184 technical terms and definitions
energy consumption carbon footprint optimization wafer fab operations, energy consumption, carbon footprint optimization, hvac, energy consumption carbon
Energy Consumption and Carbon Footprint Optimization for Wafer Fab Operations Introduction & Motivation Energy Consumption and Carbon Footprint Optimization for Wafer Fab…
energy consumption per wafer forecast prediction, energy consumption per, consumption per wafer, per wafer forecast, wafer forecast prediction, energy consumption, per wafer
Energy Consumption per Wafer Forecast Prediction with Machine Learning Introduction & Motivation Energy Consumption per Wafer Forecast Prediction with Machine Learning addresses…
energy dispersive x-ray spectroscopy, eds/edx, metrology
Energy Dispersive X-ray Spectroscopy (EDS/EDX) is an analytical technique that identifies the elemental composition of materials by detecting characteristic X-rays emitted when…
bis export controls, semiconductor export restrictions, smic sanctions, export administration regulations, euv export ban
The Entity List is the U.S. Commerce Department's mechanism — maintained by the Bureau of Industry and Security (BIS) under the Export Administration Regulations — for naming…
metrology
Environmental control in semiconductor metrology refers to the maintenance of stable temperature, humidity, vibration, and contamination levels in measurement areas — because…
packaging
Environmental isolation is the packaging strategy that shields devices from moisture, chemicals, particles, and mechanical contaminants while preserving required functionality…
etem, metrology
Spectroscopic ellipsometry and inline optical wafer metrology constitute the non-destructive physical measurement and defect detection disciplines that govern yield control across…
epitaxy modeling, epitaxial growth, thin film, semiconductor growth, CVD modeling, crystal growth
Semiconductor Manufacturing Process: Epitaxy (Epi) Modeling 1. Introduction to Epitaxy Epitaxy is the controlled growth of a crystalline thin film on a crystalline substrate…
epitaxial, epitaxial deposition, sige epitaxy, si:c epitaxy, selective epitaxial growth, epitaxial strain, epitaxial cvd, strain engineering epi, epitaxy
Silicon epitaxy is the precision crystal growth process where a single-crystalline semiconductor film is deposited onto a crystalline silicon substrate from gas-phase precursors…
fairchild bell labs 1961 vapor phase redeposition contamination, epitaxial transistor 1961 doping profile graded not abrupt, silicon epitaxial 1961 substrate dopant evaporates redeposits
Confront Autodoping: Out-Diffusion From the Substrate Into the Epitaxial Layer During Growth 1. Why the Layer Step 2 Grew Was Never Quite as Clean as It Looked The reactor that…
epitaxial reactor capital and cycle time added to the planar flow, cost per wafer added by a new growth stage
Quantify the Cost and Cycle Time Epitaxial Growth Adds to the Planar Flow: A New Process Step With Its Own Price Tag 1. Why Solving Step 1's Conflict Was Never Going to Be Free…
Epitaxy, ALD, CVD, Strain, and Heterostructure Engineering 1. Coupled thermodynamics and kinetics Semiconductor film growth is governed by chemical potential, surface…
epitaxy semiconductor, selective epitaxial growth, vapor phase epitaxy, in situ doping epitaxy, epitaxy
Silicon epitaxy is the precision crystal growth process where a single-crystalline semiconductor film is deposited onto a crystalline silicon substrate from gas-phase precursors…
epitaxy, selective epitaxial growth, vapor phase epitaxy, sige epitaxy, epitaxial defect control, rpcvd epitaxy, epitaxy
Silicon epitaxy is the precision crystal growth process where a single-crystalline semiconductor film is deposited onto a crystalline silicon substrate from gas-phase precursors…
epitaxy, selective epitaxy, source drain epitaxy, sige epitaxial layer, epitaxy process control, epitaxial growth
Silicon epitaxy is the precision crystal growth process where a single-crystalline semiconductor film is deposited onto a crystalline silicon substrate from gas-phase precursors…
epitaxy, selective epitaxy, homoepitaxy heteroepitaxy, strained silicon epitaxy, selective epitaxial growth
Silicon epitaxy is the precision crystal growth process where a single-crystalline semiconductor film is deposited onto a crystalline silicon substrate from gas-phase precursors…
epitaxial wafer doping uniformity prediction, epitaxial wafer doping, wafer doping uniformity, doping uniformity prediction, epitaxial wafer, wafer doping, doping uniformity
Epitaxial Wafer Doping Uniformity Prediction with Machine Learning Introduction & Motivation Epitaxial Wafer Doping Uniformity Prediction with Machine Learning addresses a central…
silicon epitaxy growth, epi layer uniformity, substrate crystal quality, vapor phase epitaxy
