Design and Optimization of High-Failure-Current Dual-Direction SCR for Industrial-Level ESD Protection
Why this work is in the frame
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Bibliographic record
Abstract
In an industrial-grade bus, transient voltage suppressor (TVS) devices that need to withstand inrush currents ensure electrostatic discharge (ESD) reliability of the core chip. This article designs four types of dual-direction silicon-controlled rectifier (DDSCR) device structures based on the 0.5-μm CMOS process. The ESD performance of the TVS device is predicted and verified based on the basic principles of the device, two-dimensional device simulation, and transmission line pulse test results. Four DDSCR structures are embedded with floating N+ to adjust the device's holding voltage window. The results show that the current release capacity of DDSCR_1 is 81.93 mA/μm. The current release capability of DDSCR_2, which has a double-dummy-gate structure, is 82.37 mA/μm. The current release capability of DDSCR_3 of the gate-controlled structure is 86.68 mA/μm. The current release capability of DDSCR_4 of the double-dummy-gate structure and the gate-controlled structure is 86.25 mA/μm. Furthermore, the effect of the size of these devices on the ESD characteristics was studied. The on-resistance of the device structure is calculated by the curve-fitting method. The influence of the dummy gate structure and the gate-controlled structure on the ESD characteristics is analyzed. Finally, the optimal device size to meet the window is found.
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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 | 0.001 |
| 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 it