Semiconductor/Solid-State Device Testing/Measurement TRIZ Cases

Multiple controllable wafer heating zones and temperature feedback improve thermal uniformity during deposition and help prevent thin-film variation.

Electron-beam testing of scribe-area p-n test structures reveals voltage leakage before singulation, helping assess process and die quality.

Lithographic bumps and semi-additive plating enable EMIB packages to reach sub-40 µm pitch while controlling thickness variation and assembly yield.

Reflectivity sensing tracks wafer temperature and melt state during nanosecond laser annealing, enabling real-time feedback and tighter process control.

Low-field SIMS with parallel detectors and charge neutralization speeds semiconductor metrology while improving depth resolution and accuracy.

Defective wafer regions are removed and replaced with known-good chips before lamination, preserving laminated chip yield without discarding whole wafers.

Laser ablation removes defective wafer regions and fits matching good chips in place, preserving laminated chip yield and reducing waste.

Preheating the chamber atmosphere before exhaust speeds pressure reduction in ammonia flash annealing, cutting wafer process time.

E-beam-readable overlay test cells placed in IC layout gaps improve layer alignment measurement accuracy and data coverage without extra chip area.

Mechanical blades and wheel brushes remove ring frame adhesive residue, while optical inspection verifies surface cleanness without chemicals.

Pre-cooling the wafer chuck and spraying cooling gas before ADI light exposure limits wafer and photoresist deformation and improves defect detection.

Active piezo and thermal compensation correct wafer distortion during pre-bonding, enabling sub-micron alignment before permanent bonding.

A removable redistribution layer lets standard probe cards test fine-pitch mini and micro LED arrays faster, with lower cost and no probe marks.

Real-time multi-wavelength reflectance checks wafer etch completion in-tool, cutting delay from off-line inspection and reducing wasted processing.

Separate substrate traces keep Kelvin and power loops independent, reducing feedback coupling and improving switching speed and stability.

Using back-side marks and a known offset, the bonding process locates hidden front-side wafer marks to improve alignment precision and yield.

Inline RGA monitoring tracks moisture and organic outgas to adapt wafer degas time, improving chamber cleanliness and throughput.

CMP plus selective hard-mask etching equalizes polysilicon gate heights, cutting dielectric residue and incomplete poly-cut in replacement-gate flow.

A stepped scribe lane separates test and align key patterns to improve electrical assessment and photolithography alignment.

Using conductive and insulating mark portions, this case improves wafer alignment contrast for accurate probe placement and die singulation.

A two-material wafer alignment mark improves optical contrast for precise orientation, probe placement, and chip grid alignment.

Evacuating stacked chips during process stops limits microbump oxidation and enables reliable resumption of semiconductor mounting.

Photometric monitoring tracks liquid content in a pre-connection layer, stopping sintering at the right stage to avoid faulty semiconductor joints.

Backside thermal radiation sensing through a pedestal hub viewport enables repeatable low-range substrate support temperature monitoring without thermal drain.

Periodic light-source duty control keeps wavelength drift within corrected optics limits, preventing detector saturation and inspection errors.

3D IC layout simulation selects wafer inspection optical modes without repeated real-wafer tuning, cutting setup time while keeping defect detection effective.

Vacuum suction pulls non-mounted adhesive film areas flat, preventing wrinkle contact with probe terminals during heated or cooled component testing.

Correlation-based grouping and neural-network axes handle missing and linked electrical measurements to predict semiconductor device merit faster.

A printed, cured carrier substrate offsets wafer stress and bow, enabling safe thinning, vacuum handling, and contact area access.

A closed-loop edge coil with angled detection sections catches cracks in any direction, improving substrate cut inspection precision and yield.

A roughened solder bracing surface boosts underfill adhesion and helps prevent delamination and cracks in semiconductor packaging.

Microdroplet oxidation and etching isolate wafer contaminants for ICP-MS analysis, improving detection of hard-to-measure trace elements.

Micro heaters cure low-temperature solder to electrically test chips before bonding, improving screening efficiency and selecting only good chips.

Transfer-curve binning captures static and dynamic losses together, improving parallel power-device matching, current sharing, and reliability.

A curved support and slit tip create dual contact points that lower contact resistance, reduce heating, and extend socket terminal life.

Rotation current changes during CMP reveal bonding-surface bubble rupture early, helping prevent wafer scratches and manual inspection delays.

Photoluminescence spectra calibrate laser spike annealing temperature in situ, enabling faster and more accurate control than thermocouples.