Epitaxial Wafer Preparation — Epitaxial wafer preparation involves growing a high-quality single-crystal silicon layer on a polished silicon substrate, providing the precisely…
epitaxial wafer thickness uniformity prediction, epitaxial wafer thickness, wafer thickness uniformity, thickness uniformity prediction, epitaxial wafer, wafer thickness
Epitaxial Wafer Thickness Uniformity Prediction with Machine Learning Introduction & Motivation Epitaxial Wafer Thickness Uniformity Prediction with Machine Learning addresses…
homoepitaxy, heteroepitaxy, silicon epitaxy, epitaxial silicon, epitaxy defects, epitaxy surface preparation, epitaxy strain, epitaxy metrology, MBE, molecular beam epitaxy, MOCVD, metal organic cvd, critical thickness
Epitaxy extends a crystal from a crystalline seed surface; the product is crystallographic registry, not simply deposited thickness. Atoms must arrive, diffuse, find stable…
emc, packaging
Epoxy molding compound is the epoxy-based thermoset encapsulant used in semiconductor packaging for protection and reliability - it is the industry-standard compound family…
esd protection circuit, esd layout, esd design window
Electrostatic Discharge (ESD) protection constitutes the dedicated on-chip network of high-current shunting devices engineered to safeguard sensitive gate dielectrics, thin tunnel…
esd, packaging
Electrostatic Discharge (ESD) protection constitutes the dedicated on-chip network of high-current shunting devices engineered to safeguard sensitive gate dielectrics, thin tunnel…
esd packaging shielding effectiveness prediction, esd packaging shielding, packaging shielding effectiveness, shielding effectiveness prediction, esd packaging
ESD Packaging Shielding Effectiveness Prediction with Machine Learning Introduction & Motivation ESD Packaging Shielding Effectiveness Prediction with Machine Learning addresses…
esd clamp design methodology, cdm hbm esd protection, esd design window constraint, on chip esd protection
Electrostatic Discharge (ESD) protection constitutes the dedicated on-chip network of high-current shunting devices engineered to safeguard sensitive gate dielectrics, thin tunnel…
esd clamp design, esd human body model, esd charged device model, esd snapback scr
Electrostatic Discharge (ESD) protection constitutes the dedicated on-chip network of high-current shunting devices engineered to safeguard sensitive gate dielectrics, thin tunnel…
esd, design, whole chip esd, rail clamp
Electrostatic Discharge (ESD) protection constitutes the dedicated on-chip network of high-current shunting devices engineered to safeguard sensitive gate dielectrics, thin tunnel…
esd design rule, esd clamp circuit, hbm cdm esd model, esd io protection
Electrostatic Discharge (ESD) protection constitutes the dedicated on-chip network of high-current shunting devices engineered to safeguard sensitive gate dielectrics, thin tunnel…
plasma etch, plasmaetch, semiconductor etch, what is etch, atomic layer etch, dry etching, reactive ion etching, ale, wafer etching, lam research, sub nanometer chisel
Etch: The Sub-Nanometer Chisel — Physics, Plasma Chemistry & Equipment Moats Photolithography projects the pattern of light and shadow, but it creates no physical transistors.…
etch backside helium cooling budget, etch wafer cooling budget, etch chuck cooling budget
Etch Backside Cooling Budget An etch backside cooling budget accounts for how effectively backside gas removes plasma heat from the wafer across its area, and bounds…
ccp chamber iadf, ccp ion angular distribution function, capacitively coupled plasma ion angular distribution, ccp ion angle spread, ccp iadf dielectric etch, dual frequency ccp iadf, ccp wafer ion angle
The ion angular distribution function (IADF) in a capacitively coupled plasma (CCP) etch chamber is a broad polar velocity distribution ( at mTorr) defined by a prominent…
ccp chamber iedf, ccp ion energy distribution function, capacitively coupled plasma ion energy distribution, ccp ion energy spectrum, ccp iedf dielectric etch, dual frequency ccp iedf, ccp wafer ion energy
The ion energy distribution function (IEDF) in a capacitively coupled plasma (CCP) etch chamber is a bimodal energy spectrum defined by two prominent voltage peaks ( eV at MHz)…
plasma etch chamber, dry etch chamber, semiconductor etch chamber, etch reactor, etch chamber components, etch chamber design, etch chamber hardware, etch chamber maintenance, etch chamber contamination, etch chamber pressure, etch chamber vacuum
An etch chamber is best understood not as the fixed vessel a recipe runs inside but as a consumable that the process is steadily rebuilding: every plasma-facing surface is being…
plasma chamber conditioning, chamber wall conditioning, first wafer effect etch, etch chamber seasoning recipe, chamber seasoning dummy wafers, etch chamber wet clean, seasoning ozone etch, chamber conditioning plasma
