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Nondestructive testing of layered industrial products (for example coated medical tablets) using electromagnetic waves (for example in the terahertz range) reflected from the product
Nondestructive testing of layered industrial products (for example coated medical tablets) using electromagnetic waves (for example in the terahertz range) reflected from the product
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机译:使用产品反射的电磁波(例如太赫兹范围内)对层状工业产品(例如包衣的医用片剂)进行无损检测
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摘要
According to the present invention, an electromagnetic wave measurement device includes an electromagnetic wave output device, an electromagnetic wave detector and a measurement unit. The electromagnetic wave output device outputs an electromagnetic wave having a frequency equal to or more than 0.01 [THz] and equal to or less than 100 [THz] toward a device under test including at least two layers, and the electromagnetic wave detector detects reflected electromagnetic waves which are the electromagnetic waves reflected by the respective at least two layers. The measurement unit measures the device under test based on one or both of extreme values of electric fields of the respective reflected electromagnetic waves and a time difference between timings in which the electric fields of the respective reflected electromagnetic waves take the extreme values.
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