rga (residual gas analyzer)
rga, residual gas analyzer, metrology
A Residual Gas Analyzer (RGA) is a mass spectrometer attached to a process chamber that identifies and quantifies the gas species present in the chamber environment. It is…
3,807 technical terms and definitions
rga, residual gas analyzer, metrology
A Residual Gas Analyzer (RGA) is a mass spectrometer attached to a process chamber that identifies and quantifies the gas species present in the chamber environment. It is…
reactive ion etch, reactive ion etching, dry etch, plasma etch, etch modeling, plasma physics
Mathematical Modeling of Plasma Etching in Semiconductor Manufacturing Introduction Plasma etching is a critical process in semiconductor manufacturing where reactive gases are…
end effector, edge grip vacuum Bernoulli electrostatic, SCARA robot, vacuum transfer chamber, EFEM atmospheric robot, placement repeatability, particle generation, collision avoidance, clean handling
Wafer handling robots are precision automated arms responsible for transferring wafers between pods, aligners, load locks, and process chambers throughout the fab — a task that…
robotic arm wafer placement repeatability prediction, robotic arm wafer, arm wafer placement, wafer placement repeatability, placement repeatability prediction, robotic arm
Robotic Arm Wafer Placement Repeatability Prediction with Machine Learning Introduction & Motivation Robotic Arm Wafer Placement Repeatability Prediction with Machine Learning…
rtp wafer bow-induced temperature error prediction, rtp wafer bow-induced, wafer bow-induced temperature, bow-induced temperature error, rtp wafer, error prediction
RTP Wafer Bow-Induced Temperature Error Prediction with Machine Learning Introduction & Motivation RTP Wafer Bow-Induced Temperature Error Prediction with Machine Learning…
packaging
Runner system is the network of flow channels that distributes molding compound from the pot to each mold cavity - it governs fill balance, pressure distribution, and material…
packaging
Runner waste is the portion of molding compound solidified in runner and gate channels that is discarded after molding - it is a significant material-efficiency consideration…
metal fill interconnect, ruthenium via fill, ru ald deposition, ruthenium resistivity, ruthenium adhesion
Ruthenium Metal Fill for Advanced Interconnects is the use of ruthenium (deposited via ALD) as a fill metal for narrow vias and interconnects — offering significantly lower…
rutherford backscattering spectrometry, rbs, metrology
Rutherford Backscattering Spectrometry (RBS) is a quantitative, non-destructive ion beam analysis technique that determines elemental composition, depth distribution, and film…
sac, packaging
SAC alloy is the lead-free solder alloy family based on tin silver copper compositions used in modern electronic assembly - it is the most common replacement for legacy tin-lead…
sacvd (sub-atmospheric cvd), sub-atmospheric cvd, sub atmospheric cvd, sub atmospheric chemical vapor deposition, ozone teos sacvd, ozone-teos cvd, teos ozone oxide, sub-atmospheric deposition, cvd
Sub-atmospheric chemical vapor deposition (SACVD) is a thermal CVD architecture operated below atmospheric pressure but well above the low-pressure range typical of LPCVD.…
sadp, saqp, self aligned double patterning, self aligned quadruple patterning, pitch division, spacer patterning, lithography
Self-aligned multiple patterning is the pitch multiplication technique where sub-lithographic circuit features are defined not by direct optical resolution but through…
metrology
Sample preparation in semiconductor metrology is the systematic process of preparing specimens for microscopic examination and analytical measurement — encompassing all techniques…
grid random adaptive sampling, yield threshold sampling, safety critical full test, margin to specification, statistical quality control, test cost reduction, mature product testing strategy
Sampled wafer test is a production testing strategy that tests only a statistically chosen subset of die on a wafer rather than every single die, trading some risk of an untested…
can i get samples, do you provide samples, engineering samples, free samples, sample chips
Yes, we provide engineering samples for qualified customers and evaluation purposes — delivering packaged and tested units to support proof-of-concept, system integration…
Samsung semiconductor foundry, Samsung GAA, Samsung 3nm, Samsung 2nm, I-Cube X-Cube
