Design and Evaluation of the Tabletop Made of Carbon Fiber for X-ray CT Scanner

카본 섬유를 이용한 엑스선 CT 스캐너용 Tabletop의 설계 및 평가

  • Sung, Kum-Gil (Dept. of Mechanical Engineering, Yeungnam College of Science & Technology) ;
  • Park, Myung-Kyu (Dept. of Mechanical Engineering, Yeungnam College of Science & Technology)
  • Received : 2008.08.18
  • Accepted : 2008.11.21
  • Published : 2008.11.30

Abstract

The carbon fiber has low x-ray absorption property and high stiffness. This is the reason why many CT(Computed Tomography) manufacturer use carbon fiber in couch tabletop for CT scanner. In this paper, we design and make the couch tabletop made of carbon fiber composite, and verify the validity in CT scanner. In designing the couch tabletop, to determine the aluminum equivalent thickness of couch tabletop, we evaluate X-ray the transmissivity of aluminum and carbon plate in 80-120kVp X-ray energy range. And we perform structural analysis and mechanical design using determined thickness of carbon sheet. In conclusion, it was evaluated that manufactured couch tabletop satisfies X-ray transmissivity and mechanical requirements in CT scanner.

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