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    Our coating process


    #2
    Hello,
    My coating process is the same...
    I have same problem about AR coating which is unstable.
    You find a solution ? thanks a lot

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      #3
      the first step is to visually determine whether the gap is between HC and lens or between HC and AR.
      If HC also delaminates, try HC only lenses in boiling DI water for 15 and after 15 extra minutes. If you have delamination you must check the quality of the HC, if the Primer also comes off you must check the correct washing (if you do not rinse well after the soap you risk having a bad adhesion).
      If you have delamination of the AR only, the first suggestion is to perform a Leak up rate to check the integrity of the vacuum (if you need, I'll explain the procedure but I need to know the type of system you have) the maximum allowable value must be less than 5 * 10-5 mb * l / s.
      let me know if you need more information.
      ciao
      Mauro

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