Semiconductor/Solid-State Device Testing/Measurement TRIZ Cases

Varying anodic oxidation potentials profile electrical properties through graded semiconductor films with sub-nanometer depth resolution.

Pivotable reflectors scan heating radiation across the substrate to correct temperature non-uniformity and reduce chamber downtime.

Cross-seam line features and test structures enable reliable metallization routing across stitched reticle fields despite registration error.

Offset first pads and RDL-based second pads enable low- and high-speed semiconductor testing with one probe card, cutting test time and cost.

Optical interference and Fourier phase extraction measure wafer temperature directly, improving process stability when wafer and stage temperatures differ.

Dual-channel imaging and 90-degree carrier rotation enable automated four-side semiconductor inspection with higher throughput and no manual changeover.

Multiple PCD measurements at varying surface charge densities separate bulk and surface recombination lifetimes for more accurate wafer evaluation.

Hydrogen implantation and annealing reveal differential carrier concentration, enabling fast carbon evaluation and steadier hydrogen donor control.

Built-in wafer storage lets filler and test wafers move directly to the wafer boat, cutting transfer time and preserving cassette capacity.

Testing pads placed in the scribe line enable pre-bond electrical checks, then are removed during sawing to save interposer area.

Pre-formed scribe trenches and wafer expansion limit laser splash, protect active circuitry, and expose damaged dies before packaging.

Fixed gate-contact pitch progression improves process window control and leakage current analysis in dense semiconductor layouts.

A metrology area that mimics device-layer interactions enables more accurate optical overlay error measurement and mask alignment correction.

Integrated test circuits in CoWoS redistribution layers verify LSI placement early, reducing leakage risk, yield loss, and packaging waste.

A spot-beam implantation map corrects epitaxial wafer doping variation by adjusting scan speed to improve uniformity and device reliability.

A temporary coating holds dies for inspection and clean removal before annealing restores hybrid bonding strength and yield.

Height-based vacuum control matches chuck pressure to each substrate, improving fixation stability while reducing breakage risk.

Segment masks and image metrics raise wafer inspection sensitivity while preserving throughput for predictive process control.

Insulated extension pads and spacers let display substrate signal lines cross cutting channels without shorts, improving test reliability.

By combining liquid-seal and transparent-window sensor spectra, this case extends optical wavelength coverage for accurate in-process CMP film-thickness measurement.

OBIRCH rough location plus conductive plating and FIB cross-sections improve weak short-circuit defect detection accuracy and analysis efficiency.

An isolation layer decouples a probe station platform from external vibrations to minimize relative motion and keep optical probes aligned.

Planarized metal, dielectric buildout, and recessed pad cavities restore bonding flatness after probe damage, improving hybrid bonding yield.

Stacking memory, decoder, buffer, and voltage-generator dies enables diverse non-volatile memory designs with lower process cost.

Sensors inspect both sides of an IC substrate at once while KOZ-based handling avoids flipping, contamination, and damage.

By sharing pads between adjacent resistors, this four-terminal test layout preserves resistance accuracy while reducing wafer area and pad count.

A segmented wafer saw path preserves testing pads during die singulation, improving stacked semiconductor packaging yield and reliability.

By linking alkali and abrasive concentrations to the M/C ratio, this case improves wafer flatness while reducing carrier plate wear and test time.

A covered, planarized test pad protrusion enables EDS testing while preventing contamination and bonding defects in stacked semiconductor packages.

Simulation-guided bandgap and subcell tuning improves four-junction space solar cell efficiency after radiation and high-temperature exposure.

A hollow-core light pipe measures contact-to-pillar tilt and misalignment quickly and non-destructively in semiconductor manufacturing.

A buried conductive line tracks resistance changes to detect cracks beneath interconnects and inside the semiconductor substrate.

A membrane-isolated magnetic sensor tracks sinusoidal carrier position in vacuum without disrupting magnetic levitation and substrate transport.

Multiple reflected light passes boost weak signals in transparent workpieces, enabling faster and more accurate optical measurement across locations.

Injection-molding the frame around current sensor parts enables pre-assembly testing, cutting waste, rework, and integration cost.

Calibrated fiducial markers and imaging detect wafer-to-edge-ring offset and tilt to keep process exclusion areas uniform and protect die yield.

