning said magnetic field,cooling means within said housing to cool said transducer during operation thereof whereby said system is able to withstand high operating temperature conditions from the material and/or the material environment being inspected as well as from its own operation.