Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Pressurized wet or dry annealing pushes oxygen deeper into high-aspect films, improving oxide conversion, film quality, and impurity control.

A single etch forms a vertical trench and sloped depression to smooth edge fields, cutting leakage and premature avalanche risk.

A protective border layer and selective annealing reduce laser-edge current leakage, expand emission area, and lower forward voltage.

A negative capacitance FinFET adjusts fin thickness and gate stack hysteresis to preserve capacitance matching and scaling performance.

Sealing rings and a clamping spin chuck keep wafers precisely positioned during cleaning while protecting the spindle from corrosion.

A stepped FinFET gate with sloped lower sidewalls prevents gate electrode protrusion, reducing shorting and edge-wafer variability.

Additive manufacturing plus low-temperature coating enables wafer process containers with smoother surfaces, better chemical resistance, and lower chemical use.

Selective etching through TSV openings releases donor-grown III-V layers onto Si-CMOS wafers, reducing lattice-mismatch defects in chip integration.

Cyclic HFC polymer deposition and inert-gas plasma removal improve SiN spacer profile control while reducing footing and fluorine residue.

Continuous resist circulation through a vertically arranged buffer tank helps prevent crystallization, stabilize laminar flow, and reduce lithography defects.

Aminosilane adsorption and fluorine surface termination enable selective film deposition on one base while avoiding patterning steps and plasma damage.

Low-temperature near-surface doping adjusts semiconductor work function without bulk thermal damage, charge gradients, or lost layer area.

Cooling gas is routed through device openings to vent residual pressure faster, shortening chuck release time and improving semiconductor throughput.

Selective removal of dummy fin gate dielectric closes isolation gaps, preventing leakage between FinFET gate stacks and supporting metal gate formation.

Selective annealed metal diffusion tunes high-k gate dielectrics by region while a barrier blocks crossover, cutting HKMG mask steps and leakage.

A plasma-deposited silicon layer reinforces EUV resist patterns, improving etch selectivity and reducing line edge roughness in sub-10 nm features.

A diagonal spray nozzle cleans clamp grooves and roller surfaces at low rotation speed to remove fine particles and prevent substrate re-adhesion.

A float and optical detection setup tracks tank liquid levels in real time, enabling accurate refill and mixing control with less chemical waste.

A radial gas curtain and optional bellows limit air displacement, block corrosive gas ingress, and cut particles during wafer robot motion.

Spacer-defined patterning cuts semiconductor strips into uniform island active regions, improving DRAM trench consistency, yield, and short-circuit control.

Segmented hard-mask and photoresist etching deepens stepped trenches in 3D memory while preserving structural and process stability.

Controlled metal impurities in fluorobutene etching gas improve silicon-to-mask selectivity and limit polymer film formation.

A polymer-crosslinker photoresist improves EUV process windows, pattern transfer, and etch resistance for finer semiconductor features.

A cross-linked photoresist underlayer improves developer solubility to clear EUV residual resist and scum in fine, high-aspect-ratio patterns.

A porous filter and heated serpentine flow path keep solid reactants sublimating, reduce clogging, and prevent condensation during deposition.

Using undoped pillars under gate trenches, this case improves planar super junction MOSFET uniformity while reducing multi-epi doping time and cost.

Sensors mounted on the slot valve door detect substrate position during transfer, enabling precise centering without enlarging chamber volume.

Permanent magnets hold two stable axial positions without continuous coil current, reducing heat while preserving precise wafer-stage positioning.

Low-energy dopant implantation in etched cavities enables self-aligned sub-micron contacts to buried wells with lower access resistance.

A mesh gas-duct base plate keeps packaged chip cavities vented during molding, even when some exhaust paths are blocked.

Narrowed transition pillars and graded dopant profiles shift avalanche breakdown into the core region, improving single-pulse energy handling.

Self-aligned source implantation enables direct source and body lead-out in trench MOSFETs, shrinking cell size while preventing premature breakdown.

Vertical drift-region protrusions in a SiC power semiconductor increase channel density and switching speed while preserving breakdown voltage.

A sacrificial spacer creates sealed air-gaps between gate and source/drain regions, lowering dielectric constant and parasitic capacitance.

By bonding an epitaxial device layer from a sacrificial substrate, this SOI approach overcomes ion implantation thickness limits and lowers leakage.

Offset supply channels and a capping surface cut dead volume and reactant crossover in ALD manifolds, improving deposition uniformity.

A preformed gate seal around the placeholder gate blocks metal extrusion, smooths spacer interfaces, and improves FinFET yield.

