Test and Packaging
pick-and-place accuracy, packaging
Test and packaging turn a completed wafer into a dependable product. Fabrication creates transistors and interconnect, but it does not prove that every die works, connect the die…
145 technical terms and definitions
pick-and-place accuracy, packaging
Test and packaging turn a completed wafer into a dependable product. Fabrication creates transistors and interconnect, but it does not prove that every die works, connect the die…
tape and reel packaging quality and pull force prediction with machine learning, tape reel packaging quality pull force prediction machine learning, tape reel
Tape and Reel Packaging Quality and Pull-Force Prediction with Machine Learning Introduction & Motivation Tape and Reel Packaging Quality and Pull-Force Prediction with Machine…
gdsii, foundry, sign-off, verification, fabrication
Tape-out is the moment a completed chip layout leaves the design team and becomes a manufacturing order at the foundry. It is a technical checkpoint and a business commitment.…
packaging
Tape width is the overall width of carrier tape used to package electronic components for feeder compatibility and pocket sizing - it determines which feeder hardware can run…
tapeout signoff, gdsii signoff, chip tapeout flow, final signoff checklist
Tapeout Methodology and Signoff is the rigorous multi-step verification and validation process that a chip design must pass before the final GDS-II layout data is released to…
tarc, top arc, top anti-reflective coating, top antireflective coating, swing curve suppression, immersion topcoat, lithography
Top anti-reflective coating is a thin, transparent fluoropolymer or water-soluble organic film applied directly onto the top surface of a photoresist layer prior to lithographic…
technology cad, sentaurus, silvaco, scharfetter gummel, mesh convergence, band gap narrowing, tcad calibration, device tcad, process tcad, tcad modeling, semiconductor device modeling
Technology computer-aided design solves the semiconductor device equations — Poisson's equation coupled to the electron and hole continuity equations — on a discrete mesh, and its…
tem, transmission electron microscopy, metrology
Transmission electron microscopy (TEM) provides sub-angstrom resolution imaging of semiconductor device cross-sections, enabling atomic-level characterization of transistor…
high-temperature bake, packaging, thermal process
High-temperature bake is the shorter-duration moisture-removal process using elevated temperatures for rapid drying of qualified packages - it is used when components and carriers…
on die thermal sensor, thermal diode, thermal management chip, pvt monitor
On-Die Temperature Sensors and PVT Monitors are the integrated measurement circuits distributed across the chip that continuously monitor die temperature, supply voltage…
advanced packaging
Temporary Bonding is a reversible wafer bonding process that attaches a device wafer to a rigid carrier wafer using a removable adhesive — providing mechanical support during…
advanced packaging
Temporary bonding for thinning is the process of attaching a device wafer to a carrier substrate with a removable adhesive to support ultra-thin backside processing - it enables…
tetraethyl orthosilicate, teos cvd deposition, pecvd teos film, teos gap fill, teos etch rate
TEOS-Based Silicon Dioxide Deposition is the use of tetraethyl orthosilicate (Si(OC₂H₅)₄) as a precursor gas for low-pressure CVD (LPCVD) or plasma-enhanced CVD (PECVD) oxide…
teos deposition uniformity drift prediction machine learning, teos deposition, uniformity drift prediction, cmp pecvd rf teos, teos deposition uniformity drift prediction
TEOS Deposition Uniformity Drift Prediction with Machine Learning Introduction & Motivation TEOS Deposition Uniformity Drift Prediction with Machine Learning addresses a central…
THz ellipsometry, terahertz time-domain ellipsometry, THz-TDE, terahertz spectroscopic ellipsometry, magneto-terahertz ellipsometry, terahertz conductivity metrology
Terahertz ellipsometry measures polarization change at frequencies where mobile carriers, soft lattice modes, collective excitations, and low-energy dielectric relaxation can…
thz transistor cutoff frequency, thz gap detector emitter, thz imaging spectroscopy, inp gaas thz
Wide bandgap (WBG) power semiconductors, gallium nitride (GaN) High-Electron-Mobility Transistors (HEMT), and silicon carbide (4H-SiC) power MOSFETs constitute the foundational…
test, can you test, testing services, wafer sort, final test
Testing is how a fab proves a chip actually works before it ships — and critically, it happens twice, at two very different stages, because catching a bad die early is far cheaper…
thermal simulation, junction temperature, thermal hotspot, chip thermal design
Chip Thermal Analysis is the simulation and modeling of heat generation and dissipation across a chip to identify thermal hotspots, validate junction temperature limits…
thermal simulation IC, hotspot analysis, thermal aware placement
Thermal Analysis in Chip Design is the simulation and optimization of temperature distribution across an IC die under realistic workloads, identifying hotspots causing timing…
thermal floorplan, hotspot mitigation, on chip thermal, thermal analysis chip
Thermal-Aware Physical Design is the floorplanning and placement methodology that considers heat generation and dissipation during chip layout to prevent thermal hotspots that…
thermal hotspot mitigation, thermal analysis placement, power density thermal, on-chip temperature sensor
Thermal-Aware Physical Design is the IC design methodology that considers temperature distribution during placement, routing, and floorplanning — mitigating thermal hotspots…
thermal hotspot mitigation, thermal driven placement, thermal analysis physical design, on chip temperature estimation
Thermal-Aware Physical Design is the methodology of incorporating thermal analysis and optimization into the physical implementation flow to prevent excessive on-chip temperatures…
thermal chemical vapor deposition, thermally activated cvd, pyrolytic cvd, heat-driven cvd, heat driven cvd, hot-wall cvd, cold-wall cvd, thermal deposition, cvd
Thermal chemical vapor deposition (thermal CVD) uses substrate and reactor heat—rather than plasma bombardment—to activate gas-phase precursors and form a solid film at…
