Focusing Type
The ultrasonic probe / ultrasonic transducer generates and receives focusing beam
Focusing Type (Angle beam, Longitudinal angle beam)
Ultrasonic probe / ultrasonic transducer generates and receives surface wave.
Focusing Type (Straight Beam, Immersion, Broadband focusing Immersion)
Ultrasonic probe / ultrasonic transducer equipped special attachment (curved element, lens) to get focusing beam.