Patent ID: 9056432
Filing Date: 2015-06-16
Classification: B29C,B29D,Y10T

Abstract:
1. A method for making one or more shadow masks for use in conjunction with a non-planar substrate, the method comprising the steps of: fabricating a mandrel including one or more forms machined therein by diamond point turning to create sub-nanometer level surface finishes and sub-micrometer form accuracies, the one or more forms corresponding to the shape of a non-planar substrate to be masked; forming, via electroforming, one or more shadow mask blanks in the one or more forms in the mandrel utilizing nickel; removing the one or more shadow mask blanks from the mandrel; and laser micromaching a predetermined pattern into the one or more shadow mask blanks to form one or more shadow masks, the predetermined pattern including features for a predetermined application.