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Glossary

29,259 technical terms and definitions

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high voltage reliability prediction machine learning

high-voltage reliability prediction, high-voltage reliability, reliability prediction

High-Voltage Reliability Prediction with Machine Learning Introduction & Motivation High-Voltage Reliability Prediction with Machine Learning addresses a central problem…

highlight-specular-removal machine learning

highlight specular removal, highlight specular, specular removal

Highlight Specular Removal Introduction & Motivation Highlight Specular Removal addresses a central problem in vision process control and specular-highlight-detection prediction…

highly accelerated life test sensitivity prediction machine learning

highly accelerated life test sensitivity prediction, highly accelerated life, accelerated life test, life test sensitivity, test sensitivity prediction, accelerated life

Highly Accelerated Life Test Sensitivity Prediction with Machine Learning Introduction & Motivation Highly Accelerated Life Test Sensitivity Prediction with Machine Learning…

highly accelerated stress test failure prediction machine learning

highly accelerated stress test failure prediction, highly accelerated stress, accelerated stress test, stress test failure, test failure prediction, highly accelerated

Highly Accelerated Stress Test Failure Prediction with Machine Learning Introduction & Motivation Highly Accelerated Stress Test Failure Prediction with Machine Learning addresses…

hilbert space

complete inner product space, hilbert space foundations, functional analysis hilbert space, hilbert space quantum mechanics, hilbert space semiconductor, engineering function space

A Hilbert space is a real or complex vector space equipped with an inner product and complete in the norm induced by that inner product. It extends Euclidean geometry to finite…

hillock formation metal surface roughness prediction machine learning

hillock formation and metal surface roughness prediction, hillock formation metal, formation metal surface, metal surface roughness, surface roughness prediction

Hillock Formation and Metal Surface Roughness Prediction with Machine Learning Introduction & Motivation Hillock Formation and Metal Surface Roughness Prediction with Machine…

hindsight-experience-replay machine learning

Hindsight Experience Replay Introduction & Motivation Hindsight Experience Replay addresses a central problem in reinforcement policy learning and goal-relabeling-benefit…

hinge-loss-gan machine learning

Hinge Loss GAN Introduction & Motivation Hinge Loss GAN addresses a central problem in generative generation and margin-based-training synthesis: how to Design generative models…

histogram

bin width, Sturges rule Freedman-Diaconis rule, histogram vs bar chart

A histogram is a chart that shows the distribution of a single numerical variable by dividing its range into intervals, called bins, and drawing a bar for each bin whose height…

historian data gap detection prediction with machine learning

historian data gap detection prediction machine learning, historian data, gap detection prediction, historian data gap detection prediction, historian data gap, data gap

Historian Data Gap Detection Prediction with Machine Learning Introduction & Motivation Historian Data Gap Detection Prediction with Machine Learning addresses a central problem…

historian data logging drift prediction machine learning

historian data logging drift prediction, historian data logging, data logging drift, logging drift prediction, historian data, data logging, logging drift, drift prediction

Historian Data Logging Drift Prediction with Machine Learning Introduction & Motivation Historian Data Logging Drift Prediction with Machine Learning addresses a central problem…

history of artificial intelligence

AI timeline, McCulloch-Pitts 1943, Dartmouth 1956, AI winter, Deep Blue 1997, AlexNet 2012, ChatGPT 2022

The history of artificial intelligence is the roughly eighty-year story of attempts to make machines do things that would require intelligence in people, told as alternating waves…

history of the transistor

transistor timeline, Lilienfeld patent, point-contact transistor 1947, junction transistor 1950, MOSFET 1959, Intel 4004

The history of the transistor is the story of how a laboratory attempt to build a better solid-state amplifier in 1947 became the most manufactured object in human history…

Hitachi

Japanese semiconductor maker, electronics conglomerate, DRAM memory, Japan semiconductor rise, integrated circuits

