449 technical terms and definitions
wafer tray handling misalignment prediction, wafer tray handling, tray handling misalignment, handling misalignment prediction, wafer tray, tray handling
Wafer Tray Handling Misalignment Prediction with Machine Learning Introduction & Motivation Wafer Tray Handling Misalignment Prediction with Machine Learning addresses a central…
wafer flatness, substrate flatness, wafer bow, wafer shape measurement
Wafer bow and warp describe the unconstrained three-dimensional shape of a semiconductor wafer, while wafer-curvature film-stress measurement uses a change in that shape to infer…
wafer bow, stress management, thermal stress, thin wafer, wafer stiction, wafer stress measurement
Wafer Warpage and Stress Management is the management of film-induced and thermal stress in semiconductor wafers — accounting for intrinsic stress (from deposition) and thermal…
wafer warpage bow measurement drift prediction, wafer warpage bow, warpage bow measurement, bow measurement drift, measurement drift prediction, wafer warpage, warpage bow
Wafer Warpage Bow Measurement Drift Prediction with Machine Learning Introduction & Motivation Wafer Warpage Bow Measurement Drift Prediction with Machine Learning addresses…
wafer warpage control, wafer bow management, thin wafer handling, stress balancing film, warpage metrology
Spectroscopic ellipsometry and inline optical wafer metrology constitute the non-destructive physical measurement and defect detection disciplines that govern yield control across…
wat, wafer acceptance test, metrology
WAT (Wafer Acceptance Test) performs standardized electrical measurements on test structures to verify that the manufacturing process meets specifications before wafers proceed…
packaging
Wave soldering is the through-hole and mixed-assembly soldering process where PCB underside contacts a controlled molten solder wave - it is widely used for high-throughput…
packaging
Wedge bonding is the wire bonding method that forms bonds using a wedge-shaped tool with primarily ultrasonic energy and mechanical force - it is especially common with aluminum…
koh etching, tmah etch
Wet Anisotropic Etching uses orientation-dependent etch rates in crystalline materials to create precisely shaped structures, commonly using KOH or TMAH on silicon. What Is Wet…
rca clean, wafer cleaning, surface preparation, sc-1, sc-2, piranha clean, marangoni drying, wet chemical etch selectivity semiconductor, rca clean chemistry, etch rate silicon nitride oxide, buffered oxide etch chemistry
RCA cleaning and advanced semiconductor surface preparation constitute the sequential wet chemical and physical processes engineered to remove organic residues, sub-micron…
rca clean, wafer cleaning, surface preparation, sc-1, sc-2, piranha clean, marangoni drying, wet clean chemistry, SC1 SC2 clean, wafer cleaning RCA, pre gate clean process
RCA cleaning and advanced semiconductor surface preparation constitute the sequential wet chemical and physical processes engineered to remove organic residues, sub-micron…
rca clean, wafer cleaning, surface preparation, sc-1, sc-2, piranha clean, marangoni drying, wet clean pm, clean tech
RCA cleaning and advanced semiconductor surface preparation constitute the sequential wet chemical and physical processes engineered to remove organic residues, sub-micron…
rca clean, wafer cleaning, surface preparation, sc-1, sc-2, piranha clean, marangoni drying, wet clean semiconductor, sc1 sc2 rca clean, megasonic clean wafer, dilute hf clean, pre gate clean
RCA cleaning and advanced semiconductor surface preparation constitute the sequential wet chemical and physical processes engineered to remove organic residues, sub-micron…
rca clean, wafer cleaning, surface preparation, sc-1, sc-2, piranha clean, marangoni drying, wet cleaning semiconductor, sc1 sc2 clean, wafer cleaning chemistry, dilute hf clean
RCA cleaning and advanced semiconductor surface preparation constitute the sequential wet chemical and physical processes engineered to remove organic residues, sub-micron…
surface preparation wet clean, wet clean surface prep, pre-deposition wet clean, semiconductor surface preclean
Wet cleaning surface preparation is the engineered sequence that converts a semiconductor wafer from its incoming contamination and surface state into the chemical termination…
etch, wet chemical etching, liquid phase etch, chemical bath etch, semiconductor wet etch
Wet etching is liquid-phase, surface-reaction engineering: an exposed film is converted into soluble products while the mask, stop layer, and surrounding structures are asked…
dry etch, plasma etch, rie reactive ion, etch process semiconductor
Semiconductor Etching is the controlled removal of material from wafer surfaces through chemical (wet) or plasma-based (dry) processes — transferring the patterns defined…
