2,905 technical terms and definitions
grown junction 1951 check contacted element, current gain verification before encapsulation, diode only vs transistor action test, grown junction transistor functional test
Check the Contacted Element: Where the Placement Gamble Finally Resolves Step thirty's placement probability and step thirty-one's alloy-zone forgiveness were both framed in terms…
grown junction 1951 classify and mark, electrical grade binning acceptance region, production code permanent marking, grown junction transistor grading tiers
Classify and Mark: Subdividing the Region Final Test Only Accepted or Rejected Final test drew a single boundary around the acceptance region — everything inside passes…
grown junction 1951 cut rectangular bars, radial dopant non uniformity czochralski, rotational striae crystal growth, grown junction transistor bar to bar variation
Cut Rectangular Transistor Bars: Radial Non-Uniformity, Not Just Axial Every segregation and drift calculation this process has used so far — zone refining, the melt-concentration…
grown junction 1951 cut section containing junctions, junction margin saw damage measurement uncertainty, coarse cut n p n sandwich, grown junction transistor junction isolation cut
Cut a Section Containing Both Junctions: Margin Against What the Cut Itself Damages Step twenty-one located both junctions electrically, but "located" means "known within some…
grown junction crosswise slicing, grown junction transistor cut plane, diamond saw kerf loss ingot, grown junction transistor slicing angle
Crosswise Slicing: Cutting Perpendicular to Read Out the Grown Structure Every slice taken perpendicular to the pull axis, anywhere along the completed ingot's length, is…
cmos direct address readout, serial conveyor vs parallel grid, image sensor reference diagram
CCD's Walking Potential Well vs. CMOS's Direct Address two different answers to reading a million-point grid through a handful of pins Backside illumination later undid CMOS's one…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, confront how light becomes charge in silicon
Confront How Light Becomes Charge in Silicon 1. Confront How Light Becomes Charge in Silicon Every image sensor, CCD or CMOS, starts from the same physical fact: a photon striking…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, define the photodiode and photogate as the basic sensing structures
Define the Photodiode and Photogate as the Basic Sensing Structures 2. Define the Photodiode and Photogate as the Basic Sensing Structures Two basic silicon structures turn…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, define why capturing a 2d image needed a readout scheme
Define Why Capturing a 2D Image Needed a Readout Scheme 3. Define Why Capturing a 2D Image Needed a Readout Scheme Sensing light at a point is only half the problem. A useful…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, trace boyle and smiths 1969 invention of the ccd at bell labs
Trace Boyle and Smith's 1969 Invention of the CCD at Bell Labs 4. Trace Boyle and Smith's 1969 Invention of the CCD at Bell Labs In September 1969, Willard Boyle and George Smith…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, define the charge coupling mechanism as a shifting potential well
Define the Charge-Coupling Mechanism as a Shifting Potential Well 5. Define the Charge-Coupling Mechanism as a Shifting Potential Well A CCD moves a packet of charge down a row…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, define frame transfer and interline transfer ccd architectures
Define Frame-Transfer and Interline-Transfer CCD Architectures 6. Define Frame-Transfer and Interline-Transfer CCD Architectures A full CCD imager needs the charge-coupling…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, confront blooming and smear and their structural fixes
Confront Blooming and Smear and Their Structural Fixes 7. Confront Blooming and Smear and Their Structural Fixes Two related artifacts dogged early CCD imagers. Blooming occurs…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, trace early ccd commercialization at fairchild and sony
Trace Early CCD Commercialization at Fairchild and Sony 8. Trace Early CCD Commercialization at Fairchild and Sony Fairchild Semiconductor shipped some of the first commercially…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, trace ccds in scientific and astronomical imaging including hubble
Trace CCDs in Scientific and Astronomical Imaging, Including Hubble 9. Trace CCDs in Scientific and Astronomical Imaging, Including Hubble Astronomy adopted CCDs earlier and more…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, trace ccds in consumer camcorders and early digital cameras