resistive evaporation, boat evaporation, filament evaporation, evaporation source, evaporation rate control, hertz-knudsen, vapor pressure deposition, alloy fractionation, crucible contamination, lift-off metallization, knudsen cell, pvd
Thermal evaporation is the only deposition technique in a fab where the operator does not set the deposition rate — the operator sets a temperature, and the rate is whatever…
tim, thermal paste, heat spreader, chip thermal resistance, junction to case resistance
Thermal Interface Materials (TIMs) and Heat Spreading is the thermal management technology that fills the microscopic air gaps between heat-generating semiconductor dies and heat…
heat dissipation stacked dies, tsv thermal resistance, microfluidic cooling semiconductor, thermal interface material chiplet, 3d ic cooling challenges
Thermal management is the problem 3D-stacked chiplets create by solving the interconnect-distance problem so well, and it's the one packaging challenge every earlier entry in this…
thermal interface material tim, hotspot cooling die, 3d ic thermal challenge, heat spreader lid design
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…
chip cooling, liquid cooling, thermal interface material, heat spreader, thermal management in 3d
thermal management is the engineering of heat flow from active junctions to ambient or coolant so temperature remains within performance and reliability limits. AI accelerators…
hotspot mitigation, chip thermal design, thermal interface material, semiconductor heat dissipation
Thermal Management in Semiconductors is the engineering discipline of controlling heat generated by transistor switching and interconnect resistance — ensuring junction…
junction temperature measurement, thermal resistance, heat spreader design, thermal interface material
Thermal Management is the engineering discipline that controls heat generation and dissipation in semiconductor devices — using thermal interface materials, heat spreaders, heat…
thermal resistance chip-to-case prediction, thermal resistance chip-to-case, resistance chip-to-case prediction, thermal resistance, resistance chip-to-case
Thermal Resistance Chip-to-Case Prediction with Machine Learning Introduction & Motivation Thermal Resistance Chip-to-Case Prediction with Machine Learning addresses a central…
bjt temperature sensor, ring oscillator temperature, thermal management circuit, dtm dynamic thermal management
Thermal Sensor and Management Circuits are on-chip temperature measurement and control systems that monitor junction temperature at multiple die locations and trigger throttling…
advanced packaging
Thermal Slide Debonding is a wafer separation technique that softens a thermoplastic adhesive by heating and then slides the carrier wafer horizontally off the device wafer…
packaging
Thermal slug is the high-conductivity metal element embedded in a package to spread and conduct heat away from active silicon - it improves thermal resistance and supports higher…
thermal management
Thermal Test Chip is an integrated test die with heaters and sensors used to evaluate on-chip thermal behavior - It provides direct characterization of hotspot response…
thermal wave implant dose metrology correlation prediction, thermal wave implant, wave implant dose, implant dose metrology, dose metrology correlation
Thermal Wave Implant Dose Metrology Correlation Prediction with Machine Learning Introduction & Motivation Thermal Wave Implant Dose Metrology Correlation Prediction with Machine…
thermal wave metrology drift prediction, thermal wave metrology, wave metrology drift, metrology drift prediction, thermal wave, wave metrology, metrology drift, drift prediction
Thermal Wave Metrology Drift Prediction with Machine Learning Introduction & Motivation Thermal Wave Metrology Drift Prediction with Machine Learning addresses a central problem…
advanced packaging
Thermocompression Bonding (TCB) is a solid-state bonding technique that joins two metal surfaces by applying simultaneous heat and mechanical pressure — causing atomic…
packaging
Thermode bonding is the localized thermocompression bonding method that applies heat and pressure through a heated tool to join fine-pitch interconnect materials - it is commonly…
pvd sputtering, cvd process, ald deposition, film deposition semiconductor
Thin Film Deposition is the process of depositing layers of material ranging from a few angstroms to several micrometers thick onto semiconductor wafers — building up…
intrinsic stress, thermal stress, wafer bow, film stress measurement
Thin Film Stress is the mechanical stress stored in deposited films due to lattice mismatch, thermal expansion differences, or growth kinetics — causing wafer bow, film cracking…
tqfp, packaging
Thin QFP is the reduced-thickness quad flat package designed to lower package height while preserving four-side lead access - it is used where product thickness constraints are…
tssop, packaging
Thin shrink small outline package is the leaded SMT package that combines reduced body width and reduced thickness for compact electronic assemblies - it is commonly selected…
tsop, packaging
Thin small outline package is the low-profile two-side leaded package derived from SOIC architecture for reduced z-height applications - it enables thinner product stacks while…
metrology
Spectroscopic ellipsometry and inline optical wafer metrology constitute the non-destructive physical measurement and defect detection disciplines that govern yield control across…
tgv packaging, glass substrate, glass interposer, glass core packaging
Through-Glass Via (TGV) Technology is the advanced packaging approach using glass substrates with laser-drilled vertical interconnects — offering superior electrical properties…
packaging
Through-hole mounting is the assembly method where component leads are inserted through PCB holes and soldered on the opposite side - it remains important for mechanically…
tiv, advanced packaging
Through-Interposer Via (TIV) is a vertical electrical connection that passes completely through a silicon or organic interposer — connecting the chiplets mounted on the top…
business & strategy, tsv, 3d packaging, hbm
Through-Silicon Vias are the vertical conductive interconnect pillars that traverse the bulk silicon substrate to establish high-density, low-latency electrical connections…
advanced packaging, tsv reveal, wafer thinning, backgrind
Through-Silicon Vias are the vertical conductive interconnect pillars that traverse the bulk silicon substrate to establish high-density, low-latency electrical connections…