← Back to Chip Foundry Services

Glossary

199 technical terms and definitions

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Showing page 4 of 4 (199 entries)

moisture barrier packaging

packaging

Moisture barrier packaging is the packaging system designed to limit moisture ingress into moisture-sensitive semiconductor components during storage and transit - it is…

moisture sensitivity level

msl, packaging

Moisture sensitivity level is the classification that defines how long a package can be exposed to ambient conditions before reflow without moisture damage - it is a fundamental…

mold cavity

packaging

Mold cavity is the shaped chamber in molding tooling where compound forms around the package structure during encapsulation - its geometry and surface condition strongly influence…

mold chase

packaging

Mold chase is the upper and lower mold tooling assembly that houses cavities, runners, and gates in transfer or compression molding - it provides structural accuracy and thermal…

mold close time

packaging

Mold close time is the time interval required for mold halves to close, align, and reach clamped readiness before transfer - it influences cycle efficiency and flash control…

mold design

packaging

Mold design is the engineering of tooling geometry and flow paths used to encapsulate semiconductor packages during molding - it determines fill behavior, defect rates…

mold flash

packaging

Mold flash is the unwanted thin excess molding compound that escapes at mold parting lines or gaps during encapsulation - it is a common defect linked to tooling condition…

mold temperature

packaging

Mold temperature is the controlled tooling temperature that sets compound viscosity, flow behavior, and cure kinetics during encapsulation - it is one of the highest-impact…

molded underfill

packaging

Molded underfill is the packaging process where molding compound is engineered to simultaneously encapsulate the package and fill under-die interconnect gaps - it consolidates…

molding compound

packaging

Molding compound is the engineered encapsulation material used to protect semiconductor packages from mechanical and environmental stress - its composition strongly influences…

molding cycle time

packaging, units per hour, UPH, cure time quality floor, mold open time, non-value-added delay, cycle time decomposition, yield guardrails, throughput optimization

Molding cycle time is the total elapsed time for one complete molding operation — mold close, transfer and cure, mold open, part unload, and reload — and it's the single metric…

molding process parameters

packaging

Molding process parameters is the set of controllable conditions such as temperature, pressure, timing, and transfer profile that govern encapsulation quality - they define…

molecular beam epitaxy

MBE, atomic-layer growth, ultra-high vacuum, compound semiconductor layers, precise epitaxy

Molecular beam epitaxy is a method of growing crystalline layers on a substrate one atomic layer at a time by directing beams of atoms or molecules at a heated crystal surface…

monitor wafer

production

A monitor wafer is a dedicated wafer processed through specific tools to check equipment performance, cleanliness, particle levels, and process quality. Purpose: Verify that…

monitor wafers

particle monitor, film monitor, electrical monitor, SPC chart feed, tool health tracking, short loop test structure, monitor to product correlation, process drift detection, non product wafer

Monitor wafers are non-product wafers deliberately run alongside actual production wafers specifically to track ongoing tool and process health — dedicated to measurements like…

monolithic 3d integration process

monolithic 3d transistor stack, vertical cmos integration, inter tier via process, 3d logic fabrication

Monolithic 3D Integration Process is the transistor stacking methodology that fabricates multiple active device tiers on one wafer with dense vertical connections. What It Covers…

monte carlo method

mc simulation, statistical simulation, variance reduction, importance sampling, semiconductor monte carlo

Monte Carlo simulation is the computational method that uses random sampling to solve deterministic and stochastic problems — generating thousands or millions of random trials…

monte carlo simulation for yield

production, random sampling, virtual wafer, defect placement simulation, process parameter variation, yield distribution, tail risk, design process interaction, stochastic yield model

Monte Carlo simulation for yield uses repeated random sampling to model the full statistical distribution of semiconductor yield, simulating thousands of virtual wafers each…

mosfet scaling 1970s push toward one micron node metrology

mosfet scaling 1970s step 19 push toward one micron node metrology, push toward one micron node metrology

