APPLIED IMAGE precision Ronchi Rulings are generated using the latest photolithographic image processing technology. The result is an extremely accurate ruling with sharp line edges and square edge-profiles. The standard rulings are in Metric frequency units (cycles per millimeter).
5.0 in. x 5.0 in. – 127mm x 127mm
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4.0 in. x 4.0 in. – 101.6mm x 101.6mm