South Slope Nano Devices

We're the nano-lithography arm of Gotham Silicon, working out of the Columbia University Nano Initiative clean room.

Current project

Mosaic

We're etching 1,124 little pictures onto a 29mm sapphire disk in gold this May. Looking for cool stuff to include — pixel art, sketches, drawings, photos, anything that reads in 500×500 black-and-white.

Submit a tile →
Project

Pi Plate

A 5-inch sapphire plate with the first billion digits of π etched in gold. 750 nanometers per pixel — at the limit of visible light.

Read the writeup →