One more step: pillar array with various diameters
{"Image DocumentName": "One more step: pillar array with various diameters", "Image ImageDescription": "Pitch: 200nm. 35 nm diameter. Cr. silicon. 1. Cr dots by liftoff. 2. RIE silicon and remove Cr. (RIE: reactive ion etching) 70 nm diameter. 115 nm diameter.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}