Vi Probe
metrology
A VI (Voltage-Current) probe is a diagnostic sensor that measures the RF voltage and current waveforms at the input to a plasma chamber, enabling determination of plasma…
3,538 technical terms and definitions
metrology
A VI (Voltage-Current) probe is a diagnostic sensor that measures the RF voltage and current waveforms at the input to a plasma chamber, enabling determination of plasma…
via resistance, interconnect via, copper via, contact via, via resistance scaling, beol via, dual damascene via, ruthenium via, barrierless via, lithography
Via resistance is the electrical resistance encountered by current flowing vertically between adjacent metal interconnect levels through a conductive plug, encompassing the bulk…
metrology
Via chain is a series of stacked vias for reliability testing — multiple vertical interconnects connected in series to characterize via resistance, uniformity…
high aspect ratio etching, reactive ion etch selectivity, etch stop layer, contact hole patterning
Via and Contact Etch Process — Via and contact etch processes create the vertical connections between metal layers and between the first metal level and transistor terminals…
lithography
Via cut is a lithography and etch technique used in advanced semiconductor back-end-of-line (BEOL) processing to selectively remove unwanted vias (vertical connections between…
advanced packaging, through silicon via, feol tsv, 3d integration
Through-Silicon Vias are the vertical conductive interconnect pillars that traverse the bulk silicon substrate to establish high-density, low-latency electrical connections…
advanced packaging, through silicon via, tsv reveal, 3d packaging
Through-Silicon Vias are the vertical conductive interconnect pillars that traverse the bulk silicon substrate to establish high-density, low-latency electrical connections…
advanced packaging, through silicon via, copper tsv, 3d integration
Through-Silicon Vias are the vertical conductive interconnect pillars that traverse the bulk silicon substrate to establish high-density, low-latency electrical connections…
business & strategy, through silicon via, 3d packaging
Through-Silicon Vias are the vertical conductive interconnect pillars that traverse the bulk silicon substrate to establish high-density, low-latency electrical connections…
metrology
Vibration isolation is the prevention of mechanical disturbances from reaching sensitive semiconductor metrology instruments — essential because sub-nanometer measurements on…
hevc avs3 av1 hardware encoder, video encode decode asic, codec pipeline architecture, cabac entropy coding chip
Video Codec Chip Design: H.265/H.266 Hardware Encoder/Decoder — specialized ASIC for efficient video compression supporting 8K HDR streaming with <10 pJ/bit power efficiency Video…
simulation
Virtual Fabrication is the computational simulation of complete semiconductor process flows — modeling every deposition, etch, implant, CMP, and thermal step in sequence…
metrology
Virtual metrology predicts wafer measurement results from process tool sensor data without physical measurement, enabling faster feedback and reduced metrology cost. Concept…
vm, metrology
Spectroscopic ellipsometry and inline optical wafer metrology constitute the non-destructive physical measurement and defect detection disciplines that govern yield control across…
manufacturing operations
Spectroscopic ellipsometry and inline optical wafer metrology constitute the non-destructive physical measurement and defect detection disciplines that govern yield control across…
virtual metrology cross-chamber transferability prediction, virtual metrology cross-chamber, metrology cross-chamber transferability, virtual metrology
Virtual Metrology Cross-Chamber Transferability Prediction with Machine Learning Introduction & Motivation Virtual Metrology Cross-Chamber Transferability Prediction with Machine…
virtual metrology semiconductor manufacturing, virtual metrology, metrology semiconductor, virtual metrology semiconductor, metrology semiconductor manufacturing, semiconductor manufacturing
Virtual Metrology for Semiconductor Manufacturing Introduction & Motivation Virtual Metrology for Semiconductor Manufacturing addresses a central problem in in-line quality…
virtual metrology model calibration drift prediction, virtual metrology model, metrology model calibration, model calibration drift, calibration drift prediction
Virtual Metrology Model Calibration Drift Prediction with Machine Learning Introduction & Motivation Virtual Metrology Model Calibration Drift Prediction with Machine Learning…
