Planar sacrificial surface micromachining by nickel silicide
Bibliographic record
Abstract
This paper introduces an innovative sacrificial surface micromachining process that enhances the fabrication of freestanding microstructures and compliant mechanisms. This process eliminates the topography issues related to the fabrication of these microstructures and achieves planarization without using Chemical-Mechanical Polishing (CMP). The process is based on the silicide technology, which is low temperature and post-CMOS compatible. We use a layer of amorphous silicon (a-Si) as the sacrificial layer. High etch selectivity between silicon and nickel silicide in the XeF <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> gas enables us to use the silicide to anchor the structures to the substrate. To anchor the structure, the a-Si over the structure's anchor is converted to the nickel silicide. The silicide layer has the same thickness as the sacrificial layer, producing a virtually flat freestanding structure. The maximum measured step between the anchor and the sacrificial layer was about 4nm on a 100nm thick sacrificial layer.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| 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".