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ROTARY TRANSFORMER FOR ROTARY ULTRASONIC FLAW DETECTION DEVICE AND ROTARY ULTRASONIC FLAW DETECTION DEVICE USING SAME
ROTARY TRANSFORMER FOR ROTARY ULTRASONIC FLAW DETECTION DEVICE AND ROTARY ULTRASONIC FLAW DETECTION DEVICE USING SAME
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机译:用于旋转式超声跳动检测装置的旋转变压器和使用相同的旋转式超声跳动检测装置
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摘要
The rotary transformer 5 includes a plate-shaped stator 51 having a coil arranged on one surface thereof, and a plate-shaped rotator 52 having a coil arranged on one surface thereof, in which the respective coil-arranged surfaces are disposed to face with each other so that signal transmission in a frequency range of 1 to 10 MHz is performed between the coils. The stator includes a substrate 512 on which a plurality of one-turn coils are formed into a concentric shape, and a supporting member 513. The rotator includes a substrate 522 on which one-turn coils 521 of same number are formed into a concentric shape, and a supporting member 523. Air or a material M which is an insulator and has a relative magnetic permeability substantially equal to 1 is lying between the substrate 512 and the supporting member 513, and between the substrate 522 and the supporting member 523.
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