Trace CCDs in Consumer Camcorders and Early Digital Cameras 10. Trace CCDs in Consumer Camcorders and Early Digital Cameras Through the 1980s and 1990s, CCDs moved from Sony's…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, mark the 2009 nobel prize in physics for boyle and smith
Mark the 2009 Nobel Prize in Physics for Boyle and Smith 11. Mark the 2009 Nobel Prize in Physics for Boyle and Smith In 2009, the Nobel Prize in Physics recognized Willard Boyle…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, confront why ccds single output serial readout became a bottleneck
Confront Why CCD's Single-Output Serial Readout Became a Bottleneck 12. Confront Why CCD's Single-Output Serial Readout Became a Bottleneck The CCD's defining strength, walking…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, trace eric fossums active pixel sensor work at jpl
Trace Eric Fossum's Active-Pixel Sensor Work at JPL 13. Trace Eric Fossum's Active-Pixel Sensor Work at JPL In the early 1990s, Eric Fossum, working at NASA's Jet Propulsion…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, define the three transistor and four transistor cmos pixel
Define the Three-Transistor and Four-Transistor CMOS Pixel 14. Define the Three-Transistor and Four-Transistor CMOS Pixel The simplest practical implementation of Fossum's…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, define rolling shutter and global shutter readout tradeoffs
Define Rolling Shutter and Global Shutter Readout Tradeoffs 15. Define Rolling Shutter and Global Shutter Readout Tradeoffs A CMOS sensor reads one row at a time, because each row…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, confront the fill factor problem and the microlens fix
Confront the Fill-Factor Problem and the Microlens Fix 16. Confront the Fill-Factor Problem and the Microlens Fix Every transistor added to a CMOS pixel, the reset…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, define backside illumination as the deeper fix
Define Backside Illumination as the Deeper Fix 17. Define Backside Illumination as the Deeper Fix Backside illumination restructures where light enters a CMOS sensor chip…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, trace cmos integration advantage on chip adc and signal processing
Trace CMOS Integration Advantage: On-Chip ADC and Signal Processing 18. Trace CMOS Integration Advantage: On-Chip ADC and Signal Processing Because CMOS image sensors are…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, trace cmos takeover of camera phones and consumer cameras
Trace CMOS Takeover of Camera Phones and Consumer Cameras 19. Trace CMOS Takeover of Camera Phones and Consumer Cameras Camera phones, emerging in the early 2000s and exploding…
charge-coupled device, CMOS image sensor, active pixel sensor, photodiode, image sensor, close by naming where ccd and cmos sensors sit today
Close by Naming Where CCD and CMOS Sensors Sit Today 20. Close by Naming Where CCD and CMOS Sensors Sit Today Today, CMOS image sensors dominate almost every volume application…
segregation dopant surface cap removal nitride oxide
Push an anneal hot enough to fully activate a shallow, high-dose implant, and a second problem shows up: the bare silicon surface starts losing dopant too — boron and phosphorus…
mask rom addressing step 14 close by naming how, close by naming
Close by Naming How This Series Completes the Mask-ROM Picture 1. Name What Each of the Three Series Actually Covers Three series now cover mask-programmed read-only memory on…
mask rom addressing step 4 contrast maskrom row select, contrast maskrom row
Contrast Mask-ROM Row Select Against DRAM RAS/CAS and SRAM Word-Line/Bit-Line, Architecturally 1. Line Up Three Addressing Shapes Side by Side Three memory technologies in this…
mask rom addressing step 5 count the real weeks, count the real
Count the Real Weeks a Photomask Set Took to Design and Fabricate 1. Separate Mask Design From Mask Fabrication A mask-ROM bit pattern was not something an engineer could change…
multi-feature exposure defocus window, iso-dense bias overlap, reticle error impact, process window intersection
An overlapping process window (also termed common process window) is the intersection of individual Exposure-Defocus (E-D) process windows across all critical feature types…
power mosfet igbt step 1 bipolar power transistor base drive second breakdown, bipolar power transistor base drive second breakdown
