⚙️ Case Setup — Moderate / Bad Tuning
🌀 Final Speed
3 500 rpm
+500 above opt.
Optimal: 2 500–3 000 rpm
💧 Resin Volume
200 µL
+100 µL above opt.
Edge bead risk → high vol.
🌡 Temperature
24 °C
+2°C above opt.
Kp=1.0 Ki=0.1 Kd=0 — poor
💧 Humidity (RH)
55 %
+10% above opt.
Kp=4.5 Ki=1.8 Kd=0 — overtuned
🎬 Spin Coating Cycle Animation
💧Deposit
3 s
3 s
⚡Ramp
5 s
5 s
🌀Thinning
20 s
20 s
💨Drying
10 s
10 s
Waiting for demo…
Cycle: 38 s
📋 Run Results — 4 Cycles
RUN #1
Pending…
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RUN #2
Pending…
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RUN #3
Pending…
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RUN #4
Pending…
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| Run | Speed rpm |
Volume µL |
Temp PV / SP (°C) |
RH PV / SP (%) |
Avg Thick. (µm) |
σ (µm) | CV% | Uniformity (%) |
Result |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 3500 | 200 | — | — | — | — | — | — | — |
| #2 | 3500 | 200 | — | — | — | — | — | — | — |
| #3 | 3500 | 200 | — | — | — | — | — | — | — |
| #4 | 3500 | 200 | — | — | — | — | — | — | — |
DETECTED DEFECTS
Non-Uniformity
Edge Bead
Striations
Comets
Voids
Dewetting
🔍 What Happened? Are you ready to lift the challenge?
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