An overview of various maskmaking options.
Links to maskmaking services used by SNF labmembers.
Also known as Mylar masks or film plotting.
By Alissa Fitzgerald. SNF no longer supports some of the aligner tools mentioned, but this is an excellent overview of the process considerations needed to design a mask.
How to layout, design, and order a photomask from a commercial service, by Bill Martin.
By Sung-Jin Park (cool tricks with LEdit)
Tips and tricks on using LEdit for mask layouts.
A list of layout programs used by SNF labmembers.
Alignment marks, verniers, and examples of layouts.