more than moore
business & strategy
More than Moore is a strategy that creates value through functional diversification, system integration, and packaging innovation beyond pure transistor scaling - It is a core…
2,310 technical terms and definitions
business & strategy
More than Moore is a strategy that creates value through functional diversification, system integration, and packaging innovation beyond pure transistor scaling - It is a core…
reinforcement learning advanced
MOREL is a model-based offline RL method that penalizes uncertain model regions during planning - A learned dynamics model supports policy optimization while uncertainty penalties…
chemistry ai
Morgan Fingerprints are the dominant open-source implementation of Extended Connectivity Fingerprints (ECFP) popularized by the RDKit software library, functioning as circular…
nlp
Morphological Analysis is the process of analyzing the structure of words based on their root forms, prefixes, suffixes, and inflections — critical for handling morphologically…
morphological analysis tagging, morphological analysis, analysis tagging
Morphological Analysis Tagging Introduction & Motivation Morphological Analysis Tagging addresses a central problem in nlp process control and pos-tagging-part-of-speech…
morphological computation embodiment, morphological computation, computation embodiment
Morphological Computation Embodiment Introduction & Motivation Morphological Computation Embodiment addresses a central problem in robotics process control…
morphologically rich language, morphologically rich, rich language
Morphologically Rich Language Introduction & Motivation Morphologically Rich Language addresses a central problem in nlp process control and morphological-complexity-analysis…
moscap test structure, mos capacitor cv test, gate oxide cv structure
Capacitance–voltage measurement converts the bias-dependent charge response of a semiconductor structure into information about dielectric capacitance, flat-band voltage…
mos, signal & power integrity, moscap, gate decap, pdn
Power Distribution Networks and on-chip power grid architectures constitute the physical and electrical infrastructure engineered to deliver stable supply voltages and ground…
bell labs 1962 kahng atalla thermal oxide interface, mos transistor 1962 shockley 1947 attempt now works, silicon mosfet 1962 gate oxide passivation breakthrough
Why a Field Effect, Attempted Since 1947, Finally Works: The Surface-State Problem Bardeen Found While Looking for It 1. Why a Voltage on a Gate Electrode Used to Do Almost…
bell labs 1962 oxide thickness tunneling leakage tradeoff, mos transistor 1962 same oxide new functional role, silicon mosfet 1962 gate dielectric not diffusion mask
Grow a Thermal Oxide as the Gate Insulator, Not Just a Mask: The Same Furnace, a Far Tighter Number 1. Why a Technique That Only Ever Needed to Clear a Minimum Now Needs an Exact…
bell labs 1962 symmetric terminals interchangeable source drain, mos transistor 1962 two diffusions not base emitter pair, silicon mosfet 1962 channel length window spacing
Define Source and Drain by Diffusion Through Oxide Windows: Two Identical Regions, Not a Base and an Emitter 1. Why This Device's Two Diffused Regions Don't Need Different Names…
bell labs 1962 aluminum gate alignment tolerance overlap, mos transistor 1962 gate must cover entire channel, silicon mosfet 1962 overlap capacitance parasitic new
Deposit and Pattern the Metal Gate Electrode Over the Channel: A Margin That Must Exist, and a Cost for Every Bit of It 1. Why the Gate Must Be Wider Than the Channel It Controls…
bell labs 1962 strong inversion band bending condition, mos transistor 1962 below threshold device stays off, silicon mosfet 1962 gate voltage concept bipolar never needed
Confront the Threshold Voltage: A Turn-On Voltage That Has Nothing to Do With a Diode 1. Why the Gate Must First Push Majority Carriers Away Before It Can Pull Minority Carriers…
bell labs 1962 cv curve three regimes measured directly, mos transistor 1962 capacitance reveals what iv cannot, silicon mosfet 1962 minimum capacitance confirms inversion
Verify the Channel Inverts: Measuring the MOS Capacitor's C-V Curve 1. Why a Capacitance Measurement Proves What a Simple Electrical Test Cannot This step verifies Step 5's three…
bell labs 1962 sodium ions drift under gate field bias, mos transistor 1962 clean oxide alone was not enough, silicon mosfet 1962 bias temperature stress reveals drift
Confront Mobile-Ion Contamination: A Threshold Voltage That Can Drift After the Device Is Finished 1. Why a Device That Passes Every Earlier Test Can Still Fail Later This step…