etch, wet bench bath, semiconductor wet bath, chemical immersion tank, recirculating etch bath, batch wet processing
A wet etch bath is a recirculating chemical reactor whose product is a controlled wafer surface. The vessel is only one element: delivery, heating, filtration, hydrodynamics…
buffered hf, piranha clean, wet bench, isotropic etch semiconductor
Wet Etch Processes are the liquid-chemical-based material removal techniques used throughout semiconductor manufacturing for cleaning, thin film removal, and pattern transfer…
rca clean, wafer cleaning, surface preparation, sc-1, sc-2, piranha clean, marangoni drying, wet etch process, buffered oxide etch, HF etch, wet cleaning selectivity
RCA cleaning and advanced semiconductor surface preparation constitute the sequential wet chemical and physical processes engineered to remove organic residues, sub-micron…
wet etching vs dry etching, isotropic vs anisotropic etch, plasma etch vs wet etch, semiconductor etching explained, difference between wet and dry etch
Etching removes material that lithography has already exposed, and a fab chooses between two fundamentally different ways to do it: wet etch dissolves material with liquid…
chiplet architecture, chiplet architectures, chiplets, chiplet, 2.5d & 3d packaging, 2.5d and 3d packaging, 3d integration semiconductor, through silicon via tsv, silicon interposer
Chiplets and 2.5D/3D integration are the packaging-level answer to a problem lithography itself can no longer solve alone: building one giant monolithic chip has stopped being…
baseband processor explained, baseband vs rf front end, baseband chip meaning, what does baseband processor do
A baseband processor is the digital signal-processing core inside a modem chip that actually handles encoding, decoding, and managing cellular communication — running the complex…
semiconductor design house explained, asic design house meaning, chip design services company, what does a design house do
A chip design house is a company that specializes in designing chips — sometimes its own products, sometimes custom designs for other companies — without manufacturing anything…
chip interconnect explained, ai accelerator interconnect meaning, high speed chip interconnect, what does interconnect mean in chips
A chip interconnect is the high-speed link that connects multiple chips together — for example, linking several AI accelerator chips into one combined system — allowing them…
chiplet explained, chiplet vs monolithic die, chiplet design meaning, what does chiplet mean
A chiplet is a small, specialized piece of silicon designed to be combined with other chiplets inside a single chip package, rather than building one enormous monolithic die that…
chipset explained, motherboard chipset, northbridge southbridge, what does a chipset do
A chipset is the small set of supporting chips on a motherboard that manages traffic between the processor and everything else in the computer — storage, memory, USB ports…
deionized water semiconductor fab, di water purification stages, ultrapure water resistivity, di water quality monitoring, wafer rinse water contamination
A DI tank stores and delivers deionized water — water stripped of nearly all its dissolved ions and minerals — and it exists because ordinary tap water is catastrophically…
oil free vacuum pump semiconductor, dry pump vs oil pump, backing pump explained, rough vacuum pump fab, contamination free vacuum system
A dry pump is the mechanical backing pump that handles the first, coarser stage of vacuum pump-down described in the turbomolecular pump entry, and its defining feature — running…
what is FEM lithography
A focus-exposure matrix, or FEM, is a lithography test wafer deliberately patterned across a systematic grid of different focus and exposure dose settings, used to map out exactly…
foreline piping vacuum pump, foreline heating condensation, turbomolecular pump to dry pump connection, foreline leak detection, exhaust piping fab
A foreline is the section of vacuum piping that runs between a process chamber's turbomolecular pump and the dry pump backing it, and it exists because the two pumps described…
foundry node explained, 5nm vs 3nm meaning, process node marketing, what does nm mean in chips
A foundry node — often written as "5nm" or "3nm" — is the name a foundry gives to one generation of its chip manufacturing process, and despite the number sounding like a precise…
hdl chip design explained, verilog vhdl meaning, hardware description language meaning, what does hdl mean in chip design
A hardware description language, or HDL, is a specialized programming language used to describe the exact structure and behavior of digital circuits, letting chip designers…
