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• Published Subscription 2 Apr 2019

  Evaluation of Surface Replication of Injection Molded Products Using a Diffraction Method

  By Toshimitsu Takaoka, Takuya Ueno, Hiroshi Owari, Hiroshi Ito

  Abstract: ABSTRACT An evaluation method of surface replication for molded parts, which utilizes optical diffraction phenomena, is proposed. In general, the intensity of the diffracted light increases as the replication ratio becomes large, which leads to the increase in directly transmitted light. As a result, the surface in highly replicated region appears to be darker compared with the other region. An inversely proportional relationship between the 0th-order diffraction efficiency and the …

  Published in Trends in Opto-electro & Optical Communication · Vol. 2, Issue 1, 2012 · pp. 18–27 Read article →