Semiconductor/Solid-State Device Testing/Measurement TRIZ Cases

Integrated wafer magnetic sensing with self-calibration reduces offset error, helping keep semiconductor process conditions uniform and reliable.

A thin-film inspection pattern reveals mesa sidewall shape differences, enabling accurate non-destructive measurement of lateral etching.

Independent thermal zones cool different regions of a multi-die package during testing, cutting test time and improving binning efficiency.

Confocal Raman scanning measures crystalline and amorphous silicon by depth, avoiding destructive substrate sampling and process delays.

Infrared sensing during laser annealing calculates wafer sheet resistance in line, cutting offline probe work and avoiding contact damage.

Separating high-side and low-side SiC dies onto vertically aligned substrates enables dual-sided cooling and reduces thermal coupling in dense power modules.

Selective UV shielding and dual adhesive layers enable accurate removal and replacement of defective LEDs in densely packed arrays.

Modification maps and stressor films pre-correct wafer distortion before W2W bonding, improving alignment accuracy and reducing overlay errors.

Edge interconnects routed through sealing rings and scribe lines directly join neighboring dies, cutting interposer complexity and cost.

GDS-assisted cross-layer pattern analysis pinpoints systematic die hotspots, shrinking PFA search regions and cycle time for semiconductor failure analysis.

Filling the chamfer-to-tape gap before dicing blocks cutting water, keeps edge chips adhered, and reduces die flying and breakage.

Heating the substrate during chemo-mechanical backside polishing boosts removal rate and achieves EUV-ready flatness in less time.

A blind-hole recess and staged anisotropic etching protect insulation layers while forming reliable vertical through contacts for semiconductor testing.

Angular wafer alignment and per-scan background trace subtraction improve CMP thickness sensing and endpoint control.

A reflow bond followed by press plate re-bonding flattens LED height and angle differences that cause color irregularities in displays.

A dummy conductive member enables pre-assembly interconnect testing in RDL packaging, catching failures early to reduce delamination waste and yield loss.

Gap regions place PCM structures away from scribe lines, preventing dicing damage and contamination while preserving wafer monitoring data.

Staged electrical tests through passivation layers catch faulty 3DIC structures early while carrier bonding improves attachment strength.

Knife-edge SPIKE probe bumps create room-temperature temporary bonds for ≤10 µm pad testing with low contact resistance and rework capability.

Infrared transmittance and emission sensing measures transparent semiconductor workpieces from 400 °C to 1200 °C without extra sensors.

Measured word-line and active-region offsets are used to shift bit lines and equalize contact window areas, improving memory cell yield.

Oxide film removal after wafer heat treatment enables precise RIE defect mapping and clearer O-band and VDP boundaries with simpler analysis.

Real-time wafer recipes target defect-prone weak points with focused SEM review, improving inspection throughput without losing coverage.

Selects and redistributes observation points in incomplete wafer shots to improve overlay offset vector accuracy and die yield.

Plasma etching through a photoresist opening enables precise wafer dicing, while tape removal lifts out scribe street test devices with less stress.

Alternatingly modulated laser beams add material-specific reflectivity signals to OCD, improving CD extraction when similar materials are hard to separate.

Actual contact positions guide mask-less interconnection formation to compensate chip shift or rotation and maintain signal integrity.

A gripper reciprocates conductive bumps to simulate thermal-cycle stress and detect BEOL wiring cracks at wafer stage.

In-situ eddy current fitting separates underlayer signal effects to improve CMP endpoint detection and wafer thickness uniformity.

In-situ eddy current calibration removes underlayer signal bias in CMP, improving endpoint detection and wafer thickness uniformity.

Angularly controlled spot heaters correct substrate hot and cold zones to improve epitaxial film thickness and composition uniformity.

In-plane spectral measurement with outlier scoring detects substrate abnormalities quickly without full surface profile scans.

Neural-network prediction of post-polishing wafer topography enables early threshold checks and real-time tool adjustment to reduce material loss.

A single-screen error display shows the affected substrate, module, timing, and cause to speed fault diagnosis and recovery.

Wet etching removes high-evaporation metal layers and replaces them with non-metallic fill for accurate atom probe doping analysis.

Rough multi-height characterization patterns expose AFM tip defects before sample scans, improving inspection accuracy and avoiding sample damage.

Non-contact wafer color imaging inside a cluster tool detects stress non-uniformity early and enables corrective actions to protect yield.

Sensor feedback tracks rinse arm alignment in the developing chamber to prevent wafer residue and stop unstable rinsing after collisions.

Alternating HDP-CVD and CVD passivation fills pad gaps in wafer-level semiconductor dies, improving bonding reliability and yield.

Stress-free shape measurements on wafers and bonded pairs predict overlay without dual metrology targets, enabling process feedback to reduce bonding errors.

Sacrificial wafers collect friction-generated particles, and AFM-IR identifies their source to speed maintenance and protect wafer yield.

Probe amplitude thresholds let AFM measure critical dimensions in high-aspect-ratio trenches without sidewall contact or structure damage.

A stress-compensation layer and stress-modulation beams flatten bonded wafers, reducing warpage and feature misalignment in semiconductor stacking.

Dual thermocouples in one protection pipe align measurement points, enabling stable furnace temperature control when a primary sensor fails.

Shifted guide holes in stacked guide plates keep curved probes apart during fine-pitch pad testing, preventing shorts and stabilizing measurements.

Time-series process data is turned into images so CNN and XAI can classify substrate defects and reveal likely equipment fault causes.

