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| projects:stm:log [2025/06/15 18:24] – [Day 2025-06-15 (rahix)] rahix | projects:stm:log [2025/06/16 07:51] (current) – [Day 2025-06-15 (rahix)] rahix | ||
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| + | During mechanical adjustment, the controller now sweeps until it finds something (left side of the picture below). | ||
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| + | Settings during the experiments above: | ||
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| + | Now changing the settings somewhat in hopes of getting the control loop more tight: | ||
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| + | You can see the faster I-response at least: | ||
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| + | It seems the noise has increased since yesterday. | ||
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| + | After some time, the control loop settled down quite a bit, assumingly because process disturbances decreased for some unknown reason: | ||
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| + | Managed to increase the setpoint current to 456pA: | ||
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| + | Finally tried putting the lid onto the STM for noise shielding, but I think I crashed the tip way too hard during the process as I couldn' | ||
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| + | Should create a new tip next time and then retry more gently. | ||
| ==== Day 2025-06-14 (rahix, k8ik, hugo, q3k, ln, zoe) ==== | ==== Day 2025-06-14 (rahix, k8ik, hugo, q3k, ln, zoe) ==== | ||