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--- projects:spincoater:log [2026/01/18 20:27] – [Day 2026-01-18 (q3k, rob, hugo, rahix)] rahix
+++ projects:spincoater:log [2026/01/18 21:25] (current) – q3k
@@ Line 5: / Line 5: @@
 {{:projects:spincoater:pxl_20260118_200953672.jpg?400|}}
+An unknown quantity of PMMA was added to an unknown quantity of acetone. Solution was refluxed at 50 degrees on a hot plate for ~30 minutes. PMMA was not fully dissolved by time of use.
+A micropipette was used to dispense the PMMA/Acetone solution on a test setup without RPM feedback.
+Variable space was explored semi-arbitrarily. Spin time was around 10s. Acceleration was controlled by the ESC.
+The following data is written down post-factum and shouldn't be relied upon until verified against video footage.
+^ Volume (uL) ^ Method  ^ ESC pulse time (uS) ^ Voltage ^ Notes ^
+| ~1500       | Dynamic | 1400                | 12      | {{:projects:spincoater:img_20260118_213055_612.jpg?linkonly|Photo}} Very uneven. |
+| ~100        | Static  | 1100                | 12      | {{ :projects:spincoater:img_20260118_215040_809.jpg?linkonly|Photo}} Center spot visible (initial solution location). |
+| ~100        | Static  | 1100                | 10      | {{ :projects:spincoater:img_20260118_215414_548.jpg?linkonly|Photo}} Without center spot visible. |