Hitachi is a major Japanese electronics and industrial conglomerate that was one of the significant semiconductor manufacturers during the era when Japan rose to prominence in…

hkmg

hkmg gate, high-k metal gate, hkmg technology, gate stack, replacement metal gate, work function metal

High-k metal gate (HKMG) replaces the traditional silicon dioxide gate dielectric and polysilicon gate electrode with a high-dielectric-constant insulator, commonly hafnium oxide…

high-k metal gate

hkmg gate, process integration, gate stack, hkmg, replacement metal gate

HKMG gate technology solved the gate-leakage crisis conventional silicon-dioxide-and-polysilicon gates faced as oxide thickness scaled down to just a few atomic layers, where…

hkmg gate

high-k metal gate, hafnium oxide gate, replacement metal gate, hkmg, gate stack

HKMG (high-k metal gate) technology became essential once transistor gate oxide thickness scaled down to the point where silicon dioxide alone could no longer suppress gate…

hkmg gate

high-k metal gate, hafnium oxide gate, work function metal, replacement metal gate, hkmg

HKMG (high-k metal gate) technology's core innovation, replacing thin silicon dioxide and polysilicon with a physically thicker high-k dielectric and a metal gate electrode…

hkmg gate

high-k metal gate, gate last, replacement metal gate, work function, hkmg

HKMG gate stacks are now standard across essentially all advanced-node logic transistors, having replaced conventional silicon-dioxide-and-polysilicon gates specifically to solve…

hkmg

high-k metal gate, high-k dielectric integration, metal gate work function, hkmg gate

HKMG (high-k metal gate) technology's adoption across the industry required solving both a materials problem, finding a high-k dielectric with acceptable electrical and thermal…

hkmg integration

high-k metal gate integration, hkmg advanced node, gate dielectric scaling, hkmg

HKMG integration brings together high-k dielectric deposition, work-function-tuning layer deposition for both NMOS and PMOS, and bulk gate-fill metal deposition into one…

hkmg integration

high-k metal gate integration, gate-first gate-last, hkmg process flow, hkmg

HKMG integration strategy choices made for one process node do not necessarily transfer unchanged to a subsequent, more advanced node, since smaller gate dimensions and tighter…

hkmg work function metal thickness drift prediction with machine learning

hkmg work function metal thickness drift prediction machine learning, hkmg work, function metal thickness, hkmg work function metal thickness drift prediction

HKMG Work Function Metal Thickness Drift Prediction with Machine Learning Introduction & Motivation HKMG Work Function Metal Thickness Drift Prediction with Machine Learning…

hls pragmas

high-level synthesis pragmas, hls optimization directives, pipeline pragma, loop unroll hls

High-Level Synthesis Pragmas is the directive driven optimization method for mapping algorithmic C code into efficient RTL microarchitecture. What It Covers Core concept: controls…

hls synthesis

high-level synthesis, c to rtl, behavioral synthesis, catapult vivado hls

High-Level Synthesis (HLS) is the automated transformation of untimed algorithmic descriptions written in C, C++, or SystemC into synthesizable RTL hardware (Verilog/VHDL)…

hls synthesis

high-level synthesis hls, c++ to rtl, algorithm to hardware, hls pipelining

High-Level Synthesis (HLS) is the transformative EDA methodology that automatically compiles untimed, high-level software algorithms written in C, C++, or SystemC directly into…

hls synthesis

high-level synthesis, c to rtl compilation, hls pragma optimization

High-Level Synthesis (HLS) is the automated design methodology that transforms algorithmic descriptions written in C, C++, or SystemC into synthesizable register-transfer-level…

hmac-message-authentication machine learning

hmac message authentication, hmac message, message authentication

HMAC Message Authentication Introduction & Motivation HMAC Message Authentication addresses a central problem in cryptography process control and authentication-code-length…

hmds prime adhesion drift prediction machine learning

hmds prime adhesion drift prediction, hmds prime adhesion, prime adhesion drift, adhesion drift prediction, hmds prime, prime adhesion, adhesion drift, drift prediction

