3,533 technical terms and definitions
igbt power module, silicon carbide mosfet, wide bandgap power, power conversion semiconductor
Wide bandgap (WBG) power semiconductors, gallium nitride (GaN) High-Electron-Mobility Transistors (HEMT), and silicon carbide (4H-SiC) power MOSFETs constitute the foundational…
silicon carbide ev, igbt ev traction, wide bandgap power switch, ev inverter efficiency
Wide bandgap (WBG) power semiconductors, gallium nitride (GaN) High-Electron-Mobility Transistors (HEMT), and silicon carbide (4H-SiC) power MOSFETs constitute the foundational…
power module packaging, sic module design, igbt module integration, thermal module reliability
Power Semiconductor Modules is the integrated package platforms that combine power dies, substrates, and cooling paths for high current conversion. What It Covers Core concept…
sic jfet cascode, sic gate oxide reliability, sic body diode, sic power module assembly
Wide bandgap (WBG) power semiconductors, gallium nitride (GaN) High-Electron-Mobility Transistors (HEMT), and silicon carbide (4H-SiC) power MOSFETs constitute the foundational…
psd, metrology
PSD (Power Spectral Density) analysis is a frequency-domain technique for characterizing surface roughness — decomposing the surface height profile into its spectral components…
pmd deposition, undoped silicate glass, harp flowable cvd, hsp pmd gapfill, pmd planarization cmp
Pre-Metal Dielectric (PMD) Gap Fill is the deposition and planarization of a low-defect silicon dioxide layer between tungsten contact plugs — typically using undoped silicate…
metrology
Precision in metrology is the closeness of agreement between repeated measurements of the same quantity under the same conditions — measuring how consistently a semiconductor…
thin film precursor, thin film deposition precursor, semiconductor deposition precursor, precursor selection, precursor properties, precursor decomposition, cvd precursor, ald precursor, deposition chemistry, precursor qualification, cvd
A thin-film precursor is a chemical source molecule that transports one or more film-forming elements to a substrate, where heat, plasma, light, or a coreactant converts it into…
predictive maintenance systems semiconductor manufacturing, predictive maintenance, systems semiconductor manufacturing, mfc ml rf rul, predictive maintenance systems
Predictive Maintenance Systems in Semiconductor Manufacturing Introduction & Motivation Predictive Maintenance (PdM) leverages machine learning and sensor telemetry to forecast…
metrology
Spectroscopic ellipsometry and inline optical wafer metrology constitute the non-destructive physical measurement and defect detection disciplines that govern yield control across…
hardware data prefetcher, cache prefetching algorithms, memory latency hiding, stride prefetcher spatial locality
Hardware Data Prefetching is the hyper-aggressive, predictive architectural hardware mechanism embedded in all modern high-performance microprocessors that actively guesses which…
packaging
Pressure sensor packaging is the specialized packaging design that protects pressure-sensing elements while preserving controlled media access and calibration stability - it…
production, random defects, systematic defects, edge die yield loss, design marginality, wafer mapping, yield trend monitoring, fab health indicator, test economics
Probe yield is the percentage of die on a wafer that pass electrical test at wafer probe — the very first point in manufacturing where a die's actual functional quality gets…
semiconductor process history
A process node designates a semiconductor technology generation, historically tied to minimum feature size but now primarily a marketing designation reflecting transistor density…
stress management cmos, film stress engineering, wafer warpage control, residual stress effects
Process-Induced Stress Management — Process-induced mechanical stress in CMOS fabrication arises from thermal mismatch, intrinsic film stress, and phase transformations during…
residual stress cmos, film stress wafer bow, stress-induced overlay error, stress compensation processing
Process-Induced Stress Management is the discipline of controlling, compensating, and exploiting residual mechanical stresses generated during semiconductor fabrication—including…
metrology
Spectroscopic ellipsometry and inline optical wafer metrology constitute the non-destructive physical measurement and defect detection disciplines that govern yield control across…
semiconductor process control, spc, statistical process control, sensor data, fault detection, run-to-run control, process optimization
Semiconductor Manufacturing Process Parameters Monitoring: Mathematical Modeling 1. The Fundamental Challenge Modern semiconductor fabrication involves 500–1000+ sequential…
process node roadmap, semiconductor node, nanometer node, tsmc node, intel node, 3nm 2nm 1nm
Semiconductor Process Nodes are the generational labels used to describe successive advances in chip manufacturing technology, originally representing a physical feature size…
lot to lot variation, wafer to wafer variation, within wafer variation, process sigma
Process Variation is the inevitable deviation of physical dimensions, film thicknesses, doping concentrations, and other parameters from their target values during manufacturing…
lot to lot variation, wafer to wafer variation, within wafer variation, process sigma, pvt variation
Process variation is the unavoidable statistical fluctuation in transistor and interconnect parameters that occurs during semiconductor manufacturing — no two transistors on…
process variation modeling, corner analysis, statistical variation, on chip variation ocv, systematic random variation
Process variation is the unavoidable statistical fluctuation in transistor and interconnect parameters that occurs during semiconductor manufacturing — no two transistors on…
corner analysis pvt, statistical process variation, within die variation, lot to lot wafer wafer variation
Semiconductor Process Variation is the unavoidable manufacturing phenomenon where device and interconnect parameters (threshold voltage, channel length, oxide thickness, metal…
wafer level variation, lot to lot variation, within die variation, systematic random variation
Process Variation in Semiconductor Manufacturing is the inherent variability in every fabrication step — lithography CD, film thickness, doping concentration, etch depth, CMP…
systematic random variation, opc model calibration, advanced process control apc, virtual metrology prediction
Spectroscopic ellipsometry and inline optical wafer metrology constitute the non-destructive physical measurement and defect detection disciplines that govern yield control across…
