Semiconductor/Solid-State Device Testing/Measurement TRIZ Cases

A dark field inspection tool detects scattered light from overlay marks to improve image contrast and measurement accuracy.

Inline testing applies high test voltage to measure leakage current, identifying defects without damaging other components.

Rocksalt phase CaS Schottky diode detects UV radiation with high visible rejection, eliminating false alarms from exhaust fumes in car parks.

A metrology apparatus emits incident light beams at semiconductor substrates to detect reflected spectra and determine layer thickness.

A protective layer prevents over-etching at the Si-STI interface, reducing silicon loss and ensuring uniform SiGe thickness.

A laser groove and chemical cutting method modifies metal ductility to prevent burr formation during plate workpiece processing.

Aligning a metal layer mask with a poly-silicon layer forms GOI detection patterns, reducing alignment errors and resource waste in VDMOS fabrication.

Narrowing intermediate inter-chip interconnect portions improves dicing readiness while wider connection ends maintain low impedance.

A redistribution via fills a hole through an insulating layer to expose connection pads for semiconductor chip manufacturing.

Applying floating potential to signal terminals isolates measurements from hardware loads, enabling detection of crystal defects and aluminum spiking.

Cavities in 3D integrated structures enable electrical resistance measurement between metallic lines to estimate diffusion length without destroying the device.

Segmented distribution units route test signals through switch elements, reducing wiring complexity and vertical display unevenness.

Intelligent weak pattern diagnosis system screens defect libraries to identify systematic defects, resolving early detection bottlenecks that limit yield rates.

Alignment mark recesses on epitaxial layers enable precise offset measurement of semiconductor wafer features.

Calibrating exhaust valve openings via inert gas flow data resolves film uniformity variations across individual processing chambers.

Segmenting optical measurements resolves the contradiction between critical dimension precision and stochastic damage detection in dual damascene structures.

Electron-based metrology detects overlay errors with high resolution, reducing silicon area usage.

An organic insulating layer reduces contact area between resin and passivation films, suppressing separation defects while maintaining sealing integrity.

A segmented radiation-emitting layer targets specific integrated circuit regions to measure individual soft-error rates.

A multi-chip package memory repair control method applies stack signals and repair signals to replace failed dies.

Eddy current and surface photovoltage methods measure bulk and surface resistivity to calculate dopant contamination levels.

An abnormality portent detection system calculates parameter contribution rates to identify consumable part degradation before failure.

Multi-step voltage and temperature stress screening detects latent defects in III-N devices, reducing burn-in time while preventing early-life failures.

Angled line-and-space marks resolve alignment precision limits in imprint processes by measuring overlay misalignment through moiré interference patterns.

A substrate processing method adjusts pre- and post-processing conditions using correction residual amounts calculated from measured characteristic values.

A chemical liquid supply device separates fluids by density in a trapping part to enable heat transfer while preventing mixing that causes process failures.

Segmented low-mass curvilinear connectors isolate thermal expansion from solder joints, preventing fracturing while maintaining electrical conductivity.

Auxiliary pattern breaks symmetry in test structures to detect misalignments and improve metrology precision.

A semiconductor mask inspection method segments patterns to apply die-to-die and die-to-database comparisons for targeted defect detection.

Proxy structure measurements feed a trained model to estimate edge placement error and overlay, enabling real-time process corrections.

Independent substrate and injector rotation creates epicyclical gas trajectories across the wafer surface.

A virtual metrology system normalizes manufacturing data sets to enable statistical compatibility across different semiconductor processes.

Neural networks predict near-optimal fixed parameters from spectra, avoiding exhaustive grid searches that waste time and cause local minima.

Group semiconductor wafers by process parameter measurements to enable batch processing with customized recipes.

A virtual metrology system predicts critical dimensions using mathematical models and feedforward data from substrate processing sensors.

An overlay target with overlapping periodic structures eliminates propagative diffraction in reflection to resolve measurement instability in thick stacks.

Segmented test regions isolate bridge causes from other shorts, enabling precise diagnosis of static memory cell defects.

A polymer layer surrounds die and wafer bonding pads, filling voids to resolve surface uniformity issues.

A wafer level marking system uses a support tape to mount ultra-thin wafers for laser processing.

A segmented heater assembly uses a sensitivity matrix to adjust zone temperatures, resolving temperature uniformity trade-offs in batch processing chambers.

A protected chip-scale package pad structure uses a bridge to connect two pads, exposing one for testing while keeping the other covered.

This method suppresses pattern width variations from CMP unevenness by calculating processing data that adjusts active species concentration across the substrate.

A partial backside metal groove guides laser singulation, preventing substrate damage and reducing re-deposition of backside metal.

Decomposes wafer geometry-induced overlay errors into distinct components to improve measurement precision.

Segmented light sources with shielding structures minimize light leakage between pixels while maintaining low power consumption.

A three-dimensional metrology target design with orthogonally arranged lines and trenches enables precise scatterometry data collection.

Inspection apparatus captures scattered radiation to infer process variations across target structures.

A substrate processing method reprocesses interrupted wafers by setting them in a standby state and automatically selecting customized recipes.

Blue light excites fluorescent feedback from epoxy resin contaminants on circuit boards, eliminating hazardous UV exposure and expensive analytical techniques.