A deep-buried conductive region extends crack sensing below M1, enabling early detection of substrate and interconnect cracks in chips.

Multiple underside contact points near the wafer edge keep bowed wafers level and reduce electrostatic interference during weighing.

A rotating displacement sensor measures wafer edge shape directly at constant radius, avoiding difficult focus adjustment on small-curvature end surfaces.

Integrated junction-temperature coding maps burn-in reference points to package surface temperature, improving test accuracy without extra sensors.

Absolute overlay mark measurement with coordinate conversion and feedback corrects K13 errors when DUV and EUV lithography are used together.

Encoded positional offsets on the module surface guide automated press fitting, improving pin-to-board alignment without optical scanning.

Comparing multiple partial laser beams reveals spatial energy variation, helping ELA systems maintain uniform crystallization and film quality.

A two-step pulsed laser weakens the substrate bond, then uses plasma shock waves to detach micro electronic elements with less damage and energy.

Measured contact positions guide mask-less interconnect formation to handle chip shift or rotation while preserving signal integrity.

Multiple focal-plane imaging detects wire loop height and position on a wire bonding system, enabling parameter adjustment for consistent bonding.

Compressive stress near substrate through holes helps suppress micro crack growth during thermal processing, improving package yield and reliability.

Exhaust gas IPA sensing with back-pressure control enables real-time supercritical CO2 drying endpoint detection without process disruption.

Photolithography-aligned openings let plasma dicing remove scribe-street test devices with tape, improving die quality and reducing stress.

A second laser-formed groove between the saw lane and seal ring contains molding-compound stress and helps keep die delamination out of active regions.

Interlocking die sidewalls and conductive edge layers create compact inter-die links that cut edge space, footprint, resistance, and inductance.

A guard ring and isolated sensing line detect dicing cracks through doped-region connections, helping prevent IC failure propagation.

Integrated rail sensors measure wafer weight, thickness, and nonplanarity during storage and transport, cutting handling time and contamination risk.

Direct die-edge interconnects use conductive layers and etched interlocking sidewalls to cut package footprint and lower inductance versus bond wires.

Small high-yield IC tiles and an interposer match detector pitch to minimize optical gaps and create a seamless large-format FPA.

A smaller first chip nested within a second chip enables through-hole test terminal access without increasing semiconductor device size.

Defect mapping reroutes failed micro-LED sub-pixels to nearby spare sub-pixels, using color conversion or filters to preserve yield and cut repair cost.

A single light source is split across multiple process chambers, with filter-based intensity correction for reliable etch end-point detection.

Separate passive components are co-packaged with a VRM and SoC through conductive paths to shrink footprint and stabilize on-package power delivery.

Different etch gas flow at wafer center and edge equalizes FinFET gate notch profiles, preventing gate-to-source/drain shorts.

Defect mapping reroutes failed micro-LED sub-pixels to spare ones, using color conversion or filtering to raise yield without extra repair devices.

UV reflection from a dummy test pattern sets the right angle and light level to inspect display-panel shielding resin accurately.

Alternating HDP-CVD and CVD passivation layers fill pad gaps without voids, improving hybrid bonding reliability and wafer-level packaging yield.

Multiple emission-reflectance measurements refine emissivity correction and cut substrate temperature oscillations during thin-film deposition.

Localized dielectric openings and external test electrodes expose hidden microdevice contacts for accurate defect and performance inspection.

Measured wafer shape and stress modeling predict bonding strength before thinning, reducing crack risk and improving stacked packaging yield.

Exhaust gas is converted into plasma for optical emission endpoint detection in plasma-less photoresist development, avoiding wafer ionization damage.

Fluorescent markers track resist changes while a diffused solubility-shifting agent opens nanoscale substrate regions with tighter pattern control.

Temporary test pads enable probe access, then are trimmed to free RDL space for denser via landing and 3D packaging.

Selective die-to-die interconnect blocking enables post-bond testing of each stacked die and bonding layer defects for higher yield.

BEOL cavities and an interposer with waveguides enable wafer-level testing of adiabatic couplers without dicing, cutting time and cost.

Interference filtering and peak intensity detection measure wafer thickness quickly without diffraction grating dispersion or Fourier transform.