MOSFET Scaling (1970s): Step 19 — Pushing Toward the 1-Micron Node, Metrology Limits Measurement control becomes as hard a problem as process control. As the integrated flow…

motherboard

mainboard, system board, ATX, chipset, CPU socket, UEFI, PCIe slot

A motherboard is the main printed circuit board of a computer, the platform that physically holds the processor, memory modules and expansion cards and supplies the electrical…

mram fabrication

magnetic tunnel junction, mtj, stt mram, sot mram, embedded mram

Emerging memory is the umbrella term for a class of non-volatile memories — chiefly MRAM, ReRAM, and PCM — that store a bit not as trapped electric charge, the way DRAM and NAND…

mueller matrix ellipsometry

mueller matrix spectroscopic ellipsometry, mueller ellipsometry, full mueller matrix polarimetry, depolarization ellipsometry, mueller matrix optical metrology, mueller matrix ellipsometer

Mueller matrix ellipsometry measures how a sample transforms a set of incident polarization states into output Stokes vectors over wavelength, angle, azimuth, or position. Its 4×4…

mueller matrix scatterometry

4x4 polarization matrix, diattenuation retardance depolarization, off diagonal asymmetry detection, cross polarized elements, advanced overlay metrology, structural asymmetry detection

Mueller matrix scatterometry is an advanced form of optical scatterometry that measures a sample's complete four-by-four Mueller matrix — all sixteen elements capturing…

multi-beam e-beam

lithography

Multi-beam e-beam lithography uses multiple parallel electron beams writing simultaneously to overcome the fundamental throughput limitation of conventional single-beam…

multi-beam mask writer

lithography, beamlet array, independent blanking, raster scan writing, IMS Nanofabrication, curvilinear mask, inverse lithography, EUV mask write time, KLA MBMW

A multi-beam mask writer patterns a mask using a massively parallel array of more than 250,000 individually-controllable electron beamlets firing simultaneously, finally breaking…

multi bridge channel fet mbcfet

multi bridge channel structure, mbcfet vs nanosheet, mbcfet fabrication process, mbcfet electrostatics

Multi-Bridge Channel FET (MBCFET): Architecture, Physics & Process Integration The Multi-Bridge Channel Field-Effect Transistor (MBCFET) is Samsung Foundry's proprietary…

multi-core-processor

multi core processor, multicore processor, chip-multiprocessor, chip multiprocessor

A multi-core processor integrates more than one processor core in a computing component. Each core provides an execution engine capable of running an instruction stream. Caches…

multi corner multi mode timing

mcmm signoff analysis, pvt corner timing, on chip variation ocv, statistical timing analysis

Static Timing Analysis and timing closure constitute the deterministic, vector-independent verification methodology engineered to exhaustively prove that every synchronous path…

multi die chiplet design

chiplet integration, die to die interface, ucle, heterogeneous integration chip

Multi-Die Chiplet Design is the architectural approach of decomposing a monolithic chip into multiple smaller dies (chiplets) that are co-packaged and interconnected — enabling…

multi-die chiplet design

chiplet interconnect architecture, ucle chiplet standard, chiplet disaggregation, heterogeneous chiplet integration

Multi-Die Chiplet Design Methodology is the chip architecture approach that disaggregates a monolithic SoC into multiple smaller silicon dies (chiplets) connected through…

multi die chiplet integration

chiplet interconnect standard, ucIe chiplet, die to die interface, heterogeneous chiplet

Multi-Die Chiplet Integration is the advanced packaging architecture that decomposes a monolithic SoC into multiple smaller silicon dies (chiplets) interconnected through…

multi die chiplet integration

chiplet interconnect technology, chiplet packaging architecture, chiplet die to die interface, chiplet heterogeneous integration

Advanced packaging is the set of technologies that connect, protect and cool silicon after it leaves the fab. It has moved from a cost-driven back-end afterthought to a primary…

multi die design

chiplet design methodology, multi die eda, die to die interface, heterogeneous integration design

