Patent ID: 8783111

Claim:
An ultrasonic testing probe comprising: a first probe and a second probe, in each of which a plurality of oscillators that transmit ultrasonic waves to a tested object and detect ultrasonic waves reflected from the tested object are arrayed, wherein the first probe is disposed closer to a flaw in the tested object than the second probe is, the first probe generates longitudinal first ultrasonic waves that propagate on an inner surface of the tested object opposite to an outer surface thereof where the first probe and the second probe are disposed and transverse second ultrasonic waves that propagate from the outer surface toward an inside of the tested object, the second probe generates longitudinal third ultrasonic waves that propagate on the outer surface and longitudinal fourth ultrasonic waves that propagate from the outer surface toward the inside of the tested object, the first probe detects reflected waves of the longitudinal third ultrasonic waves and reflected waves of the longitudinal fourth ultrasonic waves, and the second probe detects reflected waves of the longitudinal first ultrasonic waves and reflected waves of the transverse second ultrasonic waves.