AIR (aerial image retargeting): a novel technique for in-fab automatic model-based retargeting-for-yield
Why this work is in the frame
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Bibliographic record
Abstract
In this paper, we present a novel methodology for identifying lithography hot-spots and automatically transforming them into the lithography-friendly design space. This fast model-based technique is applied at the mask tape-out stage by slightly shifting and resizing the designs. It implicitly does a similar functionality as that of the Process Window OPC (PWOPC) but more efficiently. Being a relatively fast technique it also offers the means of providing the designer with all the design systematic deviations from the actual (on-wafer) parameters by including it in the parameter-extraction flow. We applied this methodology successfully to 28-nm Metal levels and showed that it efficiently (better quality and faster) improves the lithography-related yield and reliability issues.
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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 | 0.001 | 0.001 |
| 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 | 0.000 |
| 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