Etch chamber seasoning governs whether the first production wafer after a clean or idle period meets spec or gets scrapped—a 40,000 consequence per wafer at advanced nodes.…
Etch Chamber Seasoning and First-Wafer Effects is the practice of conditioning plasma etch chamber surfaces through controlled pre-production processing to establish stable…
plasma etch chemistry, reactive ion etching gases, fluorocarbon etch, chlorine bromine etch
Etch Chemistry is the engineered selection and control of reactive gases, plasma conditions, and byproduct pathways used to remove target materials from a wafer with precise rate…
wafer etch depth budget, etch depth range budget, across wafer depth budget
Etch Depth Uniformity Budget An etch depth uniformity budget checks both spatial depth variation and distance from the required depth limits. It defines the sampling plan and…
drie etch chamber, deep reactive ion etching chamber, deep silicon etch chamber, bosch process chamber, cryogenic drie chamber, high aspect ratio silicon etch reactor, tsv drie chamber, mems drie chamber, drie reactor hardware
A DRIE chamber etches silicon structures tens to hundreds of micrometers deep by alternating two plasma chemistries inside the same ICP reactor: an SF etch step that removes 1–3…
etch wafer edge exclusion budget, etch edge coverage budget, etch edge qualification boundary
Etch Edge Exclusion Budget An etch edge exclusion budget defines the wafer region covered by a process or measurement claim and the evidence needed to use the region near its…
etch first-wafer effect budget, etch lot start wafer budget, etch opening wafer conditioning budget
Etch First Wafer Effect Budget An etch first wafer effect budget accounts for the difference in etch behaviour between the opening wafers of a lot and the steady state reached…
icp chamber iadf, etch ion angular distribution function, ion angular distribution function etch, ion angle distribution icp, iadf plasma etch, icp ion angle spread, wafer ion angular distribution
The ion angular distribution function in an ICP etch chamber is set by one ratio — ion thermal energy divided by sheath voltage — and at production conditions (5 mTorr Ar, 200 V…
icp chamber iedf, etch ion energy distribution function, ion energy distribution function etch, ion energy distribution icp, iedf plasma etch, icp ion energy spectrum, wafer ion energy distribution
The ion energy distribution function in an ICP etch chamber is controlled by one independent knob — the bias electrode — that sets the peak ion energy without changing the ion…
etch measurement acceptance margin, etch uncertainty decision rule, etch dimensional guard band
Etch Metrology Guard Band An etch metrology guard band separates a product tolerance limit from a measurement acceptance limit under a stated decision rule. It makes room for…
etch wafer site sampling, etch measurement sampling hierarchy, etch sample coverage plan
Etch Metrology Sampling Plan An etch metrology sampling plan specifies which wafers, locations, features and repeated measurements will support a defined process decision. It…
plasma etch, RIE, reactive ion etching, etch simulation, DRIE
Semiconductor Manufacturing Process: Etch Modeling 1. Introduction Etch modeling is one of the most complex and critical areas in semiconductor fabrication simulation. As device…
plasma etch reactive ion, anisotropic isotropic etch, etch selectivity chemistry, atomic layer etching
Semiconductor Etch Processes are the subtractive patterning techniques that selectively remove material from the wafer according to photoresist or hard mask patterns — ranging…
sidewall angle, profile uniformity, bowed profile, tapered profile, undercut profile, aspect ratio dependent etching, RIE lag
Etch Profile Etch profile is the cross-sectional shape of an etched feature. It includes depth, width along the opening, sidewall shape and bottom condition. Two features can…
etch sidewall redeposition budget, etch fence residue budget, etch transferred material budget
Etch Redeposition Budget An etch redeposition budget defines the transferred material that an integration can tolerate and the evidence needed to assess its location, geometry…
rie etch chamber, reactive ion etching chamber, reactive ion etch reactor, parallel plate rie chamber, semiconductor rie chamber, rf plasma rie, rie chamber design, rie chamber hardware, rie process chamber
A reactive-ion-etch chamber is a single-frequency parallel-plate reactor where one 13.56 MHz generator simultaneously sustains the discharge and accelerates ions toward the wafer…
etch chemistry, plasma selectivity, selectivity ratio, oxide nitride selectivity, mask selectivity, fluorocarbon polymer, overetch budget, ARDE, aspect ratio dependent etching, fluorocarbon etch, atomic layer etch, cryogenic etch selectivity
Etch selectivity is quoted as a ratio of two removal rates, which makes it sound like a ratio of two chemistries. In a fluorocarbon plasma it is neither. A steady-state…