HMDS Prime Adhesion Drift Prediction with Machine Learning Introduction & Motivation HMDS Prime Adhesion Drift Prediction with Machine Learning addresses a central problem…

hmds prime adhesion promotion drift prediction with machine learning

hmds prime adhesion promotion drift prediction machine learning, hmds prime, adhesion promotion drift, hmds, hmds prime adhesion promotion drift prediction

HMDS Prime Adhesion Promotion Drift Prediction with Machine Learning Introduction & Motivation HMDS Prime Adhesion Promotion Drift Prediction with Machine Learning addresses…

hmds vapor prime uniformity prediction with machine learning

hmds vapor prime uniformity prediction machine learning, hmds vapor, prime uniformity prediction, hmds, hmds vapor prime uniformity prediction, hmds vapor prime, vapor prime

HMDS Vapor Prime Uniformity Prediction with Machine Learning Introduction & Motivation HMDS Vapor Prime Uniformity Prediction with Machine Learning addresses a central problem…

hmm time series

hmm, time series models

HMM Time Series is hidden Markov modeling for sequences generated by unobserved discrete latent states. - Observed measurements are emitted from latent regimes that switch…

HMOS

high-performance MOS, Intel NMOS process, scaled NMOS, NMOS microprocessor process, pre-CMOS technology

HMOS was Intel's name for a series of high-performance NMOS process technologies, introduced in the latter half of the 1970s, that pushed single-polarity n-channel MOS logic…

hmos 1978 fixed voltage scaling breaks the field rule

nmos hmos scaling constant voltage versus constant field, hot carrier injection threshold shift power density nmos scaling, hmos 1978 depletion load redesign shorter channel without raising field

Why Shrinking the Gate Without Shrinking the Voltage Breaks the Rule That Made Scaling Work 1. State the Rule Every Prior Series Scaled By, and the Constraint That Breaks It Every…

hmos 1978 depletion load redesign shorter channel without raising field

ion implantation decouples load threshold from switcher process, hmos inverter pair matched switching transistor depletion load, hmos 1978 implant dose current matching aspect ratio

Redesign the Load Device So a Shorter Channel Does Not Mean a Higher Field 1. Isolate the One Device That Was Never the Bottleneck Until Now Standard enhancement-mode NMOS logic…

hmos 1978 quantify current matching and aspect ratio tradeoff

depletion load nmos inverter beta ratio aspect ratio sizing, pull up to pull down current ratio v_ol noise margin hmos, hmos inverter aspect ratio body effect ion implanted load

Step 3 — Quantify the Current-Matching and Aspect-Ratio Tradeoff 1. The Inverter Voltage Transfer Constraint: Securing V_OL In a depletion-load NMOS inverter, output logic levels…

hmos 1978 thin gate oxide recover speed without raising field

gate oxide thinning t_ox drive current vs tddb breakdown hmos, vertical electric field e_ox versus lateral hot carrier budget, hmos 70nm oxide reliability time dependent dielectric breakdown

Step 4 — Thin the Gate Oxide to Recover Switching Speed Without Raising the Field Further 1. The Vertical Lever: Transconductance Recovery Through t_ox When constant-voltage…

hmos 1978 confront interconnect faster transistor faster wire

polysilicon rc interconnect delay elmore delay scaling limit, hmos gate delay versus interconnect wire delay crossover, polycide silicide strapping sheet resistance interconnect hmos

Step 5 — Confront the Interconnect: Why a Faster Transistor Needs a Faster Wire 1. The Historical Crossover: When the Wire Overtook the Gate As gate delay dropped into…

hmos 1978 redesign process flow for second polysilicon layer

double poly nmos process flow mask count accounting hmos, poly 2 interconnect buried contact stringer etch hmos sram, interpoly dielectric ipd thermal budget polycide hmos wafer

