Electroconductive Image Formation in Zinc Oxide-Resin Layer by Light and Electrolytic Processes

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  • NAKAYAMA Takao
    Imaging Scieuce & Engineering Laboratory; Tokyo Institute of Technology
  • KOKADO Hiroshi
    Imaging Scieuce & Engineering Laboratory; Tokyo Institute of Technology
  • INOUE Eiichi
    Imaging Scieuce & Engineering Laboratory; Tokyo Institute of Technology

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Other Title
  • 光─電解プロセスによる酸化亜鉛─樹脂感光層の導電性画像の形成
  • 光-電解プロセスによる酸化亜鉛-樹脂感光層の導電性画像の形成
  • ヒカリ デンカイ プロセス ニヨル サンカ アエン ジュシ カンコウソウ ノ

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Abstract

Recently, the duplication process with printing capability of 100 to 1000 copies is becoming to meet more technical interests.<br/>The authors demonstrate the possibility of an electrostatic duplicating master with conductive image in zinc oxide-resin layers. Simultaneous or successive processing with an imagewise light exposure and an application of electric field in electrolyte solution imposed a remarkable change on the corona charge acceptance of zinc oxide-resin layer. The above changes in charge acceptanc are considered to due to the photo-cathodic reduction of zinc oxide (component change) or photo-anodic dissolution of zinc oxide. The electrical resistance of exposed areas on both processes was less than 10 ohms in the direction of the thickness.<br/>In addition, an attempt is described in which the photoconductive memory of zinc oxideresin layers is greatly enhanced by addition of benzoic acid to let the layers work as electrostatic duplication masters.

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