Samsung Foundry. is Samsung Electronics’ contract logic-manufacturing business and a leading alternative supplier across advanced and mature nodes. It operates within…
Korean memory leader, aggressive investment, DRAM leadership, NAND flash leadership, memory manufacturing
Samsung's semiconductor business is the chip-making arm of the South Korean conglomerate Samsung, which rose from a late entrant to become one of the dominant forces in the global…
space grade ic, leo cubesat semiconductor, satellite link budget chip, space thermal cycling
Semiconductors for Space Applications are radiation-hardened (RHBD) or COTS-screened ICs surviving orbital total ionizing dose, single-event upsets, and thermal cycling extremes…
lithography
A Scanner is a lithography tool that exposes wafers by synchronously scanning the reticle and wafer stage in opposite directions through a narrow illumination slit — projecting…
lithography
Scanner Matching ensures multiple lithography scanners produce consistent overlay and CD performance — characterizing and correcting individual scanner signatures to minimize…
scanner wafer exchange time prediction machine learning, scanner wafer, exchange time prediction, scanner wafer exchange time prediction, scanner wafer exchange, wafer exchange
Scanner Wafer Exchange Time Prediction with Machine Learning Introduction & Motivation Scanner Wafer Exchange Time Prediction with Machine Learning addresses a central problem…
scanning electron microscope, sem, metrology
Scanning Electron Microscope (SEM) is the most widely used high-resolution imaging tool in semiconductor manufacturing — scanning a focused electron beam across a surface…
critical dimension CD measurement, secondary electron imaging, electron beam metrology, SEM defect detection, beam spot size focus, backscattered electron analysis, high resolution nanostructure imaging
Scanning electron microscopy forms an image by rastering a focused electron beam across a sample surface and detecting the electrons that the beam-sample interaction produces…
metrology
Scanning Kelvin probe microscopy (SKPM), also called Kelvin probe force microscopy (KPFM), uses an oscillating atomic force microscope (AFM) cantilever tip to measure contact…
smm, metrology
Spectroscopic ellipsometry and inline optical wafer metrology constitute the non-destructive physical measurement and defect detection disciplines that govern yield control across…
scanning near-field optical microscopy, snom, metrology
Scanning Near-Field Optical Microscopy (SNOM/NSOM) is an optical imaging technique that overcomes the diffraction limit of conventional far-field microscopy by scanning…
scanning probe microscopy, spm, metrology
Scanning Probe Microscopy (SPM) is a family of surface characterization techniques that measure surface properties by scanning a sharp physical probe across the sample — achieving…
ssrm, metrology, dopant profiling, diamond AFM tip, spreading resistance, staircase calibration, FinFET characterization, 2D doping profile, carrier concentration mapping
Scanning spreading resistance microscopy (SSRM) is a contact-mode atomic force microscopy technique that maps dopant concentration across a two-dimensional cross-section of…
metrology
Scanning Surface Inspection Systems (SSIS) are the automated laser-scanning metrology tools that perform full-wafer defect mapping on bare or patterned wafers — generating…
scanning tunneling microscope, stm, metrology
Scanning Tunneling Microscope (STM) is a surface analysis instrument that achieves true atomic resolution by measuring quantum mechanical tunneling current between an atomically…
lithography
A scattering bar is the most common type of sub-resolution assist feature (SRAF) — a thin line placed on the photomask parallel to and near a main feature to improve its imaging…
optical scatterometry, semiconductor scatterometry, grating scatterometry
Optical critical-dimension scatterometry infers the average geometry of a periodic semiconductor pattern from how that pattern changes reflected or diffracted light. The tool may…
euv scatterometry, euv metrology, actinic scatterometry, lithography metrology
EUV Scatterometry is the optical metrology technique that uses extreme ultraviolet light at 13.5 nm wavelength to measure critical dimensions, overlay, and film properties…
inline cd measurement, optical profile metrology, scatterometry sidewall angle