lithography scanner explained, chip lithography machine meaning, wafer stepper scanner, what does a lithography scanner do
A lithography scanner is the physical machine that actually performs the lithography process — precisely positioning the wafer, projecting light through the photomask…
modem chip explained, cellular modem meaning, 5g modem chip, what does a modem chip do
A modem chip is the specialized processor inside a phone, laptop, or other connected device that handles the job of translating data into radio signals for transmission…
mpw semiconductor explained, multi project wafer meaning, shared wafer run chip prototyping, what does mpw mean
A multi-project wafer, or MPW, is a single wafer run shared by several different chip designs from different customers, splitting the fixed cost of a fabrication run across…
A network on chip, or NoC, is a communication system built directly into a chip that routes data between its many internal components — cores, memory, and other blocks — using…
process design kit, pdk explained, process design kit explained, what is a process design kit, pdk semiconductor, foundry pdk
A PDK, or process design kit, is the file package a foundry hands its customers so their chip designs actually work on that foundry's silicon: transistor models, standard-cell…
photomask explained, lithography mask meaning, how does a photomask work, euv photomask
A photomask is a precisely patterned plate — usually a sheet of quartz coated with an opaque chrome pattern — that lithography equipment uses like a stencil to project a chip's…
power management ic explained, pmic chip meaning, what does a pmic do, power management integrated circuit
A power management IC, or PMIC, is a dedicated chip responsible for taking a device's raw input power — such as a battery or wall adapter — and converting, regulating…
rdl chip packaging, rdl explained, what does rdl mean semiconductor, redistribution layer packaging
A redistribution layer, or RDL, is a thin layer of extra wiring built on top of a finished chip that reroutes its native connection points to new, more convenient locations…
wet scrubbing exhaust treatment, scrubber column design, gas absorption liquid treatment, acid gas neutralization fab, counterflow scrubber
A scrubber is the specific abatement technology that removes hazardous gases from process exhaust by passing them through a liquid — usually water, sometimes with added chemicals…
semiconductor explained, semiconductor definition, semiconductor vs conductor vs insulator, what is silicon used for
A semiconductor is a material — most commonly silicon — whose ability to conduct electricity sits between that of a true conductor (like copper) and a true insulator (like glass)…
chip ip core explained, ip licensing semiconductor meaning, what is ip core in chip design, processor ip licensing
A semiconductor IP core is a pre-designed, reusable block of chip circuitry — such as a processor core, a memory controller, or a communications interface — that a chip designer…
gate spacer fabrication, self aligned source drain, anisotropic etch spacer formation, conformal deposition spacer, transistor spacer width
A spacer is a thin sidewall of insulating material formed against the edges of a transistor's gate, and it exists to precisely control where the source and drain regions begin…
soc explained, system on chip meaning, what does soc mean in phones, soc vs cpu
A system on chip, or SoC, is a single chip that combines multiple major components of a computing system — typically a processor, memory controller, graphics, and other…
chip tape out explained, tape out meaning semiconductor, what does tape out mean, chip design tape out
Tape-out is the moment a chip's design is finalized and sent off to a foundry for manufacturing — the point of no return in chip development, after which making changes means…
tsv explained, through silicon via meaning, tsv chip packaging, what does tsv stand for
A through-silicon via, or TSV, is a microscopic vertical electrical connection drilled directly through a piece of silicon, allowing signals to pass straight up and down between…
tensor processing unit explained, tpu vs gpu, tpu meaning ai chip, what does tpu stand for
A TPU, or Tensor Processing Unit, is a type of AI accelerator chip designed specifically to speed up the tensor math — large-scale multi-dimensional array operations — that…
turbo pump semiconductor fab, high vacuum pump explained, staged vacuum pump down, plasma chamber vacuum requirements, molecular flow vacuum pump
A turbomolecular pump is the workhorse vacuum pump that gets a process chamber down to the extremely low pressures nearly every fab process covered in this series actually…