virtual metrology model drift monitoring prediction machine learning, virtual metrology, model drift monitoring, apc, virtual metrology model, metrology model drift
Virtual Metrology Model Drift Monitoring Prediction with Machine Learning Introduction & Motivation Virtual Metrology Model Drift Monitoring Prediction with Machine Learning…
vision processing unit, computer vision accelerator, adas vision chip
Vision processor definition and engineering boundary. is a specialized processor that transforms camera pixels into enhanced images or real-time perception results. It couples…
advanced packaging
Void Detection in Bonded Wafers is the non-destructive inspection process that identifies unbonded regions (voids) trapped at the interface between bonded wafers — using acoustic…
packaging, trapped gas void, flow front entrapment, vent design, stress concentration, delamination, thermal conduction loss, moisture ingress, acoustic microscopy inspection
Voids in molding are air or gas pockets trapped inside the encapsulation compound during molding — internal discontinuities that form either because trapped gas has no escape path…
metrology
Voltage Contrast Imaging is a scanning electron microscope (SEM) technique that visualizes electrical potential differences across semiconductor device surfaces by detecting…
ldo regulator, on die voltage regulator, integrated voltage regulator, ivr
On-Chip Voltage Regulators are integrated power management circuits that generate and regulate supply voltages directly on the processor die — enabling fine-grained per-core…
voltage regulator on chip, LDO regulator IC, switched capacitor regulator, PMIC design
A voltage regulator converts an imperfect supply into the controlled rail that a circuit can safely use. Its job is broader than producing a nominal voltage. It must reject input…
wafer-to-wafer hybrid bonding pad overlay drift prediction, wafer-to-wafer hybrid bonding, hybrid bonding pad, bonding pad overlay, pad overlay drift
Wafer-to-Wafer Hybrid Bonding Pad Overlay Drift Prediction with Machine Learning Introduction & Motivation Wafer-to-Wafer Hybrid Bonding Pad Overlay Drift Prediction with Machine…
w2w, wafer-to-wafer variation, manufacturing
W2W (Wafer-to-Wafer Variation) Overview Wafer-to-wafer variation describes parameter differences between wafers processed in the same lot (batch) or sequentially on the same tool…
silicon, die
A semiconductor wafer is the thin, single-crystal disk that every integrated circuit is built on, and the economic logic of the entire industry starts with its diameter. A modern…
backside grinding, CMP damage layer removal, temporary carrier bonding, wafer bowing, TSV depth enabling, de-bonding process, thinning yield defects
Wafer thinning mechanically removes silicon from a wafer's backside, reducing total thickness from a standard roughly 750 micrometers down to anywhere between 50 and 200…
WAC, defect density threshold, film thickness ellipsometry, critical dimension SEM, electrical acceptance, pass fail hold disposition, customer SLA, yield protection, quality gate
Wafer acceptance criteria, almost universally abbreviated WAC, are the set of quantitative pass/fail thresholds a wafer has to clear at various checkpoints throughout fabrication…
quality & reliability
Wafer Acceptance Test is a defined qualification test sequence used to decide whether incoming or processed wafers meet release criteria - It prevents nonconforming lots…
parametric test, wat, pcm test, electrical sort test
Wafer Acceptance Test (WAT) is the electrical measurement of test structures fabricated alongside production chips to monitor process health and detect manufacturing excursions…
wafer acceptance test correlation prediction machine learning, wafer acceptance, test correlation prediction, wafer acceptance test correlation prediction, acceptance test
Wafer Acceptance Test Correlation Prediction with Machine Learning Introduction & Motivation Wafer Acceptance Test Correlation Prediction with Machine Learning addresses a central…
metrology
Wafer acceptance test structures are special patterns for electrical testing — dedicated test structures placed on semiconductor wafers to verify process quality, measure…
process
Wafer Annealing for Gettering refers to the specific thermal cycle sequences — denudation, nucleation, and growth — designed to engineer the optimal bulk micro-defect profile…
wafer backgrind chipping prediction machine learning, wafer backgrind, chipping prediction machine, wafer backgrind chipping prediction, wafer backgrind chipping, backgrind chipping
Wafer Backgrind Chipping Prediction with Machine Learning Introduction & Motivation Wafer Backgrind Chipping Prediction with Machine Learning addresses a central problem in wafer…
