3,822 technical terms and definitions
charge-trap memory, ONO stack, macaroni channel, word line, channel-hole etch, multi-deck stacking, CMOS-Under-Array, Xtacking, wafer-to-wafer bonding, hole bowing and twisting at extreme depth
Hole Bowing and Twisting at Extreme Depth 13. 13. Hole Bowing and Twisting at Extreme Depth Beyond simply slowing down, a channel-hole etch pushed to very high aspect ratio can go…
charge-trap memory, ONO stack, macaroni channel, word line, channel-hole etch, multi-deck stacking, CMOS-Under-Array, Xtacking, wafer-to-wafer bonding, multi-deck string stacking as the solution
Multi-Deck String Stacking as the Solution 14. 14. Multi Deck String Stacking as the Solution Rather than pushing one single etch all the way through an ever-taller stack…
charge-trap memory, ONO stack, macaroni channel, word line, channel-hole etch, multi-deck stacking, CMOS-Under-Array, Xtacking, wafer-to-wafer bonding, the deck-to-deck overlay and joint challenge
The Deck-to-Deck Overlay and Joint Challenge 15. 15. The Deck to Deck Overlay and Joint Challenge Splitting the stack into multiple decks solves the aspect-ratio problem…
charge-trap memory, ONO stack, macaroni channel, word line, channel-hole etch, multi-deck stacking, CMOS-Under-Array, Xtacking, wafer-to-wafer bonding, deck count as a design choice across generations
Deck Count as a Design Choice Across Generations 16. 16. Deck Count as a Design Choice Across Generations The tradeoff described in the previous step — fewer decks means harder…
charge-trap memory, ONO stack, macaroni channel, word line, channel-hole etch, multi-deck stacking, CMOS-Under-Array, Xtacking, wafer-to-wafer bonding, cmos-under-array: moving periphery logic beneath the memory
CMOS-Under-Array: Moving Periphery Logic Beneath the Memory 17. 17. CMOS Under Array Moving Periphery Logic Beneath the Memory Every NAND die needs peripheral CMOS logic beyond…
charge-trap memory, ONO stack, macaroni channel, word line, channel-hole etch, multi-deck stacking, CMOS-Under-Array, Xtacking, wafer-to-wafer bonding, wafer-to-wafer bonding: joining logic and array face-to-face
Wafer-to-Wafer Bonding: Joining Logic and Array Face-to-Face 18. 18. Wafer to Wafer Bonding Joining Logic and Array Face to Face The specific mechanical and electrical trick that…
charge-trap memory, ONO stack, macaroni channel, word line, channel-hole etch, multi-deck stacking, CMOS-Under-Array, Xtacking, wafer-to-wafer bonding, the die-area and cost benefit, and its interaction with multi-deck stacking
The Die-Area and Cost Benefit, and Its Interaction With Multi-Deck Stacking 19. 19. The Die Area and Cost Benefit and Its Interaction With Multi Deck Stacking The direct payoff…
charge-trap memory, ONO stack, macaroni channel, word line, channel-hole etch, multi-deck stacking, CMOS-Under-Array, Xtacking, wafer-to-wafer bonding, close: where 3d nand scaling stands today
Close: Where 3D NAND Scaling Stands Today 20. 20. Close Where 3D NAND Scaling Stands Today By the mid-2020s, commercial 3D NAND had moved well past two hundred stacked layers…
floating gate process, charge trap flash ctl, word line patterning nand, nand cell oxide tunnel
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 process, charge trap flash, nand string, nand stacking layers
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…
lithography
Nanoimprint lithography (NIL) is a patterning technique that creates nanoscale features by physically pressing a pre-patterned template (mold) into a resist material on the wafer…
nanoimprint lithography defect density prediction, nanoimprint lithography defect, lithography defect density, defect density prediction, nanoimprint lithography
Nanoimprint Lithography Defect Density Prediction with Machine Learning Introduction & Motivation Nanoimprint Lithography Defect Density Prediction with Machine Learning addresses…
nanoimprint lithography defect prediction, nanoimprint lithography defect, lithography defect prediction, nanoimprint lithography, lithography defect, defect prediction
Nanoimprint Lithography Defect Prediction with Machine Learning Introduction & Motivation Nanoimprint Lithography Defect Prediction with Machine Learning addresses a central…
nanoimprint lithography defect prediction machine learning, nanoimprint lithography, defect prediction machine, uv, nanoimprint lithography defect prediction
Nanoimprint Lithography Defect Prediction with Machine Learning Introduction & Motivation Nanoimprint Lithography Defect Prediction with Machine Learning addresses a central…
template based imprint, uv cure imprint resin, nil resolution 10nm, nil defect contact
Nanoimprint Lithography (NIL) is pattern transfer via direct mechanical imprinting of template features into polymer resist, enabling sub-5 nm resolution without photon wavelength…
