Flexible neural microelectrode arrays reinforced with embedded metallic micro-needles
Bibliographic record
Abstract
Neural microprobes with 16 stimulation/recording channels are fabricated employing surface micromachining techniques. Each device integrates a flexible polyimide-based interconnection cable, the array of bonding pads, and 4 parallel shanks hosting the electrode sites, all constructed in a single 3 mask fabrication process. In order to provide the shanks with enough mechanical strength for insertion into the tissue, a 15 μm thick gold micro-needle is embedded inside each shank as the reinforcement structure. A polyimide shell encapsulates the micro-needles from electrode sites and the interconnection lines. The shanks are 4 mm long, 100 μm wide at the base, and 24 μm thick. The electrode sites measuring 20 μm × 20 μm are addressed through gold interconnection lines to reduce the electrodes impedances and consequently improve the signal to noise ratio of the recording signal. This paper presents the details of microprobe fabrication and the preliminary characterization results.
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How this classification was reachedexpand
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 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".