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Glossary

28,973 technical terms and definitions

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3-3-volt-logic

3.3 volt logic, 3.3v logic

3.3-volt logic describes circuits or interfaces associated with a nominal 3.3 V supply. The phrase does not specify a single set of input thresholds. LVTTL and LVCMOS can both…

3-inch wafer

wafer size, wafer diameter, chips per wafer, wafer-size generation, 1970s wafer standard

The 3-inch wafer refers to a generation of silicon wafers roughly three inches in diameter that was a common standard in semiconductor manufacturing during the 1970s, one rung on…

3-sigma yield

manufacturing

3-Sigma Yield is the manufacturing quality standard where 99.73% of production output falls within the specification limits defined at ±3 standard deviations from the process mean…

300mm-transition

300 mm transition, 300 millimeter wafer transition

The 300 mm transition changed the wafer manufacturing platform rather than the transistor’s basic operating principle. Moving from 200 mm to 300 mm substrates increases…

{311} defects

process

{311} Defects are rod-shaped planar fault clusters of excess silicon interstitials formed on the {311} crystallographic planes during post-implant annealing — they serve as…

32-bit microprocessor

32-bit processor, large address space, word width, 386, RISC 32-bit

A 32-bit microprocessor is a processor whose fundamental data width and, broadly, addressing capability are organized around 32 bits, a generation that succeeded the 16-bit…

32nm-process

32 nm process, what is 32 nm process

A 32 nm process is a technology generation with implementation-specific device and wiring dimensions. It followed the 45 nm generation in major logic roadmaps, but the numerical…

3d

mesh, point cloud, nerf

3D AI: Meshes, NeRFs, and Point Clouds 3D Representations Type Description Use Case Mesh Vertices, edges, faces Games, CAD Point Cloud 3D points LiDAR, scanning NeRF Neural…

3D

gaussian, splatting, point, rendering

3D Gaussian Splatting is a novel 3D scene representation and rendering technique using a set of anisotropic Gaussian primitives with learnable properties — enabling real-time…

3D

object, detection, LiDAR, deep, learning, point, cloud, voxel

3D Object Detection LiDAR Deep Learning is algorithms detecting and localizing 3D objects in point cloud data from LiDAR sensors, enabling autonomous driving and robotic…

3d afm

3d, metrology

3D AFM is an advanced atomic force microscopy technique that measures the three-dimensional profile of high-aspect-ratio semiconductor structures — going beyond conventional…

3d-aware generation

3d vision

3D-aware generation is the generative modeling approach that incorporates explicit or implicit 3D scene structure for viewpoint-consistent image synthesis - it enables camera…

3d-chip-stacking-integration machine learning

3d chip stacking and integration, 3d chip stacking, chip stacking integration, 3d chip, chip stacking, stacking integration

3D Chip Stacking and Integration Introduction & Motivation 3D Chip Stacking and Integration addresses a central problem in chip-architecture process control…

3d cnns for video

3d, video understanding

3D CNNs for video are the spatiotemporal convolutional networks that extend 2D kernels with a time dimension to learn motion and appearance jointly - they process short clips as…

3d convolutional networks

3d convolutional, convolutional networks, 2d 3d cnn ct hmdb51 mri

3D Convolutional Networks Introduction & Motivation 3D CNNs: process volumetric and video data. Spatiotemporal convolution. Applications: video understanding, medical imaging…

3d detection point cloud prediction machine learning

3d detection point cloud prediction, 3d detection point, detection point cloud, point cloud prediction, 3d detection, detection point, point cloud, cloud prediction

3D Detection Point Cloud Prediction with Machine Learning Introduction & Motivation 3D Detection Point Cloud Prediction with Machine Learning addresses a central problem in 3D…

3d field solver

3d, signal & power integrity

3D Field Solver is full three-dimensional electromagnetic solver for high-fidelity interconnect and package analysis - It captures complex geometry effects that simplified…

3d gaussian

3d, multimodal ai

3D Gaussian is a single Gaussian primitive in 3D space used to model local radiance and geometry contributions - It is the atomic unit in Gaussian-based neural scene…

3d gaussian primitives

3d, 3d vision

3D Gaussian primitives is the parametric scene elements defined by center, covariance, opacity, and color used in Gaussian splatting renderers - they are the fundamental building…