FET, Gate-All-Around, fabrication, process, gaa, nanosheet
Gate-All-Around (GAA) nanosheet field-effect transistors, Multi-Bridge Channel FETs (MBCFET), and vertically stacked ribbon architectures constitute the advanced three-dimensional…
gate all around process, nanosheet stack epitaxy, nanosheet release etch, gaa transistor fabrication, gaa, nanosheet
Gate-All-Around (GAA) nanosheet field-effect transistors, Multi-Bridge Channel FETs (MBCFET), and vertically stacked ribbon architectures constitute the advanced three-dimensional…
nanosheet gaa process, nanosheet width tuning, nanosheet stack formation, nanosheet release etch, gaa, nanosheet
Nanosheet Transistor Fabrication: Unit Process Integration & Physics Nanosheet transistor fabrication is the primary semiconductor manufacturing methodology for leading-edge logic…
metrology
Nanotopography is the surface height variation on a wafer at spatial wavelengths between 0.2mm and 20mm — capturing medium-frequency surface features that are too large…
nanowire fet fabrication, nanowire channel formation, nanowire gaa device, vertical nanowire transistor
Nanowire Transistor Process: Channel Formation, 1D Transport & Vertical Scaling In advanced nanoelectronics, the Nanowire Field-Effect Transistor (NW-FET) represents the ultimate…
Japanese semiconductor maker, top chipmaker, DRAM memory, electronics and communications company, Japan semiconductor rise
NEC is a major Japanese electronics and communications company that was one of the leading semiconductor manufacturers during Japan's rise to prominence in the chip industry…
lithography, cross-linking resist, negative-tone resist
Negative photoresist is a light-sensitive polymeric coating that cross-links wherever ultraviolet radiation or electron-beam energy exposes it, rendering the exposed regions…
network on chip, noc, on chip network, mesh interconnect
A network on chip (NoC) is the packet-switched communication fabric that moves data among processors, accelerators, caches, memory controllers, and I/O blocks inside a system on…
NoC, architecture, interconnect
Network-on-Chip NoC Architecture is a sophisticated on-chip communication infrastructure that extends packet-switched networking concepts to on-chip interconnection of processing…
noc router, mesh noc, noc latency bandwidth, on chip interconnect
Network-on-Chip (NoC) Architecture is the structured communication fabric that replaces ad-hoc wire-based interconnects with a packet-switched or circuit-switched network…
network-on-chip design
Network-On-Chip Design Introduction & Motivation Network-On-Chip Design addresses a central problem in chip-architecture process control and network-latency-hops prediction: how…
noc router, noc topology, system on chip interconnect, noc packet switching
Network-on-Chip (NoC) is the packet-switched communication architecture that replaces traditional shared buses or crossbar switches in complex Systems-on-Chip (SoCs), routing data…
noc mesh topology, noc router microarchitecture, noc arbitration, on-chip interconnect network
Network-on-Chip (NoC) Architecture is a scalable on-chip communication framework that replaces traditional bus-based interconnects with packet-switched networks, enabling…
on chip interconnect design, noc router switching fabric, mesh topology communication, quality of service noc
Network-on-Chip NoC Architecture — Network-on-chip (NoC) architectures replace traditional bus-based and crossbar interconnects with packet-switched communication networks…
noc router arbitration, noc quality of service, noc topology mesh, noc flow control
Network-on-Chip (NoC) Router Design for SoC is the on-chip communication infrastructure that replaces traditional shared-bus architectures with a packet-switched network…
network-on-chip topology selection and trade-offs, network-on-chip topology selection, topology selection trade-offs, network-on-chip topology, topology selection
Network-on-Chip Topology Selection and Trade-Offs Introduction & Motivation Network-on-Chip Topology Selection and Trade-Offs addresses a central problem in integration process…
nas for accelerators, automl chip design, hardware nas, efficient architecture search
Neural Architecture Search for Hardware is the automated discovery of optimal neural network architectures optimized for specific hardware constraints — where NAS algorithms…
tpu, npu, systolic array, ai chip, hardware ai inference, tensor processing unit
Neural Network Accelerators are the specialized hardware processors designed to perform the matrix multiply-accumulate (MAC) operations that dominate neural network inference…
ml driven rtl generation, ai circuit generation, automated hdl synthesis, learning based logic synthesis