Confront the Bipolar Power Transistor's Base-Drive and Second-Breakdown Limits 1. Confront the Bipolar Power Transistor's Base-Drive and Second-Breakdown Limits By the early…
power mosfet igbt step 11 power mosfet high voltage on resistance limit, power mosfet high voltage on resistance limit
Confront the Power MOSFET's On-Resistance Wall Above a Few Hundred Volts 11. Confront the Power MOSFET's On-Resistance Wall Above a Few Hundred Volts…
power mosfet igbt step 18 igbt switching speed tail current bipolar comparison, igbt switching speed tail current bipolar comparison
Compare IGBT Switching Speed Against the Bipolar Transistor It Replaces 18. Compare IGBT Switching Speed Against the Bipolar Transistor It Replaces The IGBT switches slower than…
power mosfet igbt step 20 igbt gan sic wide bandgap power devices, igbt gan sic wide bandgap power devices
Close by Naming Where IGBT Sits Beside Emerging GaN and SiC Devices 20. Close by Naming Where IGBT Sits Beside Emerging GaN and SiC Devices This series has told the VDMOS-to-IGBT…
projection lithography, projection lithography 1973
Confront Contact Printing's Mask-Damage Problem The original 1957-era photolithography process pressed the mask directly against the photoresist-coated wafer during exposure…
perkin elmer micralign, projection lithography 1973
Close by Naming the Modern Exposure Lineage Without Retelling This series has covered the 1973 shift from contact printing to projection alignment and exposure, anchored…
CMP removal rate ratio, planarization selectivity, polish selectivity, CMP dishing erosion
CMP selectivity is the ratio of removal rates between two materials during chemical mechanical planarization and is the parameter that determines whether CMP can clear one film…
dual damascene, copper interconnect, damascene process flow, barrier seed layer, copper cmp
Copper dual damascene interconnect architectures, electrochemical superfilling, and barrier-seed metallization constitute the back-end-of-line (BEOL) wiring systems that route…
shared memory, cache, scratchpad
Cache memory is a small, fast storage hierarchy placed near compute units to keep recently used instructions and data from repeatedly traveling to slower, more energy-intensive…
nanosheet release etch inner spacer, gaafet sige selective etch, suspended nanosheet stiction
SiGe Selective Etch and Nanosheet Channel Release A gate-all-around transistor gets its name from the gate wrapping completely around the channel on all four sides, but…
sram six transistor step 1 confront the refresh free requirement, sram refresh free static storage
Confront the Refresh-Free Requirement DRAM's 1T1C Cell Could Not Satisfy 1. Confront the Refresh-Free Requirement DRAM's 1T1C Cell Could Not Satisfy Dynamic RAM's…
sram six transistor step 3 six transistor cell topology, six transistor sram cell topology
Count the Six Transistors: Four for the Latch, Two for Access 3. Count the Six Transistors: Four for the Latch, Two for Access The cross-coupled pair from Step 2 is a complete…
sram six transistor step 7 speed advantage no refresh, sram speed advantage over dram
Compare SRAM's Speed Advantage: No Refresh, No Destructive Readout 7. Compare SRAM's Speed Advantage: No Refresh, No Destructive Readout SRAM is faster than DRAM for reasons that…
sram six transistor step 13 bit line capacitance sense margin, sram bit line capacitance sense margin
Confront Bit-Line Capacitance and Sense-Margin at Small Geometries 13. Confront Bit-Line Capacitance and Sense-Margin at Small Geometries The same shrinkage that tightens…
sram six transistor step 19 sram leakage wall finfet, sram leakage wall deep submicron finfet
Confront SRAM's Own Leakage Wall in the Deep-Submicron and FinFET Eras 19. Confront SRAM's Own Leakage Wall in the Deep-Submicron and FinFET Eras The static-power concern named…
sram six transistor step 20 three way memory hierarchy closing, sram dram flash memory hierarchy
Close the Series: Name the Three-Way Memory Hierarchy SRAM Completes 20. Close the Series: Name the Three-Way Memory Hierarchy SRAM Completes This series has told SRAM's own…
wearout mechanism competition, mission profile reliability qualification, reliability guardbanding cmos
Competing Wearout Mechanisms in CMOS A chip doesn't age from a single degradation process — NBTI, hot carrier injection (HCI), time-dependent dielectric breakdown (TDDB)…
A clock tree is the branching network of buffers and wiring that distributes a chip's clock signal from a single source out to every one of its millions of clocked circuit…
A context window is the maximum amount of text, measured in tokens, that a language model can consider at once when generating a response, encompassing everything from…