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Slide blank, and process for producing a slide therefrom

  • US 5,422,230 A
  • Filed: 04/12/1994
  • Issued: 06/06/1995
  • Est. Priority Date: 04/12/1994
  • Status: Expired due to Term
First Claim
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1. A slide blank comprising:

  • a support;

    a mask layer having a substantially transparent central portion and a non-transparent peripheral portion surrounding the central portion; and

    ,an imageable layer which is not substantially sensitive to visible radiation but is imageable by exposure to actinic radiation to form an image which can be viewed in transmission,the support, mask layer and imageable layer being secured together so that the support and the imageable layer extend across essentially the entire transparent central portion of the mask layer, at least the portion of the support adjacent the central portion of the mask layer being substantially transparent.

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