January 14, 2026 UMD Home FabLab AIM Lab
Etch tunnel Acid Bench 2 Back to Equipment List
Operational Status ● Online
Description Working with wet chemicals can be hazardous if you don't follow the proper procedures at all times. Violating procedure risks not only your health but also the health and safety of other users and may result in loss of access to FabLab for an extended period of time.

Please read and understand the Materials Safety Data Sheets (MSDS) for all of the chemicals you will be using. Copies are in a binder in the Change Room or you can find them online at http://www.msdssearch.com/find.htm or from the vendor.
Location FabLab | ETCH Tunnel
Manufacturer
Staff Contact FabLab Staff
fablab@umd.edu
Rates
Large Commercial
$242/hr
Small Commercial / MTECH
$166/hr
External Non-profit / University
$126/hr
UMD
$81/hr
No Charge
$0/hr
Reservations No upcoming reservations at this time.
Logs
Wed, Jan 14, 2026
1:00 pm - 3:00 pm
Joseph Colosimo
View Reservation
HNA Etching of silicon mirrors in rightmost tank of bench 2 and Piranha cleaning of mirrors in leftmost tank of bench 2. Youwei Yao will be assisting.
Thu, Jan 08, 2026
1:30 pm - 5:00 pm
Youwei Yao
View Reservation
Wed, Jan 07, 2026
1:00 pm - 5:00 pm
Youwei Yao
View Reservation

Deleted by: Youwei Yao

Wed, Jan 07, 2026
9:00 am - 7:00 pm
Joseph Colosimo
View Reservation
Daniel Lewis draining the acids
Mon, Dec 01, 2025
1:30 pm - 4:00 pm
Joseph Colosimo
View Reservation
Piranha clean of mirrors in left most tank, HNA etch in right most tank. Assisted by Jessica Patel.
Records to show:
SOPs
etch-02_sop_etch_tunnel_acid_bench.pdf (89.71 KB)
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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