Terahertz application for non-destructive inspection of coated Al electrical conductive wires

Kenta Kuroo, Ryo Hasegawa, Tadao Tanabe, Yutaka Oyama

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

At present, one of the main inspection methods of electric wires is visual inspection. The development of a novel non-destructive inspection technology is required because of various problems, such as water invasion by the removal of insulators. Since terahertz (THz) waves have high transparency to nonpolar substances such as coatings of conductive wire, electric conductive wires are extremely suitable for THz non-destructive inspection. In this research, in order to investigate the quantitative possibility of detecting the defects on aluminum electric wire, THz wave reflection imaging measurement was performed for artificially disconnected wires. It is shown that quantitative detection is possible for the disconnect status of the aluminum electric wire by using THz waves.

Original languageEnglish
Article number27
JournalJournal of Imaging
Volume3
Issue number3
DOIs
Publication statusPublished - 2017 Sep
Externally publishedYes

Keywords

  • Aluminum electric wire
  • Imaging
  • Non-destructive inspection
  • Terahertz wave

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Computer Vision and Pattern Recognition
  • Computer Graphics and Computer-Aided Design
  • Electrical and Electronic Engineering

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