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Glossary

3,531 technical terms and definitions

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Showing page 6 of 71 (3,531 entries)

Bspdn Walk Through Wafer Flip and Carrier Bonding

backside power delivery step 5 walk through wafer flip and carrier bonding, wafer flip carrier bonding backside power delivery process

Backside Power Delivery: Step 5 — Walk Through Wafer Flip and Carrier Bonding 1. A Process Sequence Most Prior Nodes Never Needed Everything described so far motivates BSPDN; this…

Bspdn Walk Through Wafer Thinning and Backside Reveal

backside power delivery step 6 walk through wafer thinning and backside reveal, wafer thinning backside reveal process sequence

Backside Power Delivery: Step 6 — Walk Through Wafer Thinning and Backside Reveal 1. From Hundreds of Microns to a Few Hundred Nanometers A finished device wafer, before thinning…

Bspdn Weigh Wafer Bonding Yield Risk Backside Processing

backside power delivery step 12 weigh wafer bonding yield risk, wafer handling bonding yield risk unique to backside processing

Backside Power Delivery: Step 12 — Weigh Wafer-Bonding Yield Risk Unique to Backside Processing 1. Risk Arrives Late in the Process, Not Early In conventional frontside-only…

Bspdn Examine Thermal Mechanical Considerations Thinned Flipped Wafer

backside power delivery step 19 examine thermal mechanical considerations, thermal mechanical considerations thinned flipped wafer bspdn

Backside Power Delivery: Step 19 — Examine Thermal and Mechanical Considerations of a Thinned, Flipped Wafer 1. A Benefit That Is Not Free of Tradeoffs Every prior step in this…

Backside Processing Semiconductor

backside power delivery, backside contacts, backside metallization, backside via formation, bspdn

Backside Processing in Semiconductor Manufacturing Backside processing represents a fundamental architectural inversion in semiconductor manufacturing: transforming the inactive…

Backside Wafer Thinning

wafer thinning, substrate thinning, wafer grinding, tsv reveal

Through-Silicon Vias are the vertical conductive interconnect pillars that traverse the bulk silicon substrate to establish high-density, low-latency electrical connections…

Baffle Plate Deposition Buildup Prediction with Machine Learning

baffle plate deposition buildup prediction machine learning, baffle plate, deposition buildup prediction, baffle plate deposition buildup prediction, baffle plate deposition

Baffle Plate Deposition Buildup Prediction with Machine Learning Introduction & Motivation Baffle Plate Deposition Buildup Prediction with Machine Learning addresses a central…

Bake-Out

packaging

Bake-out is the controlled heating process used to remove absorbed moisture from packages before reflow or storage reset - it is the primary recovery method when floor-life limits…

Bake Schedule

packaging

Bake schedule is the defined temperature-time profile used to remove absorbed moisture from components before assembly - it converts moisture-risk conditions into controlled…

Ball Bonding

packaging

Ball bonding is the wire bonding technique where a spherical free-air ball is formed at wire tip to create the first bond on the die pad - it is commonly used with gold or copper…

Ball Grid Array

bga, packaging, solder ball, perimeter lead package, X-ray inspection, reflow uniformity, thermal ball, ground ball, high I/O package

A ball grid array (BGA) is a package format that connects a chip to its circuit board through a grid of solder balls on its underside, rather than through leads sticking out…

Band Gap

semiconductor band gap, direct indirect bandgap, wide bandgap materials, bandgap engineering

The band gap Eg is the energy separation between the top of the valence band and the bottom of the conduction band, and it is the single parameter that decides whether a crystal…

Barc

bottom antireflective coating, bottom anti-reflective coating, barc (bottom arc), bottom arc, arc lithography, standing wave suppression, refractive index matching 193nm, organic inorganic barc, euv underlayer

Bottom antireflective coating is a thin film applied between photoresist and substrate to suppress optical reflections during lithographic exposure, reducing standing-wave…

Point Contact Transistor Cut Small Block or Disc

bardeen brattain 1947 step 2 cut germanium body, cut small block or disc germanium, saw damage machining allowance germanium body, create the semiconductor body point contact

Cut a Small Block or Disc: The First Operation That Can Destroy What Step 1 Selected For Step 1 accepted a germanium sample on the strength of a property that lives in the bulk…

Point Contact Transistor Re-Etch Upper Face

bardeen brattain 1947 step 7 reetch upper face, re-etch the upper face germanium contamination, stray metal contamination threshold surface states, conditional step line of sight deposition germanium

Re-Etch the Upper Face: The First Step in This Sequence That Might Not Run at All Every step so far has run unconditionally — the sample selected in Step 1 either passed its…

Barrier Liner Deposition

tantalum nitride barrier, pvd ald barrier, copper diffusion prevention, conformal liner coverage