Step 6 — Redesign the Process Flow for a Second Polysilicon Layer 1. The Layout Congestion Crisis of Single-Poly NMOS To compress microprocessor cell areas and eliminate parasitic…

hmos 1978 measure clock speed payoff against original nmos

hmos versus standard nmos power delay product clock comparison, intel 2147 sram 8086 microprocessor hmos performance metrics, gate delay power density trade off hmos vs nmos benchmark

Step 7 — Measure the Clock-Speed Payoff Against the Original NMOS Generation 1. The Quantitative Balance Sheet: Was the HMOS Redesign Worth It? By evaluating clock speed…

hmos 1978 push second generation hmos ii confront own limit

hmos ii 2 micron scaling velocity saturation hot carrier wall, lateral field e_parallel breakdown 5v fixed voltage nmos limit, static dc power dissipation package thermal ceiling hmos cmos

Step 8 — Push HMOS Into a Second Generation (HMOS-II) and Confront Its Own Limit 1. The 2-Micron Push: Velocity Saturation and Hot-Carrier Avalanche When Intel pushed…

hmos 1978 compare nmos scaling path against parallel cmos path

hmos versus cmos power delay product density cost comparison, well spacing latchup penalty why nmos beat cmos in 1970s, chmos crossover point static dc power versus dynamic switching

Step 9 — Compare the NMOS Scaling Path Against the Parallel CMOS Path It Was Competing With 1. Why NMOS Dominated the 1970s: The Density and Cost Equation Despite CMOS’s inherent…

hmos 1978 classify what microprocessors inherit from hmos

hmos innovations inherited versus abandoned by cmos taxonomy, ion implantation silicide thin oxide legacy of hmos architecture, ratioed nmos 5v scaling abandoned for complementary cmos

Step 10 — Classify What Later Microprocessor Generations Inherit From HMOS 1. The Retrospective Taxonomy: Foundations Kept vs. Dead-Ends Abandoned Intel HMOS was the crucible…

hmos 1978 step 11 intel commercial context 8086 second source

intel needed a competitively clocked 16 bit microprocessor against the z8000 and 68000, fixed 5 volt rail compatibility as a business requirement not just a physics one

Step 11 — Place HMOS in Intel's Own 1978 Commercial Context 1. Ask Why Intel Needed a Faster NMOS Process at All, Rather Than Simply a Better One Steps 1 through 10 treated HMOS…

hmos 1978 step 12 confront lithography alignment tolerance limits

contact and proximity aligner registration error across nine mask levels, alignment margin tax on the second polysilicon layer density gain

Step 12 — Confront the 1978 Lithography Floor That Bounded Every Scaling Trick Above 1. Separate the Device-Physics Argument From the Equipment Argument Steps 1 through 8 argued…

hmos 1978 step 13 quantify static power dissipation

depletion load inverter static current while the output holds low, static power as a structural cost ratioed nmos logic can not remove

Step 13 — Quantify HMOS's Own Static Power Dissipation, the Cost CMOS Would Later Remove 1. Isolate the Term the Depletion-Load Inverter Can Never Turn Off Step 1 wrote dynamic…

hmos 1978 step 14 hot carrier reliability at hmos field levels

compounded peak field from a shorter channel and thinner oxide together, drain doping gradient traded against multi year threshold voltage drift budget

Step 14 — Qualify Hot-Carrier Reliability at HMOS's Own, Specifically Elevated Field Level 1. Distinguish This From the Generic 1970s Hot-Carrier Treatment Already in the Project…

hmos 1978 step 15 die cost yield economics second poly layer

yield penalty from three added mask levels in the double poly flow, cost per good die weighed against the layout area reduction

Step 15 — Price the Yield and Die-Cost Consequence of Step 6's Second Polysilicon Layer 1. State the Cost Step 6 Named but Did Not Quantify Step 6 of the base series redesigned…