Mylar or transparency masks are a very inexpensive, quick-turnaround alternative
to conventional Cr masks, for defining non-critical features. Using a 3600 or
better, photoreproduction quality laser printer, you can generate a transparency
with geometries defined down to the tens of microns in resolution. John
(former SNF labmember, now professor) has a very
nifty website describing how
to use AutoCAD for generating PostScript files
. Here are a couple of print
shops which can provide this service.
EPS and Illustrator files are accepted. Output printer is up to 20,000 dpi,
depending on the data received. Quality Kodak film is used. Stanford University
affiliates get special pricing. (You must mention that you are with Stanford.)
There is a minimum order (around $50). A typical single mask printout will
- CAD/ART Services, Bandon, OR.
Phone: 541-347-5315. Output is up to 20,000 dpi and you can FTP data
to their server.
- Infinite Graphics, Minneapolis,
MN, offers film plotting to 50,000 dpi. Special pricing is available to SNF academic labmembers (SUNet ID required.)