Copper dual damascene interconnect architectures, electrochemical superfilling, and barrier-seed metallization constitute the back-end-of-line (BEOL) wiring systems that route…

Beol Metallization Process

copper dual damascene, interconnect rc delay optimization, barrier seed deposition, low-k dielectric integration

Copper dual damascene interconnect architectures, electrochemical superfilling, and barrier-seed metallization constitute the back-end-of-line (BEOL) wiring systems that route…

Bevel Edge

wafer edge profile, semi m1

Bevel Edge refers to the angled profile machined into wafer edges during manufacturing, typically at 15-22° angles to reduce chipping and improve handling. What Is a Bevel Edge?…

Beyond Silicon Channel Materials

alternative channel materials, ge iii-v channels, 2d material transistors, high mobility channels, germanium p-channel, iii-v semiconductor, mos2 transistor, graphene channel, monolayer transistors, carrier mobility

Beyond-silicon channel materials—germanium, III-V semiconductors, and two-dimensional crystals—address the escalating challenges of Si scaling by offering superior carrier…

BGA Ball Diameter

packaging, stand-off height, ball-attach process, incoming quality, reflow collapse, thermal cycle fatigue, solder volume, ball diameter distribution, reliability correlation

BGA ball diameter is the nominal size of each individual solder sphere on a BGA package before reflow, and it's the single number that most directly sets how much solder material…

BGA Ball Pitch

bga, packaging, bga ball diameter, solder joint volume, thermal fatigue, fine pitch assembly, escape routing, stand-off height, PCB fabrication tolerance

Ball pitch and ball diameter are the two geometric numbers that define a BGA package's solder ball array — pitch is the center-to-center spacing between adjacent balls, diameter…

Bias

metrology

Bias in metrology is the systematic difference between the average measured value and the true (reference) value — a constant offset that affects accuracy (not precision), caused…

ICP CCP Plasma Etch

icp ccp, plasma etch icp ccp, icp plasma etching, ccp plasma etching, inductively coupled plasma, capacitively coupled plasma, wafer bias, bias power, rf bias etch, bias voltage plasma, etch bias control, ion energy etch, ccp bias

Plasma etching and reactor physics govern the dry, anisotropic material removal processes essential for patterning nanoscale semiconductor features. Driven by radio-frequency…

Bipolar Ecl 1960s Manage Thermal Design and Packaging for Ecl

bipolar ecl 1960s step 18 manage thermal design and packaging for ecl, manage thermal design and packaging for ecl

Bipolar ECL Logic (1960s): Step 18 — Managing Thermal Design and Packaging for ECL The physical engineering problem created by Step 11's power-dissipation finding. A board densely…

Bkm

Best Known Method, Best Known Methods, semiconductor BKM, foundry BKM, process BKM, equipment BKM, maintenance BKM, metrology BKM, fab best known method, process of record, POR, tool matching, process control

BKM: Best Known Method in Semiconductor Foundry Operations A Best Known Method (BKM) is the currently preferred, documented, and validated way to execute a defined semiconductor…

Blade Dicing Chipping Prediction Machine Learning

blade dicing chipping prediction, blade dicing chipping, dicing chipping prediction, blade dicing, dicing chipping, chipping prediction

Blade Dicing Chipping Prediction with Machine Learning Introduction & Motivation Blade Dicing Chipping Prediction with Machine Learning addresses a central problem in mechanical…

Block Copolymer Lithography

lithography

Block Copolymer Lithography is a Directed Self-Assembly (DSA) technique that exploits thermodynamic phase separation of immiscible polymer blocks to spontaneously form periodic…

Boat Loading Wafer Spacing Uniformity Prediction with Machine Learning

boat loading wafer spacing uniformity prediction machine learning, boat loading, wafer spacing uniformity, boat loading wafer spacing uniformity prediction

Boat Loading Wafer Spacing Uniformity Prediction with Machine Learning Introduction & Motivation Boat Loading Wafer Spacing Uniformity Prediction with Machine Learning addresses…

Bohm Sheath Criterion Dynamics

plasma sheath potential drop, iedf iadf distribution functions, reactive ion etching sheath kinetics, child-langmuir law plasma, aspect ratio dependent etching arde

Nonlinear Electrostatic Plasma Sheath Dynamics, Bohm Velocity Criterion, and Ion Distribution Modeling for Sub-5nm Reactive Ion Etching Executive Summary The plasma sheath—a thin…

Bond Energy

advanced packaging

Bond Energy is the thermodynamic measure of adhesion strength at a bonded wafer interface, expressed as the energy per unit area (J/m²) required to separate the bonded surfaces…

Bond Interface Characterization

advanced packaging

Bond Interface Characterization is the suite of analytical techniques used to evaluate the quality, integrity, and reliability of bonded wafer interfaces — measuring bond energy…