[BNC-all] Attention Lithography Users!

[Ronald K Reger]

Hi All,

Photoresist bottle storage in the cleanroom is overfull. If you use Photoresist in the cleanroom and would like to keep your sample, make sure your bottle is labeled with a dated yellow sticker. I've posted instructional signs and stickers on the red Flammables Cabinet and marked refrigerator by the S-bay, and on the spin coater fume hood in N-bay, see below. Let me know if you can't get to your sample by the end of the week, 12/12/2025, and I'll try to assist. Contact me if you need additional stickers or have any questions.

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Thank you,

Christian Bokrand
Senior Research and Safety Engineer
Birck Nanotechnology Center | Room 2287
Office: 765.496.7367 | Email: cbokrand at purdue.edu<mailto:cbokrand at purdue.edu>
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