wafer-to-wafer control, process control
Adjust for each wafer.
212 technical terms and definitions
Adjust for each wafer.
Wafer is silicon disk with many dies. Each die is one chip. Yield = percentage of working dies.
Waiting waste occurs when resources idle between operations.
Idle time in process.
One-time approval for deviation.
Weights & Biases tracks experiments. Rich visualization, sweeps.
Backup partially ready.
Warm-starting neural architecture search initializes search with promising architectures from prior knowledge or searches.
Learning rate warmup period.
Gradual warmup for stability.
Gradually increase learning rate at start of training for stability.
Learning rate warmup starts low, increases gradually. Schedulers decay LR over time. Helps training stability and convergence.
Warning methods alert operators to potential errors enabling prevention.
Weighted Approximate-Rank Pairwise loss focuses on top-ranked items for ranking optimization.
GPU thread scheduling.
Warp (NVIDIA) or Wavefront (AMD) is group of threads executing together. Typically 32 threads. SIMT execution.
Bending due to thermal stress.
Warpage measurement quantifies package deformation using shadow moiré or laser profilometry.
Failed units returned under warranty.
Waste elimination removes non-value-adding activities improving efficiency and reducing cost.
Find non-value-adding activities.
Waste minimization reduces hazardous waste generation through process optimization and substitution.
Process and neutralize chemical waste before disposal.
Wastewater treatment removes contaminants from fab effluent through chemical neutralization precipitation filtration and biological processes.
Electrical tests on test structures to verify process.
Water footprint quantifies total water consumption and quality degradation from semiconductor manufacturing operations.
Water intensity measures water consumption per unit production quantifying manufacturing efficiency.
Water recycling systems treat and reuse process water reducing consumption through technologies like reverse osmosis and filtration.
Treat and reuse wastewater to reduce consumption.
Measure of water purity (18.2 MΩcdotcm for UPW).
Water reuse rate is percentage of water recycled for reuse reducing fresh water consumption.
Watermarking embeds detectable patterns in AI outputs. Helps identify AI-generated content.
Embed signatures in AI-generated text or images.
Embed signatures to prove ownership.
Model watermarking embeds owner signature. Detect stolen models. Robust to fine-tuning.
Wav2Lip generates accurate lip-sync for talking face videos using audio-driven visual speech synthesis.
Self-supervised learning for speech representations.
Through-hole soldering method.
WaveGlow is a flow-based generative model for speech synthesis that produces high-quality audio through invertible transformations.
Time-frequency analysis.
Wavelet transforms provide time-frequency decomposition for non-stationary signals.
Wavelet pooling uses graph wavelets for multi-scale signal decomposition enabling hierarchical graph learning.
Use wavelet transform for mixing.
WaveNet architecture adapted for forecasting uses dilated causal convolutions to capture long-term dependencies.
WaveNet generates raw audio waveforms using dilated causal convolutions with autoregressive modeling for high-quality speech synthesis.
WaveRNN uses single-layer recurrent architecture with sparse computations for efficient neural vocoding.
Use weak augmentation for pseudo-labels strong for training.
Use weak supervision signals.
Failures from aging mechanisms.
Wear-out is increasing failure rate from cumulative degradation mechanisms.