bell labs 1962 triode saturation regions two equations one device, mos transistor 1962 current controlled by voltage not current, silicon mosfet 1962 pinch off channel current saturates
Measure the Square-Law Drain Current Characteristic: Controlled by a Voltage, Not a Current 1. Why This Device's Output Curves Don't Look Like Anything Bipolar This step sweeps…
bell labs 1962 gate capacitance slower but draws no current, mos transistor 1962 loses on speed wins on density power, silicon mosfet 1962 epitaxial transistor same year compared
Qualify Switching Speed Against the Epitaxial Bipolar Transistor Just Completed: Losing One Comparison, Winning a Different One 1. Why the Same Test That Proved 1961's Improvement…
bell labs 1962 density power not speed the winning axis, mos transistor 1962 insulated gate field effect finally works, silicon mosfet 1962 voltage controlled family industry standard
Classify and Release: A Second, Fundamentally Different Transistor Family Enters Production 1. Why This Device Doesn't Need to Win the Comparison It Just Lost This closing step…
atalla kahng 1959 1960 mosfet first working device, mos transistor named inventors bell labs
Name Atalla and Kahng: the 1959-60 Bell Labs Demonstration This Series Never Credited Directly 1. A Decade of Anonymous Progress, Finally Given Two Names Step 1 of this series…
rca first commercial mos transistor 1962, hofstein heiman practical mosfet
RCA's Hofstein and Heiman Ship First: Turning a Lab Demonstration Into a Sellable Part 1. The Gap Between a Demonstration and a Part A device that works once, in one lab, under…
three simultaneous mos programs 1962, early mos competitive landscape
Fairchild and Bell Labs Were Not Idle: Three Simultaneous MOS Programs, One Winner to Market 1. A Race With Three Runners, Not One By 1962, Bell Labs, Fairchild, and RCA all had…
fixed oxide charge early mosfet constraint, why early mos was pmos
Confront Why Only PMOS Was Reliable in 1962: a Fixed Oxide Charge This Series Has Not Yet Named 1. A Constraint Steps 2-10 Worked Around Without Naming Every working MOS device…
early mosfet yield cost 1962 1963, mos vs bipolar manufacturing cost
Measure the Yield Economics: Why a Simpler Device Did Not Mean a Cheaper One Yet 1. Fewer Process Steps, Not Yet Fewer Defects A MOS transistor needs fewer photomasking…
mos business case despite lower yield, why rca sold mos anyway
Make the Business Case Anyway: High Input Impedance and Low Power, Even at a Yield Cost 1. A Case That Did Not Depend on Winning the Yield Argument If yield economics alone…
mos fab cleanliness practices 1960s, industry wide response threshold drift
The Sodium Problem Becomes an Industry Problem: How Fabs Responded, Not Just How It Was Discovered 1. From a Discovered Defect to a Standard Practice This series' Step 7 already…
rca mosfet calculator instrumentation use, first mos products 1963
Name the Early Commercial Parts: Where RCA's MOSFETs Actually Shipped 1. Products, Not Just a Device A device is a laboratory result until something ships with it inside; RCA's…
fairchild internal mos process development, handoff to silicon gate process 1967
Name What Fairchild Was Already Building: the Process Work This Series Hands Off, Without Retelling 1. A Real Thread, Not a Forced One Step 13 of this extension already named…
mosfet 1962 legacy summary, classify single channel mos extension close
Close This Extension: a Commercially Difficult Device That Still Changed What Was Possible 1. An Honest Final Accounting This extension has told a more complicated story than Step…
mosfet operation, field effect transistor, mosfet
The MOSFET is where the critical dimension finally stopped being set by anything physical at all. The point-contact transistor measured its critical gap with a steady hand and…
mosfet body diode reverse recovery prediction, mosfet body diode, body diode reverse, diode reverse recovery, reverse recovery prediction, mosfet body, body diode, diode reverse
MOSFET Body Diode Reverse Recovery Prediction with Machine Learning Introduction & Motivation MOSFET Body Diode Reverse Recovery Prediction with Machine Learning addresses…
nmos pmos cmos transistor, threshold voltage channel control, short channel effects scaling, finfet gaa mosfet evolution
Gate-All-Around (GAA) nanosheet field-effect transistors, Multi-Bridge Channel FETs (MBCFET), and vertically stacked ribbon architectures constitute the advanced three-dimensional…
mosfet modeling, threshold voltage, drain current, NMOS PMOS, short channel effects, subthreshold, device physics equations, BSIM, compact model, MOSFET I-V, transconductance
The metal-oxide-semiconductor field-effect transistor is the foundational active device in modern integrated circuits, and every aspect of its behavior can be captured…
