Resist Spin Coating
wafer coating, spin coat thickness control
Resist spin coating deposits a uniform photoresist film across a wafer by dispensing a viscous polymer solution at the center and using centrifugal force to spread and thin it…
3,538 technical terms and definitions
wafer coating, spin coat thickness control
Resist spin coating deposits a uniform photoresist film across a wafer by dispensing a viscous polymer solution at the center and using centrifugal force to spread and thin it…
lithography
Resolution is the smallest feature — a line, a space, or a contact hole — that a lithography system can reliably print to spec across an entire wafer, not just under ideal…
metrology
Resolution in metrology is the smallest change in a measured quantity that a measurement instrument can detect — the fundamental capability limit that determines whether…
rims, metrology
Resonant Ionization Mass Spectrometry (RIMS) is an ultra-trace analytical technique that combines element-selective laser resonant ionization with mass spectrometry to achieve…
resonance raman spectroscopy, resonant raman spectroscopy, raman excitation profile, electronic resonance raman, semiconductor resonance raman, resonance raman metrology
Resonance Raman spectroscopy is most powerful when the laser is treated as a tunable part of the experiment rather than a brighter way to collect the same spectrum. As photon…
RSOXS, absorption edge tuning, block copolymer DSA, material composition contrast, multi energy measurement, compositional gradient, directed self assembly metrology
Resonant soft X-ray scatterometry tunes the X-ray beam's energy to specific elemental absorption edges — carbon, nitrogen, oxygen, and silicon K-edges typically sitting somewhere…
resputter, re-sputtering, bias sputtering, sputter etch-back, overhang removal, punch-through, pvd resputtering, substrate bias sputtering, bottom redistribution, sidewall redeposition, copper seed resputter, barrier resputter
Resputtering deliberately removes part of a deposited film so ion momentum can route material from overfed horizontal surfaces toward underfed feature walls. A sputter target is…
lithography
The reticle limit is the maximum area a lithography scanner can pattern in a single exposure — roughly 26 mm x 33 mm, about 858 mm². A reticle (the photomask) holds the pattern…
lithography, SMIF pod, EUV dual pod, robotic mask handler, electrostatic discharge protection, Class 1 cleanliness, automated handling, mask contamination, mask breakage risk
Reticle handling is the set of specialized systems and procedures — sealed transport pods, robotic handlers, electrostatic discharge protection — that move a photomask between…
lithography, haze formation, pellicle transmission loss, cleaning cycle CD shift, EUV carbon contamination, ruthenium oxidation, mask retirement decision, degradation trend monitoring, critical dimension shift
Reticle lifetime is the total usable duration a photomask delivers before cumulative degradation drops its patterning quality below production specification — governed by…
lithography, mask inventory tracking, usage logging, maintenance scheduling, contamination monitoring, haze, pellicle replacement, mask lifetime cost, proactive mask maintenance
Reticle management is the comprehensive system that tracks, stores, maintains, and controls every photomask throughout its entire working life in a fab — inventory location, usage…
lithography
A reticle or photomask is the precision pattern master used by a lithography scanner to print one layer of an integrated circuit onto photoresist. It carries geometric information…
reticle registration metrology drift prediction, reticle registration metrology, registration metrology drift, metrology drift prediction, reticle registration
Reticle Registration Metrology Drift Prediction with Machine Learning Introduction & Motivation Reticle Registration Metrology Drift Prediction with Machine Learning addresses…
packaging
Reverse bonding is the wire-bond sequence where first bond is formed on lead or substrate side and second bond is made on die pad to optimize loop geometry and reliability - it is…
lithography
Reverse Tone Imaging is a lithographic technique that uses the complementary tone of the conventional resist and mask combination — patterning with negative-tone development where…
metrology
Review SEM is high-resolution scanning electron microscopy used to inspect detected defects — providing detailed visual analysis of particles, pattern defects, and material…
mmwave beamforming ic, phased array chip mmwave, 28ghz 39ghz 5g front end, si ge mmwave
Radio frequency (RF), millimeter-wave (mmWave), and sub-terahertz semiconductor transistor architectures constitute the core analog frontend and high-frequency mixed-signal…
mmwave, rf chip, radio frequency ic
Radio frequency (RF), millimeter-wave (mmWave), and sub-terahertz semiconductor transistor architectures constitute the core analog frontend and high-frequency mixed-signal…
low noise amplifier, lna, rf low noise amplifier, receiver front end, rf semiconductor design, fukui noise
Radio frequency (RF), millimeter-wave (mmWave), and sub-terahertz semiconductor transistor architectures constitute the core analog frontend and high-frequency mixed-signal…
rf wafer probe de-embedding accuracy prediction, rf wafer probe, wafer probe de-embedding, probe de-embedding accuracy, de-embedding accuracy prediction, rf wafer
RF Wafer Probe De-Embedding Accuracy Prediction with Machine Learning Introduction & Motivation RF Wafer Probe De-Embedding Accuracy Prediction with Machine Learning addresses…
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…
etch, aspect ratio dependent etching, arde, rie lag etch, micro trenching rie lag
RIE lag, specifically designated as aspect-ratio-dependent etching (ARDE), is a fundamental micro-transport scaling phenomenon in plasma etching where narrower, high-aspect-ratio…
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…
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…