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KenTahara

Work place: Kanto Electronic Application and Development Corporation, Tokyo, 186-0011, Japan

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Research Interests: Computational Engineering, Engineering

Biography

Ken Tahara received the B.E. degree in electronic engineering from Kogakuin University, Tokyo, Japan in 1964. He had been working at a laboratory of Nippon Telegraph and Telephone since 1958 and then founded Kanto Electronic Application and Development Corporation in 1972, focusing on microwave and millimeter wave technologies, particularly their application to radio astronomy

Author Articles
Sorting of Acrylonitrile-Butadiene-Styrene and Polystyrene Plastics by Microwave Cavity Resonance

By Yuya Mori Takehiko Kobayashi KenTahara

DOI: https://doi.org/10.5815/ijwmt.2016.02.01, Pub. Date: 8 Mar. 2016

This paper presents a new sorting method for acrylonitrile-butadiene-stryrene (ABS) and poly styrene (PS) by means of microwave cavity resonator perturbation. In this method, a small piece of sample material is inserted into a cavity resonator at a point when the electric and magnetic fields mark the maximum and the minimum values, respectively. Experiments were carried out with use of 1-, 2-, 5-, and 10-GHz resonators and ABS and PS samples of various sizes. Loss angles of polarizability (tan χ) exhibited differences large enough to achieve accurate sorting between ABS and PS.

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