Semiconductor/Solid-State Device Testing/Measurement TRIZ Cases

A first laser pulse weakens the bond and a second creates plasma shock waves to remove faulty micro electronic elements with less substrate damage.

Exposed contact electrodes enable photoluminescence screening before upper wiring, helping replace defective epitaxial dies in micro LED manufacturing.

A stepped first cut and opposed-velocity second cut remove the first wafer edge while preserving the joining layer and second wafer.

In-situ pulse features from two plasma states are scored against metrology data to predict wafer characteristics and speed process optimization.

Measured shielding-layer deviations are used to adjust ion implantation dose, preserving charge balance for low on-resistance and high breakdown voltage.

Peripheral height sensing and holder transformation correct substrate edge mismatch, improving alignment and bonding uniformity.

Oblique edge illumination and reflected-light sensing reveal bonding region dimensions and defects in multi-layer wafer stacks.

Pre-routed transfer lines and repair pads fix short and open data-line faults in high-resolution display panels, improving yield.

Sequential mask overlay forms conductive wiring with acceptable offset, improving fan-out package reliability while lowering fabrication cost.

Combining pre-implant surface images with post-anneal photoluminescence helps classify wafer defects despite thermal expansion and chip pattern noise.

A reflective structure and slit replace the square prism to cut stray reflections, improve wafer side-edge imaging, and simplify mounting.

Conductive paths on a carrier substrate enable pre-mount electrical inspection of micro LEDs, improving yield and transfer efficiency.

Uses withstand-voltage correlation to estimate MOS on-resistance and threshold voltage without contact-resistance error during probing.

A temporary coating holds dies for inspection, enables clean removal of defective dies, and restores hybrid bonding strength after annealing.

Optical test marks with known lengths enable fast, non-contact warpage measurement in multilayer structures, improving accuracy and reducing damage.

Probe pad damage is contained by recessing, metal fill, and planarization to preserve flat surfaces and improve direct bonding yield.

Slits in micro LED electrode blocks enable pre-connection light testing while reducing adhesive overflow, short circuits, and repair cost.

Oblique reflective X-ray CT reconstructs 3D NAND interiors to detect embedded defects without destructive wafer inspection.

Integrated imaging inspects contact surfaces and adhesive layers during temporary wafer bonding to catch defects before TSV processing.

A diode-connected chip bond blocks reverse current and preserves electrode voltages despite bonding defects, avoiding beam deflection errors.

Retro-reflective gratings detect local glass tilt during laser writing, enabling real-time voxel correction for accurate 3D features.

Using zigzag traces on both film surfaces and vias, this COF layout fits source and gate driver chips while preserving bonding pitch.

BLIS logic reuses scan chains, PRPG patterns, and signature registers to detect unauthorized IC design changes during fabrication.

A two-step CMP and etch sequence improves dielectric planarity while suppressing dishing that degrades cap insulating layer isolation.

Conductive test rings and dielectric layers around a TSV isolate stress, block crack growth, and enable electrical crack detection.

Laser-formed modification layers and interface position feedback guide wafer edge removal to prevent cracking, chipping, and bending.

By overlapping the external connector with the test pad, this layout saves vertical space while preserving test access and electrical quality.

Uneven light-absorbing deposition on asymmetric petals is converted into pattern shift response data to correct false overlay errors on wafers.

Local probe pads confined to each display block cut wire impedance, pinpoint abnormal microLEDs, and support independent repair.

Variable-angle illumination combines objective-lens and fiber lighting to measure multilayer semiconductor overlay faster with fewer keys.

Controlled SiC chip back-surface roughness stabilizes contact resistance and improves ON voltage screening for stacking fault risk.

AOI measures overlay shift in bonded wafers from aligned top and bottom patterns, replacing slow visual inspection with precise automated detection.

An adhesive layer joins metal and non-metal etching parts to block local plasma, corrosion, and particle generation at exposed interfaces.

A neural-network surrogate predicts corrective thin film patterns for wafer bow, cutting computation time enough for real-time fabrication use.

Optical profilometry and variability analysis speed nanoscale defect detection on metal-pad semiconductor surfaces before hybrid bonding.

Recessed test pads confine probe-induced topography below the bond interface, preserving surface finish for reliable hybrid bonding of stacked IC dies.

A heat-spreading layer and shield protect 3D semiconductor metal interconnects during annealing while improving crystal quality.

X-ray wafer rotation and transmission sensing reveal top and bottom widths of nanoscale structures for reliable semiconductor metrology.

Separate Kelvin routing on the power substrate cuts loop coupling and stray inductance, improving switching in paralleled power die.

A stepped capacitor with bottom electrodes at different heights replaces slow etch tuning, reducing chip manufacturing time and corrosion.

Current leakage testing on one epitaxial substrate screens GaN-on-silicon batches early, cutting QC time and preventing defective wafer processing.

Separate pick-and-place and thermal modules handle varied chip sizes with one vision system while cutting recalibration time and test energy use.

Physics-based VC image simulation predicts e-beam brightness from layout connectivity, enabling faster defect localization without a reference image.

A staged pad and redistribution layout supports low-speed and high-speed semiconductor tests while cutting parasitic capacitance and cycle time.

Integrated monitor circuits in chip boundary and scribe lines detect hybrid bonding defects early through resistance-based probe testing.

Wafer shape metrology and stressor film patterning correct non-linear distortion before bonding, improving overlay accuracy and bond yield.

Optical pad reflectance sensing calibrates a steady-state baseline to catch wafer slip during CMP before substrate loss or equipment damage occurs.

An amorphous encapsulation layer shields photoconductive material from humidity and oxygen, preserving optical sensor stability over time.

Graphics-based log analysis builds wafer movement tracking graphs without custom parsers, exposing semiconductor process bottlenecks in hours.

Infrared vernier-scale inspection detects bonding offset in real time, improving semiconductor package alignment and yield while reducing production time.