Dr. Siridech Boonsang, à¸à¸£. ศิริ๠à¸à¸ à¸à¸¸à¸ à¹à¸ªà¸ - Nectec
Dr. Siridech Boonsang, à¸à¸£. ศิริ๠à¸à¸ à¸à¸¸à¸ à¹à¸ªà¸ - Nectec
Dr. Siridech Boonsang, à¸à¸£. ศิริ๠à¸à¸ à¸à¸¸à¸ à¹à¸ªà¸ - Nectec
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Electromagnetic acoustic<br />
transducer (EMAT)<br />
Permanent magnet<br />
(3mm-diameter)<br />
coil<br />
1.0cm Aluminium housing N S N S<br />
J<br />
v<br />
B<br />
Pick up coil<br />
(1mm coil width)<br />
(a)<br />
(b)
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