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Method of molding chalcogenide glass lenses

  • US 5,346,523 A
  • Filed: 03/31/1993
  • Issued: 09/13/1994
  • Est. Priority Date: 03/31/1992
  • Status: Expired due to Fees
First Claim
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1. A method of molding a chalcogenide glass lens, comprising the steps of:

  • providing a mold assembly having a mold cavity which includes a pair of molds having different curvature radiuses,placing a block of chalcogenide glass within said cavity,heating said pair of molds having different curvature radiuses from each other and said block of chalcogenide glass, in such manner that the temperature of the mold having smaller curvature radius is higher than the temperature of the other mold,pressing said block of chalcogenide glass to form a molded chalcogenide glass lens, andremoving the molded chalcogenide glass lens from said mold assembly.

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