Maskless fabrication of nano-fluidic channels by two-photon absorption (TPA) polymerization of SU-8 on glass substrate
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Bibliographic record
Abstract
We present a simple, fast, and repeatable method for fabricating nano-fluidic channels based on two-photon absorption (TPA) polymerization. Since our method does not require any mask, it is relatively cheaper and faster than other conventional lithography techniques. We illustrate that SU-8 has pronounced photoinitiation threshold behavior, which linearly decreases as the repetition rate increases. If the pulse energy and the repetition rate are controlled, channel width can be easily controlled. We report fluidic channels up to 110 nm in width, between polymerized parallel ribs, utilizing TPA and the photoinitiation threshold properties of SU-8. Finally, we also show that high repetition rate laser presents greater controllability in size of the polymerized region by varying fluence.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it