AI Factory Glossary

lot number, manufacturing operations

Lot numbers identify groups of wafers processed together for traceability.

lot number, traceability

Batch identification.

lot sizing, supply chain & logistics

Lot sizing determines optimal production or order quantities balancing setup costs and inventory.

lot splitting, operations

Divide lots for parallel processing.

lot tracking, operations

Monitor wafer lot location.

lot,production

Group of wafers processed together as a batch.

lottery ticket hypothesis, model optimization

Lottery ticket hypothesis posits that dense networks contain sparse subnetworks trainable to full accuracy.

lottery ticket hypothesis,model training

Sparse subnetworks that train from scratch.

lottery ticket,sparse,init

Lottery ticket hypothesis: sparse subnetworks train to full accuracy. Find winning ticket through pruning.

louvain algorithm, graph algorithms

Fast community detection method.

low energy electron diffraction (leed),low energy electron diffraction,leed,metrology

Surface crystal structure.

low temperature, text generation

More deterministic generation.

low-angle grain boundary, defects

Small misorientation between grains.

low-k dielectric, process integration

Low-k dielectrics reduce inter-metal capacitance and RC delay by using materials with lower permittivity than silicon dioxide.

low-k dielectric,beol

Insulator with low dielectric constant to reduce capacitance and RC delay.

low-k dielectric,beol

Insulator with low k for reduced capacitance.

low-loop vs high-loop, packaging

Different loop profiles.

low-precision training, optimization

Use FP16 or BF16 for training.

low-profile qfp, lqfp, packaging

Thinner QFP.

low-rank factorization, model optimization

Low-rank factorization decomposes weight matrices into products of smaller matrices.

low-rank tensor fusion, multimodal ai

Efficient tensor fusion.

low-resource translation, nlp

Translate with limited data.

low-temperature bake, packaging

Gentle moisture removal.

lower control limit, lcl, spc

Lower boundary for normal variation.

lower specification limit, lsl, spc

Minimum acceptable value.

lowercasing, nlp

Convert to lowercase.

lp norm constraints, ai safety

Bound perturbations in Lp norm.

lpcnet, audio & speech

LPCNet combines linear prediction with neural vocoding for efficient high-quality speech generation.

lpcvd (low-pressure cvd),lpcvd,low-pressure cvd,cvd

CVD at reduced pressure for better uniformity and step coverage.

lpips, lpips, evaluation

Perceptual distance metric.

lru cache (least recently used),lru cache,least recently used,optimization

Evict least recently used items when full.

lru cache, lru, llm optimization

Least Recently Used cache evicts oldest accessed entries maintaining frequently used items.

lsh, lsh, rag

Locality Sensitive Hashing creates hash functions preserving similarity for approximate search.

lstm anomaly, lstm, time series models

LSTM-based anomaly detection flags time steps with high prediction error or unusual hidden states.

lstm-vae anomaly, lstm-vae, time series models

LSTM-VAE combines variational autoencoders with LSTM networks to detect anomalies in sequential data through reconstruction probability thresholds.

lstnet, time series models

Long- and Short-term Time-series Network combines CNNs and RNNs with skip connections for multivariate forecasting.

lsuv, lsuv, optimization

Initialize to unit variance per layer.

ltpd, ltpd, quality & reliability

Lot Tolerance Percent Defective is worst quality level acceptable to consumer.

lvcnet, audio & speech

Light-weight and Variable-Context Network for efficient high-quality neural vocoding on mobile devices.

lvi, lvi, failure analysis advanced

Laser Voltage Imaging spatially maps voltage distributions across die surface revealing shorts or voltage drops.

lvs (layout versus schematic),lvs,layout versus schematic,design

Verify layout matches circuit schematic.

lyapunov functions rl, reinforcement learning advanced

Lyapunov functions provide certificates of stability and safety for learned control policies.