# Tip-based APM * Dip-pen nano lithography * [Dip-pen nanolithography - Wikipedia](https://en.wikipedia.org/wiki/Dip-pen_nanolithography) * ~100 nanometer approach * Molecular inks * Can be done in parallel Scanning <!-- #stub/backlink-collector --> [Web URL for this note](http://notes.benjaminreinhardt.com/Tip-based+APM) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Tip-based+APM)