3d gaussian splatting

computer vision

3D Gaussian Splatting is a novel 3D scene representation using anisotropic 3D Gaussians — representing scenes as collections of oriented ellipsoids that can be rendered extremely…

3d reconstruction

structure from motion, multi view stereo, nerf, 3d gaussian splatting, photogrammetry

3D reconstruction estimates scene geometry, appearance, and camera relationships from images or range measurements. It creates digital twins, AR/VR assets, maps, cultural-heritage…

3d generation

nerf, gaussian

AI 3D Generation is the field of deep learning that synthesizes three-dimensional objects, scenes, and environments from text prompts, single images, or sparse inputs — enabling…

3d generation neural

nerf radiance field, gaussian splatting, 3d reconstruction deep learning, novel view synthesis

Neural 3D Generation and Reconstruction is the deep learning field that creates three-dimensional representations of scenes and objects from 2D images or text prompts — using…

3d-human-body-pose-estimation machine learning

3d human body pose estimation, 3d human body, human body pose, body pose estimation, 3d human, human body, body pose, pose estimation

3D Human Body Pose Estimation Introduction & Motivation 3D Human Body Pose Estimation addresses a central problem in vision process control and body-keypoint-skeleton-joint…

3d ic

3d integrated circuit, 3d ic design implementation, through silicon via tsv, stacked die integration, hbm4 compute die integration, gpu hbm4 interposer

Advanced packaging is the set of techniques for assembling multiple dies into a single package so tightly that they behave almost like one chip — and for AI accelerators it has…

3d-ic bonding alignment prediction with machine learning

3d ic bonding alignment prediction with machine learning, 3d ic bonding alignment prediction machine learning, 3d ic, bonding alignment prediction, 3d-ic bonding alignment prediction

3D-IC Bonding Alignment Prediction with Machine Learning Introduction & Motivation 3D-IC Bonding Alignment Prediction with Machine Learning addresses a central problem in 3D-IC…

3d ic multi die design

3d stacking tsv design, face to face bonding design, 3d ic thermal floorplanning, 3d ic power delivery design

Multi-Die 3D-IC Design Methodology is the comprehensive design flow for vertically stacking multiple silicon dies using through-silicon vias (TSVs) or face-to-face hybrid bonding…

3d integration

advanced packaging

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…

3d integration methods

monolithic 3d integration, sequential integration 3d, 3d stacking technology, heterogeneous integration 3d

3D Integration Methods are the architectural approaches that stack multiple device layers or dies vertically with high-density interconnections — achieving 10-100× higher…

3d integration monolithic sequential

monolithic 3d ic, layer transfer 3d, sequential 3d process flow, inter-layer via connection

Monolithic 3D Integration is sequential stacking of CMOS transistor layers on the same silicon wafer using low-temperature top-tier processing to avoid damaging lower…

3d nand

vertical nand, v-nand, vnand, 3d flash memory, nand stacking, string stacking, gate all around nand, vertical channel nand

3D NAND flash is the memory architecture that escapes planar scaling limits by stacking hundreds of storage layers vertically — each layer is a word-line (gate) wrapping…

3D NAND

Flash Memory, array architecture, stacking

3D NAND flash is the memory architecture that escapes planar scaling limits by stacking hundreds of storage layers vertically — each layer is a word-line (gate) wrapping…

3d nand backside source contact etch

bs source contact, backside source line routing, bonded wafer source contact, backside metal source connection

Backside source contact is a third way into the same source-line plate that CSL contact fill and side-wall ONO removal already reach — and it exists only because bonded…

3d nand back end bit line etch

bit line sadp etch, self aligned double patterning nand, bl trench etch, mandrel spacer bit line pitch

Back-end bit-line etch is where the array's tightest pitch actually gets cut, and ordinary single-exposure lithography can't resolve it directly — which is why this step usually…

3d nand bit line contact etch

blc etch, bit line contact 3d nand, channel plug contact etch, bit line pitch sadp, tight pitch contact etch

Bit-line contact etch looks like the simplest contact in the whole 3D NAND flow — one depth, one landing surface — and it is still one of the hardest to etch cleanly, because that…

3d nand source select gate cut

bsg cut etch, gsl cut etch, ground select line cut, source side select gate isolation, bottom select gate etch