Optical critical-dimension scatterometry infers the average geometry of a periodic semiconductor pattern from how that pattern changes reflected or diffracted light. The tool may…
ocd scatterometry, optical critical dimension scatterometry, inline ocd metrology
Optical critical-dimension scatterometry infers the average geometry of a periodic semiconductor pattern from how that pattern changes reflected or diffracted light. The tool may…
metrology, diffraction-based overlay, spectroscopic overlay, micro-DBO, 2D grating target, swing curve, overlay throughput, in-die overlay target, optical overlay measurement
Scatterometry overlay measures how precisely two patterned layers line up by analyzing the spectral signature light produces when it reflects or diffracts off a specialized…
Fermi level pinning, metal semiconductor junction, thermionic emission tunneling, contact resistance metal choice, Schottky diode fast switching, sub-5nm contact engineering, titanium TiN contact
A Schottky barrier is the potential energy barrier that forms at the interface between a metal and a semiconductor, and in the simplest ideal picture its height is set by…
schottky contact metal, forward voltage drop schottky, schottky rectifier speed, barrier height metal semiconductor
A Schottky barrier diode swaps the p-n junction's two doped semiconductor regions for a single metal-semiconductor interface, and that one substitution changes almost everything…
time dependent schrodinger equation, stationary schrodinger equation, quantum wave equation, schrodinger equation numerical methods, schrodinger equation semiconductor, device quantum wave solver
The Schrödinger equation governs the coherent evolution of nonrelativistic quantum states and, in its stationary form, defines the energy eigenstates of a specified Hamiltonian.…
production
A scrap wafer is a non-product wafer used for process testing, equipment qualification, or experimental runs where the wafer will not become saleable product. Types: Previously…
metrology
Spectroscopic ellipsometry and inline optical wafer metrology constitute the non-destructive physical measurement and defect detection disciplines that govern yield control across…
production
Seasoning wafer requirements is the defined number and type of conditioning wafers needed to stabilize chamber surfaces before product processing - proper seasoning establishes…
production
Seasoning Wafers are non-product wafers run through process equipment to condition the chamber or tool after maintenance, idle time, or recipe changes — restoring the tool's…
defect decoration etch, etch pit density, EPD, dislocation density, Wright etch, crystal quality wafer inspection
Secco etch is a chemical etch that makes invisible crystal defects visible by deliberately attacking a silicon wafer unevenly — it etches the strained, broken-bond regions around…
sims dopant profile, quantitative sims, sims depth calibration, sims metrology
Secondary ion mass spectrometry (SIMS) builds an elemental or isotopic depth profile by bombarding a sample with primary ions, detecting a small fraction of the sputtered material…
selective area deposition defect prediction, selective area deposition, area deposition defect, deposition defect prediction, selective area, area deposition, deposition defect
Selective Area Deposition Defect Prediction with Machine Learning Introduction & Motivation Selective Area Deposition Defect Prediction with Machine Learning addresses a central…
area selective deposition, asd, selective ald, surface selective growth
Selective Deposition (Area-Selective Deposition, ASD) is the technique of depositing material only on specific surfaces while avoiding growth on adjacent surfaces — eliminating…
area selective ald, surface functionalization selective, bottom up selective deposition, inhibitor selective growth
Area-Selective Deposition (ASD) is the advanced thin-film technique where material is deposited preferentially on one surface type (e.g., metal) while avoiding deposition on…
area selective deposition, self aligned deposition, bottom up fill, selective cvd
Selective Deposition Techniques are the processes that deposit material only on specific surfaces or regions while preventing deposition on others — enabling self-aligned…
Active Learning for Selective Epitaxy Active Learning for Selective Epitaxy Introduction Active Learning for Selective Epitaxy is an engineering workflow for source-drain…