exposure-defocus, bossung, exposure latitude, cpk, lithography window, semiconductor process window, process capability
A process window is the region of process-parameter space — dose and focus, in lithography's most common case — where a manufacturing step still produces results within…
lithography, depth of focus, exposure latitude, overlapping process window, contour plot, manufacturability margin, CD specification limit, process centering, FEM data
Process window analysis determines the actual range of focus and exposure dose within which patterned features meet their critical-dimension specification — taking raw…
focus exposure matrix qualification, lithography pwq procedure, process window margin verification, pwq defect density mapping
Process window qualification (PWQ) is the experimental and analytical methodology used in advanced semiconductor manufacturing to empirically map, qualify, and monitor…
near data processing chip, pim architecture dram, samsung axdimm, pim programming model
High-bandwidth memory (HBM) is DRAM stacked vertically and connected to its host through an interface thousands of bits wide, running beside the processor on an interposer rather…
metrology
Spectroscopic ellipsometry and inline optical wafer metrology constitute the non-destructive physical measurement and defect detection disciplines that govern yield control across…
pt, laboratory, calibration, round robin, iso 17025, quality, metrology
Proficiency testing is a quality assurance method where laboratories analyze standardized reference samples to verify their testing competence — external organizations provide…
stylus profilometry, optical profilometry, step height measurement, surface profilometer, film step height, stylus scan, cmp dishing profilometry, metrology
Profilometry is the quantitative surface metrology technique used to measure physical step heights, film thickness topography, post-CMP dishing and erosion, and 2D/3D surface…
metrology
Ptychography is a computational imaging technique that recovers both the amplitude and phase of a transmitted wave by scanning a coherent probe across overlapping positions…
business & strategy, integrated device manufacturer, IDM, foundry neutrality, competitor trust, customer IP protection, capacity allocation, manufacturing as a service, fabless customer
A pure-play foundry manufactures chips for other companies without designing or selling any competing end products of its own — it makes money purely from manufacturing, never…
physical vapor deposition, what is pvd, sputtering, magnetron sputtering, ipvd, ionized pvd, evaporation
Physical vapor deposition is how a fab lays down most of its metal. A solid source material is physically knocked or boiled into a vapor inside a vacuum chamber, and that vapor…
physical vapor deposition chamber, pvd vacuum system, pvd base pressure, pvd chamber pressure, pvd chamber shields, pvd shield kit, pvd chamber seasoning, pvd chamber clean, pvd chamber particles, pvd chamber contamination, pvd chamber matching
A PVD chamber is a coupled vacuum, plasma, material-source, transport, wafer-handling, and contamination-control system. The film is determined not only by target power…
deposition modeling conformal coverage in physical vapor deposition (pvd) processes, deposition modeling conformal, modeling conformal coverage, conformal coverage physical, physical vapor
Deposition: Modeling conformal coverage in physical vapor deposition (PVD) processes Introduction & Motivation Deposition: Modeling conformal coverage in physical vapor deposition…
pvd simulation, physical vapor deposition modeling, sputter deposition modeling, pvd step coverage modeling, sputter transport model, pvd profile simulation, ionized pvd modeling, pvd deposition modeling, sputter step coverage model
PVD modeling is the calculation of where sputtered or evaporated atoms come to rest, and at the roughly 5 mTorr pressure a physical-vapor-deposition chamber runs, the mean free…
physical vapor deposition, sputtering basics
PVD process (physical vapor deposition) is a family of thin-film fabrication methods where solid source material is physically converted to vapor-phase species in vacuum…
qfn, packaging
Quad flat no-lead is the leadless surface-mount package with exposed perimeter pads on four sides and optional bottom thermal pad - it combines compact size, strong electrical…
qfp, packaging
Quad flat package is the leaded package with gull-wing terminals on all four sides for higher pin count in perimeter-lead architecture - it is a long-standing package choice…
production, post-PM qual, new tool qualification, process change qual, periodic requalification, monitor wafer, particle wafer, dual sign-off, production resume gate
A qualification run processes a specific set of test wafers through a tool, immediately after a preventive maintenance event or a process change, specifically to verify the tool's…
production, tool qualification, process qualification, product qualification, AEC-Q100, regulatory documentation, customer sign-off, qualification efficiency, requalification trigger
Qualification wafers are the physical test wafers processed specifically to generate documented proof that a tool, process, or product actually meets its specifications…
metrology
Quantification Limit (LOQ — Limit of Quantification) is the lowest concentration of an analyte that can be measured with acceptable accuracy and precision — higher than…
dot, semiconductor, technology, nanocrystal, optoelectronics, bandgap
Quantum Dot Semiconductor Technology is nanoscale semiconductor crystals (2-10 nm) exhibiting quantum confinement effects, enabling bandgap tuning via size and applications…
secure, semiconductor, cryptography, post-quantum, key, distribution
Quantum Secure Semiconductor is semiconductor devices and chips implementing quantum-safe cryptographic algorithms and quantum key distribution, protecting against future quantum…
Grand Capstone: Quantum EDA, Quantum PDKs, Layout Synthesis, DRC and LVS, and Multi-Physics Verification 1. The missing abstraction layer Classical integrated circuit design works…
transmon qubit design, josephson junction qubit, qubit coupling resonator, quantum processor layout, dolan bridge
Superconducting qubits and transmon architectures constitute the premier solid-state quantum computing platform fabricated using semiconductor cleanroom techniques on…
Quantum Chip Theory, Transmon Architectures, and Circuit Compilation Overview A superconducting quantum processor is a lumped-element circuit that has been persuaded to behave…
Silicon Quantum-Dot Spin Qubits and Exchange Gates A semiconductor spin qubit stores quantum information in the orientation of a single electron spin confined by electrostatic…