BSG/GSL cut does for the source-side select gate exactly what TSG/SSL cut does for the drain side, splitting one continuous layer into independently switchable segments — except…

3d nand cell leakage prediction machine learning

3d nand cell-to-cell leakage prediction, 3d nand cell-to-cell, nand cell-to-cell leakage, cell-to-cell leakage prediction, 3d nand, nand cell-to-cell, cell-to-cell leakage

3D NAND Cell-to-Cell Leakage Prediction with Machine Learning Introduction & Motivation 3D NAND Cell-to-Cell Leakage Prediction with Machine Learning addresses a central problem…

3d nand channel hole etch

memory hole etch, channel hole aspect ratio, lower deck upper deck etch, inter deck plug etch, cryogenic channel hole etch, ch bottom punch

Channel hole etch is the step that actually makes 3D NAND possible, and it is the single hardest etch in the entire flow: a hole cut at an aspect ratio of 50 to 80-to-1 or more…

3d nand channel hole etch depth prediction with machine learning

3d nand channel hole etch depth prediction machine learning, 3d nand, channel hole etch, 3d cd nand rf sem, 3d nand channel hole etch depth prediction, 3d nand channel

3D NAND Channel Hole Etch Depth Prediction with Machine Learning Introduction & Motivation 3D NAND Channel Hole Etch Depth Prediction with Machine Learning addresses a central…

3d nand channel poly recess etch

channel poly recess, core oxide recess macaroni, drain poly etch back, channel hole drain plug sequence

Channel poly recess is the middle depth in a three-step sequence that carves room for the drain plug at the very top of a finished channel hole, cutting the conducting poly back…

3d nand charge trap efficiency machine learning

3d nand charge trap efficiency prediction, 3d nand charge, nand charge trap, charge trap efficiency, trap efficiency prediction, 3d nand, nand charge, charge trap, trap efficiency

3D NAND Charge Trap Efficiency Prediction with Machine Learning Introduction & Motivation 3D NAND Charge Trap Efficiency Prediction with Machine Learning addresses a central…

3d nand slit bottom source line contact fill

csl void free fill, bottom up trench fill 3d nand, csl barrier seed layer, source line contact cmp overburden

Slit-bottom source-line contact fill is the step that actually closes the trench the slit module spent several etches preparing, and its hardest problem is not etch chemistry…

3d nand common source line etch

csl etch, slit spacer etch, common source line contact fill, csl contact 3d nand, source line plate etch

Common source line, or CSL, etch is the step that finally seals the slit trench for good — after that same opening has already carried the gate-replacement wet etch and…

3d nand charge trap nitride cut

ctn cut etch, trap layer separation etch, split cell two bits per hole etch, charge trap isolation etch, word line trap segment cut

Charge-trap nitride cut, or CTN cut, is a thin lateral etch that slices the charge-trap layer itself between adjacent word lines — a step most 3D NAND generations never needed…

3d nand drain poly etch back

drain poly etchback, channel hole plug cavity etch, drain plug recess depth, bit line contact landing surface

Drain poly etch-back is the deepest of the three recess cuts that finish the top of a channel hole, and it is the only one of the three with a direct electrical consumer waiting…

3d nand etch applications

3d nand etch list, channel hole etch, staircase etch, gate line slit etch, replacement gate etch, wordline contact etch, v-nand etch, bics etch, xtacking etch

3D NAND replaces the one flat etch step of a planar chip with close to forty named etch applications, and almost all of them exist to solve one problem: getting a feature…

3d nand film stack

onon film stack, silicon nitride silicon dioxide stack, 3d nand deposition, pecvd nand stack, charge trap film stack, opop floating gate stack

The 3D NAND film stack is the foundation every later etch and fill step in the flow depends on: 200 to 300-plus alternating pairs of silicon dioxide and silicon nitride (ONON)…

3d nand flash fabrication

nand string architecture, charge trap flash memory, 3d nand layer count, nand vertical channel

3D NAND flash is the memory architecture that escapes planar scaling limits by stacking hundreds of storage layers vertically — each layer is a word-line (gate) wrapping…

3D NAND flash stacking technology

vertical channel NAND, charge trap flash memory, NAND string hole etch, multi-tier 3D NAND

3D NAND flash is the memory architecture that escapes planar scaling limits by stacking hundreds of storage layers vertically — each layer is a word-line (gate) wrapping…