Neural Network Synthesis is the emerging paradigm of using deep learning models to directly generate hardware descriptions, optimize logic circuits, and synthesize chip designs…
chip, architecture, spiking, neural, network, event-driven, brain-inspired
Neuromorphic Chip Architecture is computing architectures mimicking neural biology with asynchronous event-driven computation, spiking neurons, and local learning, enabling…
spiking neural network hardware, intel loihi, ibm truenorth neuromorphic, event driven computing chip
Neuromorphic Chip Architecture is a brain-inspired computing paradigm using spiking neuron circuits and event-driven asynchronous computation to achieve ultra-low power machine…
neuromorphic chip design, neuromorphic chip, chip design
Neuromorphic Chip Design Introduction & Motivation Neuromorphic Chip Design addresses a central problem in hardware-accelerators process control and energy-per-spike-nanojoules…
neuromorphic chip synapse variability prediction, neuromorphic chip synapse, chip synapse variability, synapse variability prediction, neuromorphic chip, chip synapse
Neuromorphic Chip Synapse Variability Prediction with Machine Learning Introduction & Motivation Neuromorphic Chip Synapse Variability Prediction with Machine Learning addresses…
ai accelerators detecting and localizing defects in memristor crossbar arrays used in neuromorphic chips, ai accelerators detecting, accelerators detecting localizing, memristor crossbar arrays
AI Accelerators: Detecting and localizing defects in memristor crossbar arrays used in neuromorphic chips Introduction & Motivation AI Accelerators: Detecting and localizing…
detecting and localizing defects in memristor crossbar arrays used in neuromorphic chips, detecting localizing defects, localizing defects memristor, defects memristor crossbar, crossbar arrays
Detecting and localizing defects in memristor crossbar arrays used in neuromorphic chips Introduction & Motivation Detecting and localizing defects in memristor crossbar arrays…
memristor synaptic device, phase change synaptic, ferroelectric synaptic, spiking device analog
Neuromorphic Semiconductor Devices are specialized hardware substrates implementing brain-inspired computing via memristor/resistive/ferroelectric synaptic elements integrated…
ntd silicon, float zone neutron doping, silicon 30 phosphorus, power device resistivity uniformity, ntd power semiconductor
Neutron transmutation doping, or NTD, turns a silicon wafer into its own dopant source by firing it with a reactor's neutron flux and letting nuclear physics do what no diffusion…
Nikon lithography, precision optics, exposure tool, lithography equipment supplier, wafer scanner
The Nikon stepper refers to the lithography steppers and scanners made by the Japanese optical company Nikon, which became one of the leading suppliers of the exposure machines…
cvd nitride deposition, sinx deposition, si3n4 deposition, deposited silicon nitride, nitride film deposition, semiconductor nitride deposition, low stress silicon nitride, stoichiometric silicon nitride, silicon rich nitride
CVD nitride deposition forms an amorphous silicon–nitrogen-based film whose useful properties depend on composition, hydrogen, density, stress, and interfaces—not merely on…
nitride deposition stress drift prediction, nitride deposition stress, deposition stress drift, stress drift prediction, nitride deposition, deposition stress, stress drift
Nitride Deposition Stress Drift Prediction with Machine Learning Introduction & Motivation Nitride Deposition Stress Drift Prediction with Machine Learning addresses a central…
hard mask semiconductor, silicon nitride mask, poly hard mask, hard mask etch
Hard Mask is a thin inorganic film used as an etch mask in place of or in addition to photoresist — providing superior etch resistance for deep etches, enabling tighter CD…
packaging
Nitrogen purge is the process of replacing ambient air in packaging or process environments with nitrogen to reduce oxygen and moisture exposure - it helps protect sensitive…
packaging
No-clean flux is the flux chemistry formulated to leave minimal benign residue after soldering so post-reflow cleaning is often unnecessary - it is widely used to simplify…
packaging
No-flow underfill is the underfill approach where uncured resin is applied before die placement and cures during solder reflow to combine attach and reinforcement steps - it can…
network on chip qos, traffic class arbitration, noc bandwidth guarantee, latency service level
NoC Quality of Service is the traffic management framework that enforces latency and bandwidth targets on shared on chip networks. What It Covers Core concept: classifies traffic…