Multi-zone sensing and fluid cooling stabilize substrate temperature to cut distortion, edge bubbles, and non-bonded areas during bonding.

Capacitive coupling through dielectric-tipped metal posts tests micro-LED wafers without electrode damage while supporting brightness evaluation.

Machine learning converts sensor readings and control inputs between reference and target apparatuses to keep processing results consistent.

A ceramic LED module uses through conductors and pads to transfer heat from the light source to the substrate bottom surface.

Sorting LED chips by emission traits and applying tailored phosphor layers reduces color variance to improve manufacturing yield.

Reflectivity measurements replace mechanical gauges to detect optimal end points, preventing over-grinding and yield loss in fan-out wafer manufacturing.

Lowering the scribe-line WAT pad surface creates a stress buffer that prevents cracks from penetrating the die region, maintaining device reliability.

Auxiliary patterns in the test structure produce non-zero order diffraction, isolating parameters of interest from background noise.

A semiconductor wafer assessment method gathers processing data and applies process models to derive results for comparison against a defined process window.

Voltage-driven light emission cures a polymer layer on functional LEDs, enabling a pick-up tool to separate good dies from defective units.

Exposed probe pads link to bump pads through internal conductive layers, enabling probing tests on fully packaged multi-chip apparatuses.

A manufacturing method acquires crystal structure information to determine optimal substrate combinations for precise bonding alignment.

Optimizing buried layer thickness against laser wavelength eliminates optical interference, ensuring consistent mark legibility despite device layer variations.

A surface grating on a substrate diffracts a focused laser beam to map in-plane strain with high spatial resolution.

Separating signal transmission and probe contact areas prevents corrosion during testing, ensuring continued signal transmission.

A thermal interface tape provides a transient heat conduction path on semiconductor chips during manufacturing.

Segmenting fogging and proximity corrections reduces calculation time while maintaining dimensional precision in semiconductor photomask manufacturing.

Alternating bond pad orientation enables interlocking configurations that reduce pad pitch while maintaining bonding power window and electrical properties.

A hybrid sub-resolution assist feature method combines rule-based and model-based approaches to optimize semiconductor lithography resolution.

Optical pattern analysis detects wafer mounting abnormalities on heat plates.

Dummy wiring and via patterns modify the optical environment to reduce size distortions caused by optical proximity effects during photolithography.

A substrate processing apparatus uses non-contact infrared detection to measure liquid chemical temperature via emissivity and radiant energy input.

Constraining measurement models using spectral sensitivity and process variation data reduces floating parameters in semiconductor metrology.

A workpiece holder with a slide portion centers silicon wafers on wire saws for precise slicing.

Feedback-controlled exhaust system stabilizes pressure during soft bake to prevent contamination from vaporized coating powder particles.

An optical test system uses multiple incident angles and polarization changes to detect reflected light beams.

A data management system correlates wafer alignment and defect metrics to predict manufacturing errors.

Spiral metal interconnections generate an opposing electric potential that offsets plasma-induced charging, reducing device degradation and leakage currents.

A tunable inverse Compton scattering source generates bright EUV radiation for precise semiconductor target inspection.

Dynamic atomic layer deposition cycle adjustment compensates for chamber accumulation to maintain target film thickness.

Scanner-guided laser structuring compensates for die misalignment to ensure precise electrical connections.

A 3D-IC interposer connects functional metal wiring segments in series using dummy segments for electrical continuity testing.

A pixel structure integrates a defect detection pattern to enable direct contact with potential residues for identification.

Lowering substrate temperature to minus 30 C prevents line width roughness and dimensional instability caused by radiation-induced thermal degradation.

Layered hard masks enable plasma emission intensity monitoring during dry etching of pillar-shaped silicon layers and gate electrodes.

A modeling method quantifies defect-related electrostatic effects to predict excess base current in irradiated bipolar junction transistors.

A substrate processing apparatus corrects susceptor position to maintain electromagnetic field uniformity during dielectric heating.

Selective light attenuation balances specular and scattered signals to resolve surface reflection noise in high aspect ratio via measurements.

A nanoimprint template with a circumferential projection measures distance to the substrate during curing.

Associating measurement, context, and control data with process steps to correct overlay errors and critical dimension uniformity.

Control embedded material gate proximity by adjusting the oxide layer formation beneath the semiconductor gate structure.

Offset pad positioning during melting allows the metal member to flow into recessed areas, suppressing void formation and achieving low resistance connections.

Wafer-level binning sorts LED dies early, while substrate removal lowers thermal resistance.

An embedded signal processing circuit executes test programs within the semiconductor device, eliminating external terminals and reducing parasitic capacitance.

Automated electrical testing circuit measures voltage drop across conductive adhesive layers to assess chip-on-glass bonding integrity.

A barrier structure with a blocking wall isolates sensitive circuit pads on the device substrate from external cleaning agents.

Serial wafer etching exposes successive surfaces for two-dimensional imaging to reconstruct three-dimensional semiconductor structures.

A light emitting device manufacturing method forms holes in a reflective member to reduce thickness and enhance light extraction.

Introducing a sacrificial spacer fin with matching pitch and height increases endpoint signal intensity, resolving unreliable detection in finFET fabrication.

A film thickness signal processing apparatus identifies effective data ranges and corrects measurements to enhance detection accuracy.

A power meter measures laser beam output intensity before etching to adjust generator settings, preventing wafer edge chipping from unstable power.

Edge sensing lines on a second chip detect defects in both chips, reducing fabrication complexity and preventing size increase.

Segmented switching isolates short-circuited units to maintain test continuity across remaining good semiconductor devices.