3,801 technical terms and definitions
mask lifetime, projection lithography 1973
Name Competing Non-Contact Approaches Considered Projection was not the only non-contact idea explored to solve contact printing's defect problem; proximity printing, which held…
lithography yield, projection lithography 1973
Explain Why Reduction Steppers Eventually Succeeded Micralign Micralign's 1:1 scanning projection design solved the contact-defect problem, but as device features kept shrinking…
projection lithography, projection lithography 1973
Name Projection Alignment as the Ancestor of Modern Steppers Every modern projection stepper used in semiconductor production today still relies on the same foundational idea…
perkin elmer micralign, projection lithography 1973
Close by Naming the Modern Exposure Lineage Without Retelling This series has covered the 1973 shift from contact printing to projection alignment and exposure, anchored…
proximity lithography, mask gap, contact printing, diffraction limit, shadow printing
Proximity printing is a photolithography method in which the mask is held a small distance above the wafer during exposure rather than pressed directly against it, a compromise…
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…
off axis illumination lithography, source mask optimization, dipole quadrupole illumination
Pupil Fill and Illumination Source Shape A lithography scanner's illumination doesn't have to fill its pupil uniformly, and for anything near the resolution limit, it shouldn't.…
semiconductor purity, nine nines, 9N purity, electronic-grade polysilicon, Siemens process, ultrapure water, cleanroom contamination
Purity, in semiconductor manufacturing, is the fraction of a material that is the intended element, and it is quoted in nines: 99.9999999 percent, nine nines, usually written 9N…
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…
Integrated Quantum Photonic Chips, Pair Sources, and HOM Interference 1. Photons as quantum information carriers Integrated quantum photonics prepares, transforms, and measures…
qubit fabrication, silicon qubit, superconducting qubit, cryo-CMOS, transmon
Superconducting qubits and transmon architectures constitute the premier solid-state quantum computing platform fabricated using semiconductor cleanroom techniques on…
silicon spin qubit, superconducting qubit fabrication, qubit yield semiconductor, cryogenic semiconductor, transmon
Superconducting qubits and transmon architectures constitute the premier solid-state quantum computing platform fabricated using semiconductor cleanroom techniques on…
spin qubit silicon, singlet triplet qubit, exchange interaction qubit, silicon qubit error rate
Silicon Quantum Dot Spin Qubits is the solid-state quantum computing platform using electron spins confined in silicon quantum dots — manipulated via electrostatic gates…
Active Learning for Quantum Device Fabrication Active Learning for Quantum Device Fabrication Introduction Active Learning for Quantum Device Fabrication is an engineering…
Anomaly Detection for Quantum Device Fabrication Anomaly Detection for Quantum Device Fabrication Introduction Anomaly Detection for Quantum Device Fabrication is an engineering…
Bayesian Parameter Estimation for Quantum Device Fabrication Bayesian Parameter Estimation for Quantum Device Fabrication Introduction Bayesian Parameter Estimation for Quantum…
Causal Process Modeling for Quantum Device Fabrication Causal Process Modeling for Quantum Device Fabrication Introduction Causal Process Modeling for Quantum Device Fabrication…
Chamber Matching for Quantum Device Fabrication Chamber Matching for Quantum Device Fabrication Introduction Chamber Matching for Quantum Device Fabrication is an engineering…
Closed-Loop Yield Learning for Quantum Device Fabrication Closed-Loop Yield Learning for Quantum Device Fabrication Introduction Closed-Loop Yield Learning for Quantum Device…
Contamination Monitoring for Quantum Device Fabrication Contamination Monitoring for Quantum Device Fabrication Introduction Contamination Monitoring for Quantum Device…
Cost and Cycle-Time Optimization for Quantum Device Fabrication Cost and Cycle-Time Optimization for Quantum Device Fabrication Introduction Cost and Cycle-Time Optimization…
Critical Dimension Prediction for Quantum Device Fabrication Critical Dimension Prediction for Quantum Device Fabrication Introduction Critical Dimension Prediction for Quantum…
Defect Excursion Detection for Quantum Device Fabrication Defect Excursion Detection for Quantum Device Fabrication Introduction Defect Excursion Detection for Quantum Device…
Design of Experiments for Quantum Device Fabrication Design of Experiments for Quantum Device Fabrication Introduction Design of Experiments for Quantum Device Fabrication is…
Digital Twin Calibration for Quantum Device Fabrication Digital Twin Calibration for Quantum Device Fabrication Introduction Digital Twin Calibration for Quantum Device…
Edge AI Deployment for Quantum Device Fabrication Edge AI Deployment for Quantum Device Fabrication Introduction Edge AI Deployment for Quantum Device Fabrication is…
Endpoint Detection for Quantum Device Fabrication Endpoint Detection for Quantum Device Fabrication Introduction Endpoint Detection for Quantum Device Fabrication is…
Equipment Health Monitoring for Quantum Device Fabrication Equipment Health Monitoring for Quantum Device Fabrication Introduction Equipment Health Monitoring for Quantum Device…
Fault Detection and Classification for Quantum Device Fabrication Fault Detection and Classification for Quantum Device Fabrication Introduction Fault Detection and Classification…
Federated Learning for Quantum Device Fabrication Federated Learning for Quantum Device Fabrication Introduction Federated Learning for Quantum Device Fabrication is…
Film Thickness Control for Quantum Device Fabrication Film Thickness Control for Quantum Device Fabrication Introduction Film Thickness Control for Quantum Device Fabrication is…
Multi-Objective Optimization for Quantum Device Fabrication Multi-Objective Optimization for Quantum Device Fabrication Introduction Multi-Objective Optimization for Quantum…
Overlay Error Correction for Quantum Device Fabrication Overlay Error Correction for Quantum Device Fabrication Introduction Overlay Error Correction for Quantum Device…
Particle Source Attribution for Quantum Device Fabrication Particle Source Attribution for Quantum Device Fabrication Introduction Particle Source Attribution for Quantum Device…
Physics-Informed Machine Learning for Quantum Device Fabrication Physics-Informed Machine Learning for Quantum Device Fabrication Introduction Physics-Informed Machine Learning…