Multi-Die and Chiplet Design Methodology is the EDA and architectural approach to designing systems composed of multiple smaller silicon dies (chiplets) connected through advanced…

multi die reticle stitching

reticle limited design, stitch boundary overlay, oversized die lithography field

Multi-Die Reticle Stitching A lithography scanner's exposure field has a hard maximum size — roughly 26mm by 33mm for standard DUV and EUV scanners — and a reticle can only…

multi-die system design

chiplet integration methodology, die-to-die interconnect, heterogeneous integration methodology, multi-die partitioning strategy

Advanced packaging is the set of technologies that connect, protect and cool silicon after it leaves the fab. It has moved from a cost-driven back-end afterthought to a primary…

multi-layer transfer

advanced packaging

Multi-Layer Transfer is the sequential process of transferring and stacking multiple thin crystalline device layers on top of each other — building true monolithic 3D integrated…

multimodal microscopy

multi-modal microscopy, correlative microscopy, microscopy data fusion, semiconductor correlative microscopy, hypermodal microscopy

No single microscope sees a semiconductor defect in all the ways that matter. Secondary electrons reveal surface form, diffraction reveals crystal orientation, EDS or EELS reveals…

multi patterning

sadp, saqp, double patterning, self aligned multiple patterning, pitch multiplication, lithography

Self-aligned multiple patterning is the pitch multiplication technique where sub-lithographic circuit features are defined not by direct optical resolution but through…

multi-patterning decomposition

lithography

Multi-Patterning Decomposition is a computational lithography process that mathematically assigns features of a single design layer to multiple sequential lithographic exposures…

multi patterning layout

sadp saqp, self aligned patterning, double patterning design, pitch walking, lithography

Self-aligned multiple patterning is the pitch multiplication technique where sub-lithographic circuit features are defined not by direct optical resolution but through…

multi-patterning lithography

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…

multi-patterning lithography sadp

self-aligned quadruple patterning, sadp saqp process flow, pitch splitting techniques, litho-etch-litho-etch process, sadp, saqp

Self-aligned multiple patterning is the pitch multiplication technique where sub-lithographic circuit features are defined not by direct optical resolution but through…

multi-project wafer

mpw, shuttle, shared wafer, multi project, mpw program

Yes, Multi-Project Wafer (MPW) is a core service enabling cost-effective prototyping by sharing wafer and mask costs — with MPW programs available for 180nm ( 10K per project)…

multi-project wafer (mpw)

multi-project wafer, mpw, business

Multi-project wafer (MPW) is a cost-sharing service where multiple chip designs from different customers are placed on the same reticle, dramatically reducing prototyping…

multi project wafer service

MPW, shared reticle field, mask cost sharing, die allocation, standard PDK, advanced node access, startup prototyping, rapid tape out iteration, shared wafer dicing

Multi-project wafer service, universally abbreviated MPW, is a cost-sharing fabrication model where multiple chip designs from different, entirely unrelated customers get tiled…

multilevel interconnect

metal layers, wiring layers, vias, interconnect delay, chip wiring

Multilevel interconnect is the use of multiple stacked layers of metal wiring, separated by insulating layers and joined by vertical connections, to wire together the enormous…

multiple reflow survival

packaging

Multiple reflow survival is the ability of a semiconductor package to withstand repeated solder reflow exposures without structural or electrical degradation - it is important…

micralign projection lithography cross section

contact printing mask damage, catadioptric optics working gap, projection lithography reference diagram

The Working Gap That Ended Mask-Wafer Contact Perkin-Elmer's Micralign (1973) — what the gap looks like, and what it bought in yield and mask life One contact event compounds…

metrology

inspection, optical inspection, e-beam, aoi, process control, semiconductor metrology, kla, defect detection

Metrology & Inspection: Seeing the Unseen — Nanoscale Defect Physics, Machine Vision & Yield Economics In semiconductor manufacturing, you cannot improve what you cannot measure.…