INSPECTION APPARATUS, INSPECTION METHOD, COMPUTER PROGRAM AND RECORDING MEDIUM

An inspection apparatus is provided with: an irradiating device configured to irradiate a sample in which a plurality of layers are laminated with a terahertz wave; a detecting device configured to detect the terahertz wave from the sample to obtain a detected waveform; and an estimating device conf...

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Bibliographische Detailangaben
Hauptverfasser:	OCHIAI, Takanori, OGASAWARA, Masakazu
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	An inspection apparatus is provided with: an irradiating device configured to irradiate a sample in which a plurality of layers are laminated with a terahertz wave; a detecting device configured to detect the terahertz wave from the sample to obtain a detected waveform; and an estimating device configured to estimate a position of a first boundary surface on the basis of a second boundary surface pulse wave and a library, the second boundary surface pulse wave appearing in the detected waveform to correspond to a second boundary surface that is farther from an outer surface than the first boundary surface, the library representing an estimated waveform of the terahertz wave from the sample.