Method for producing duplicating light diffusion sheet, light diffusion sheet and method for producing the same, and screen

Method for producing duplicating light diffusion sheet, light diffusion sheet and method for producing the same, and screen

  • CN 101,310,928 A
  • Filed: 02/04/2005
  • Published: 11/26/2008
  • Est. Priority Date: 02/04/2004
  • Status: Active Application
First Claim
Patent Images

1. the method for the mould that in duplicating the light diffusion sheet process, uses of a production, this method comprises:

  • Implement sandblast, grinding-material is ejected into from spray gun on the surface of mould host material, uneven on the surface of mould host material, to form,Wherein grinding-material is to be ejected on the surface of mould host material with the spray angle less than 90 °

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