wafer backgrind taiko ring stress prediction machine learning, wafer backgrind, taiko ring stress, wafer backgrind taiko ring stress prediction, wafer backgrind taiko
Wafer Backgrind Taiko Ring Stress Prediction with Machine Learning Introduction & Motivation Wafer Backgrind Taiko Ring Stress Prediction with Machine Learning addresses a central…
wafer backgrind thickness uniformity prediction, wafer backgrind thickness, backgrind thickness uniformity, thickness uniformity prediction, wafer backgrind
Wafer Backgrind Thickness Uniformity Prediction with Machine Learning Introduction & Motivation Wafer Backgrind Thickness Uniformity Prediction with Machine Learning addresses…
wafer backgrinding stress relief, wafer backgrinding stress, backgrinding stress relief, wafer backgrinding, backgrinding stress, stress relief
Wafer Backgrinding Stress Relief with Machine Learning Introduction & Motivation Wafer Backgrinding Stress Relief with Machine Learning addresses a central problem in wafer…
thermal management modeling stress relief during wafer backgrinding, thermal management modeling, management modeling stress, modeling stress relief, stress relief during, modeling stress
Thermal Management: Modeling stress relief during wafer backgrinding Introduction & Motivation Thermal Management: Modeling stress relief during wafer backgrinding addresses…
wafer backgrinding stress relief, wafer backgrinding stress, backgrinding stress relief, wafer backgrinding, backgrinding stress, stress relief
Wafer Backgrinding Stress Relief with Machine Learning Introduction & Motivation Wafer Backgrinding Stress Relief with Machine Learning addresses a central problem in wafer…
wafer backside coating adhesion prediction machine learning, wafer backside, coating adhesion prediction, wafer backside coating adhesion prediction, wafer backside coating
Wafer Backside Coating Adhesion Prediction with Machine Learning Introduction & Motivation Wafer Backside Coating Adhesion Prediction with Machine Learning addresses a central…
wafer backside damage gettering prediction machine learning, wafer backside, damage gettering prediction, wafer backside damage gettering prediction, wafer backside damage
Wafer Backside Damage Gettering Prediction with Machine Learning Introduction & Motivation Wafer Backside Damage Gettering Prediction with Machine Learning addresses a central…
wafer backside metal adhesion prediction machine learning, wafer backside, metal adhesion prediction, wafer backside metal adhesion prediction, wafer backside metal
Wafer Backside Metal Adhesion Prediction with Machine Learning Introduction & Motivation Wafer Backside Metal Adhesion Prediction with Machine Learning addresses a central problem…
wafer backside particle defect prediction machine learning, wafer backside, particle defect prediction, wafer backside particle defect prediction, wafer backside particle
Wafer Backside Particle Defect Prediction with Machine Learning Introduction & Motivation Wafer Backside Particle Defect Prediction with Machine Learning addresses a central…
process
Wafer backside processing is the set of post-frontside operations applied to the rear surface of a wafer to enable thinning, stress control, and electrical or thermal…
wafer bin map binning shift detection prediction machine learning, wafer bin, map binning shift, wafer bin map binning shift detection prediction, wafer bin map
Wafer Bin Map Binning Shift Detection Prediction with Machine Learning Introduction & Motivation Wafer Bin Map Binning Shift Detection Prediction with Machine Learning addresses…
wafer bin map pattern classification, wafer bin map, bin map pattern, map pattern classification, wafer bin, bin map, map pattern, pattern classification
Wafer Bin Map Pattern Classification with Machine Learning Introduction & Motivation Wafer Bin Map Pattern Classification with Machine Learning addresses a central problem…
wafer bin map spatial pattern recognition machine learning, wafer bin, map spatial pattern, wafer bin map spatial pattern recognition, wafer bin map, bin map spatial, bin map
Wafer Bin Map Spatial Pattern Recognition with Machine Learning Introduction & Motivation Wafer Bin Map Spatial Pattern Recognition with Machine Learning addresses a central…
advanced packaging, fusion bonding, anodic bonding, hybrid bonding, copper-copper bonding, 3D integration, SOI substrate, MEMS packaging, acoustic microscopy
Wafer bonding joins two separate wafers into one permanent composite structure, using a family of techniques that range from pure molecular attraction between atomically smooth…