July 13, 2025 UMD Home FabLab AIM Lab
MA-4 Suss Mask Aligner Back to Equipment List
Operational Status ● Online
Description The Karl Suss MA-4 Mask Aligner is used with substrates up to 4" (100mm) in diameter. It also works for smaller samples. It is a contact/proximity aligner and can be set to utilize either 365 nm or 405 nm light. It is used with a variety of both positive and negative photoresists. Recipes for our standard photoresist processing are attached to the back of the operating instructions below. This system also offers real-time infrared through-wafer backside alignment.
Location FabLab | Photo Tunnel
Manufacturer Karl Suss MA-4
Staff Contact MarkMark Lecates
mlecates@umd.edu
301-405-5197
Rates
Large Commercial
$242/hr
Small Commercial / MTECH
$166/hr
External Non-profit / University
$126/hr
UMD
$81/hr
No Charge
$0/hr
Reservations
Date Start End User
07/15/2025 11:00 AM 12:00 PM Mark Lecates
Logs
Tue, Jul 15, 2025
11:00 am - 12:00 pm
Mark Lecates
View Reservation
Wed, Jul 09, 2025
11:00 am - 11:30 am
Steven Hong
View Reservation
Tue, Apr 15, 2025
11:00 am - 11:30 am
Ian Smith
View Reservation
Mon, Mar 17, 2025
10:30 am - 11:00 am
Ryan Purcell
View Reservation
mon
Fri, Feb 28, 2025
10:00 am - 10:30 am
Ryan Purcell
View Reservation
Records to show:
SOPs
MA- 4 Operating Instructions.pdf (21.04 MB)
index.php (38 B)
Manuals

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Recipes

Colleges A. James Clark School of Engineering
The College of Computer, Mathematical, and Natural Sciences

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