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.