Semiconductor/Solid-State Device Testing/Measurement TRIZ Cases

Virtual distributions extend limited semiconductor measurements to estimate defect rates accurately despite carbon concentration and irradiation variation.

Partitioned photodiodes use in-pixel isolation to estimate phase differences with fewer pixels, speeding autofocus while cutting power and processing load.

Multiple auxiliary light sources and a movable detector improve wavelength correction and pixel-level resolution for in-line semiconductor metrology.

Selective lateral recess and sidewall treatment improve nanosheet sidewall uniformity, reducing dummy gate CD variation and gate length inconsistency.

Built-in crack sensing uses switching and logic circuits to detect die cracks on-chip without extra test pads, improving layout efficiency.

Independent pressing blocks and load sensing enable uniform, controlled force on integrated circuit lids with different heights.

Capacitance-based voltage generation and regulation senses on-wafer conditions and helps reduce semiconductor process variability.

Individually addressable matrix sensors enable flexible wafer temperature mapping while insulation portions reduce thermal stress and degradation.

Selective connection of functional trench capacitors preserves high capacitance density while avoiding defective cells that cause voltage drop and yield loss.

Real-time exhaust adjustment controls solvent evaporation during photoresist coating to keep wafer thickness and profile uniform.

Two pyrometers independently control wafer center and edge heating to reduce film thickness variation and crystallographic slip during deposition.

Non-overlapping conductive layer projections and opening areas reduce Mini-LED array substrate short circuits and improve testing reliability.

Real-time optical metrology tracks wafer bonding parameters through substrates, correcting aberrations to improve feedback speed and accuracy.

Continuous test and interaction pads remove partition walls, reducing probe card damage, contamination, and positioning errors.

A fluorescent test block reveals cathode test-layer position on the panel motherboard, enabling accurate transmittance-focused OLED patterning.

Prebuilt repair regions and protective structures let faulty LEDs be replaced without photomask redesign, preserving pixel function and lowering repair cost.

A single oversized grating wafer is de-functionalized to make HMD eyepieces that fit different pupillary distances without multiple molds.

Acoustic edge-defect inspection guides wafer stack trimming to remove bonding cracks and bubbles while limiting wafer loss and contamination.

Extended peripheral die areas create room for redistribution layers and solder balls, speeding prototype chip packaging and delivery.

Separate pyrometers track substrate center and edge temperatures so heater zones can limit thermal non-uniformity and improve film thickness.

Binary synthetic reference images improve wafer alignment mark recognition, raising inline measurement efficiency and alignment accuracy.

Optical feedback tracks interference color changes during laser crystallization, helping maintain uniform polysilicon formation on the substrate.

Post-deposition defect measurement feeds back temperature settings to limit AC bias heating, surface roughness, and chuck contamination.

A raised plug above the interlayer film improves buried wiring contact while low-k insulation cuts capacitance and signal delay.

Fuse links let a failed capacitor die be electrically isolated, preserving the remaining dies and improving module yield and reliability.

Multi-beam femtosecond excitation through a silicon substrate improves THz spatial resolution and depth-dependent doping analysis under material layers.

Real-time wafer recipes target high-risk regions instead of full scans, raising SEM inspection throughput while preserving defect sensitivity.

Metrology-based virtual masks and planarization compensate wafer warpage and feature offset to improve hybrid bonding alignment and yield.

Pattern-light deflectometry measures upper-surface tilt on reflective objects, correcting 3D shape data while reducing diffraction noise and space needs.

In-situ beam shadow imaging aligns masked laser sub-beams to donor devices in LIFT, improving accuracy beyond fiducial-based transfer.

Integrated pre-bond and post-bond metrology detects chiplet and substrate defects in hybrid bonding to improve yield and cut tool downtime.

A multi-electrode TFT layout isolates active-layer direction effects, improving sub-TFT comparison accuracy and test reliability.

Separate visible reflection imaging and UV photoluminescence through one confocal optical path to improve defect detection accuracy and speed.

Inline absorption spectroscopy tracks remaining precursor in CVD and ALD tanks, preventing low-supply runs and premature replacement.

Contact-current sensing through the temperature-control fluid enables real-time wafer warpage measurement without complex sensor wiring.

By superimposing a via-side conductive portion on a non-circuit check pattern, inspection stays possible without dicing chipping or yield loss.

Pump-probe SHG metrology separates interfacial effects from contaminants by tracking transient field decay for faster semiconductor defect quantification.

Capacitance changes in integrated circuit structures are used to detect degradation early and trigger shutdown or backup operation.

Uses activation energy, temperature, and time to predict semiconductor defect distributions at real pattern scales within practical calculation time.

Measured wafer bow and shape grouping enable pair-specific bonding recipes that reduce overlay error, defects, and yield loss.

Built-in metrology inspects substrates and chiplet tape frames before and after hybrid bonding to catch defects early and reduce downtime.

Thinner test pads in the scribe lane ease substrate cutting, while thicker chip pads preserve bonding strength and improve chip yield.

Pre-stored substrate spectra and one thin-film data point enable accurate infrared wafer temperature measurement with far less setup time.

An on-chip resistor creates and senses thermal gradients, letting standard test equipment verify embedded thermoelectric arrays and isolate bad thermocouples.

Reflectance-based inspection varies lens NA and focus to separate surface and internal substrate defects while reducing back-surface reflection.

A patterned nitride layer and high-temperature anneal induce interface dislocations for wafer-scale stress robustness testing without indenter damage.

A planar voltage regulator module integrates controller, capacitor, and inductor dies to shrink SoC package footprint and reduce parasitics.

Downward-facing die transfer with peripheral active-surface holding preserves ultra-flat bonding surfaces and speeds fine-pitch alignment.

Controlled gas is supplied between wafers until the bonding front reaches the edge, reducing outer-periphery voids and stabilizing bond strength.