mosfet scaling 1970s step 10 adopt implant vt adjust, adopt implant vt adjust
MOSFET Scaling (1970s): Step 10 — Adopting Ion Implantation for Vt Adjustment A shallow, dose-controlled dopant step solves the precision and dual-polarity problems at once. Ion…
mosfet scaling 1970s step 6 adopt self aligned polysilicon gate, adopt self aligned polysilicon gate
MOSFET Scaling (1970s): Step 6 — Adopting the Self-Aligned Polysilicon Gate The single process change that unlocked most of a decade of channel-length scaling. The self-aligned…
mosfet scaling 1970s step 2 apply dennard constant field scaling, apply dennard constant field scaling
MOSFET Scaling (1970s): Step 2 — Applying Dennard Constant-Field Scaling The 1974 rule set that turned ad hoc shrinks into a repeatable discipline. Robert Dennard, Fritz…
mosfet scaling 1970s step 15 bound subthreshold leakage current, bound subthreshold leakage current
MOSFET Scaling (1970s): Step 15 — Bounding Subthreshold Leakage Current Off-state current stops being negligible once threshold margins tighten. A MOSFET nominally 'off' below…
mosfet scaling 1970s step 17 confront interconnect scaling mismatch, confront interconnect scaling mismatch
MOSFET Scaling (1970s): Step 17 — Confronting the Interconnect Scaling Mismatch Wires do not get faster the way transistors do. Dennard scaling predicts device delay improves…
mosfet scaling 1970s step 1 confront planar nmos scaling pressure, confront planar nmos scaling pressure
MOSFET Scaling (1970s): Step 1 — Confronting Planar NMOS Scaling Pressure Why 1970s MOS logic could not simply keep using 1960s geometries. By the early 1970s, planar NMOS had…
mosfet scaling 1970s step 13 confront velocity saturation limit, confront velocity saturation limit
MOSFET Scaling (1970s): Step 13 — Confronting the Velocity Saturation Limit The assumption Dennard's own paper flagged as eventually breaking. Dennard-style scaling assumes…
mosfet scaling 1970s step 9 control threshold voltage fundamentals, control threshold voltage fundamentals
MOSFET Scaling (1970s): Step 9 — Threshold Voltage Control Fundamentals Why Vt had to be set deliberately rather than inherited from doping alone. Threshold voltage, V_t, is…
mosfet scaling 1970s step 11 design depletion load nmos pair, design depletion load nmos pair
MOSFET Scaling (1970s): Step 11 — Designing the Depletion-Load NMOS Pair How enhancement switch plus depletion load became the standard 1970s NMOS logic cell. With independent…
mosfet scaling 1970s step 7 develop locos field isolation, develop locos field isolation
MOSFET Scaling (1970s): Step 7 — Developing LOCOS Field Isolation Recessed, selectively grown oxide replaces simple thick-field-oxide isolation. As transistor density rose…
mosfet scaling 1970s step 16 implement channel stop punchthrough control, implement channel stop punchthrough control
MOSFET Scaling (1970s): Step 16 — Implementing Channel-Stop and Punchthrough Control Two related leakage paths that scaling opened up between and within devices. Beyond…
mosfet scaling 1970s step 18 integrate scaling rules into manufacturable flow, integrate scaling rules into manufacturable flow
MOSFET Scaling (1970s): Step 18 — Integrating Scaling Rules Into a Manufacturable Flow Turning nine separate fixes into one coherent, repeatable process. By the mid-to-late 1970s…
mosfet scaling 1970s step 14 manage hot carrier degradation, manage hot carrier degradation
MOSFET Scaling (1970s): Step 14 — Managing Hot-Carrier Degradation High-field carriers start damaging the gate oxide they pass beneath. The same high longitudinal fields that…
mosfet scaling 1970s step 5 push channel length against litho limits, push channel length against litho limits
MOSFET Scaling (1970s): Step 5 — Pushing Channel Length Against Lithography Limits Mask alignment tolerance became the hard floor on channel length. Channel length is defined…
mosfet scaling 1970s step 19 push toward one micron node metrology, push toward one micron node metrology
MOSFET Scaling (1970s): Step 19 — Pushing Toward the 1-Micron Node, Metrology Limits Measurement control becomes as hard a problem as process control. As the integrated flow…
mosfet scaling 1970s step 3 rederive supply voltage under scaling, rederive supply voltage under scaling
MOSFET Scaling (1970s): Step 3 — Re-Deriving Supply Voltage Under Scaling Why dropping V_DD was the hardest part of the rule set to adopt. Of all the Dennard-rule parameters…
mosfet scaling 1970s step 20 set stage for fixed voltage scaling break, set stage for fixed voltage scaling break
MOSFET Scaling (1970s): Step 20 — Setting the Stage for the Fixed-Voltage Scaling Break Where this series ends and the next scaling era begins. This series has tracked 1970s…