Patent ID: 9662918
Date: 2017-05-30
CPC Classifications: B41J,H01L

Claim:
1. A proofing device comprising: a substrate; a plurality of first geometric shapes in column arrangement on the substrate, the plurality of first geometric shapes having gaps between adjacent geometric shapes in the plurality of first geometric shapes, the plurality of first geometric shapes having a height (h a plurality of second geometric shapes in column arrangement on the substrate, the plurality of second geometric shapes having gaps between adjacent geometric shapes in the plurality of second geometric shapes, the plurality of second geometric shapes having a height (h a top layer on each of the plurality of first geometric shapes and the plurality of second geometric shapes, wherein at least one of the gaps between adjacent geometric shapes in the plurality of first geometric shapes and the gaps between adjacent geometric shapes in the plurality of second geometric shapes increases in progressing through the plurality of the first geometric shapes or the plurality of second geometric shapes.