PEALD tunes barrier layer thickness and quality across 3D FinFET structures to keep dopant diffusion uniform in the height direction.

Excimer lasers, rotating shields, and ultrapure nitrogen remove nano-contaminants from both substrate faces and edges without chemical residues.

Arrayed plasma sources and grounded carrier contacts speed polymer thin-film poling while maintaining uniform, damage-free large-area polarization.

Adjustable level bolts and a gap-set pressing bracket keep lift pins aligned despite lifting frame deformation, reducing substrate defects.

Sequential dielectric wall fins keep adjacent source/drain epitaxial layers apart, controlling fin shape and supporting higher Ion/Ioff ratios.

Adding silane during FinFET source/drain epitaxy boosts phosphorus concentration above conventional limits, lowering resistance without unstable phosphine flow.

Nitrogen-fluorine cleaning with hydrogen preclean and postclean removes oxide and etch residue in high aspect ratio structures to improve capping adhesion.

Selective epitaxial contact formation in CMOS cuts hard-mask etch damage to spacers and gate caps while lowering parasitic resistance.

Repeated chemical puddling, etching, and solution rinsing remove DI water and drying steps to shorten thin-film etch time while preserving uniformity.

Dipole and ternary compound layers at source/drain contacts lower Schottky barriers and cut FET contact resistance by 50% to 70%.

Spaced-apart spacers support the workpiece outside sensitive areas to cut underside residue, contact damage, and semiconductor defects.

Partial dissolution creates penetrating holes in a cleaning film, enabling clean substrate peeling while preventing contaminant reattachment.

Multi-step epitaxy forms a wavy embedded stressor in FinFET source/drain regions to expand contact area and lower contact resistance.

Segmenting the resist layer into distinct polymer portions resolves patterning precision challenges while maintaining high device density.

Vertical fins with spaced-apart gate electrodes reduce leakage current and increase breakdown voltage in high-voltage integrated circuits.

A heat reflecting plate attached to a conveyance member reflects thermal energy back onto the non-heated surface of a semiconductor substrate.

Oxidizing aminosilane and activating oxygen, argon, and nitrogen plasma stabilizes deposition uniformity in recessed patterns without voids.

Epitaxial growth forms amorphous layers on semiconductor electrodes to enable direct titanium-silicide contact formation.

Anhydrous vapor-phase hydrogen fluoride etches silicon nitride with selectivity exceeding 75:1 against silicon without plasma excitation.

Adjusting E/G ratios during selective epitaxial growth eliminates pattern loading effects, ensuring uniform SiGe stressor thickness and stable crystal planes.

A high-k metal gate electrode structure uses early cap layer adaptation to adjust dielectric thickness before processing.

Segmented hollow metal cylinder absorbs differential thermal expansion stress to prevent joint cracking and maintain air-tightness during temperature cycles.

Two shifted exposures overlap resist areas to form dense hole arrays, solving EUV resolution limits while avoiding expensive multi-etch processes.

Deep trench isolation extends vertically into the substrate to resolve insufficient isolation in shallow structures while preserving chip real estate.

Segmented oxide and organic isolation layers prevent voids during trench filling, ensuring accurate floating gate self-alignment.

Replacing tantalum nitride with a composite sacrificial layer protects high-k gate insulators while eliminating adverse effects on PMOS work function layers.

A transient amorphous layer suppresses dopant diffusion into the channel during annealing, preventing punch-through effects while maintaining carrier mobility.

Pulsed-bias plasma etching suppresses sidewall damage during fin structure formation, eliminating defects via subsequent annealing to enhance device yield.

Dual discharge nozzles direct processing liquid to create uniform flows and low-speed drainage paths within the inner bath.

A DMOS source forming regulation layer extends horizontally to stabilize the source region during ion implantation.

Physical energy creates reference marks around backside suspected areas, enabling accurate front-side defect location without confidential layout diagrams.

An alternating Al-composition buffer layer suppresses leakage current and improves active layer flatness while preventing cracks.

A spring element supporting unit reduces vibration transfer to plate-like scales, preventing deformation below 0.1 nm for high precision.

Variable deviation angles in guide slits regulate slide member extension distance to accommodate wider instruments while maintaining sliding stability.

Temporal segmentation of plasma exposure prevents electrical shorts from copper diffusion while maintaining deposition speed.

A polysilicon gate electrode structure with segmented metal silicide layers prevents impurity interdiffusion during thermal treatment.

Ultrasonic cleaning removes foreign materials from photo-aligned substrates, reducing defects and improving contrast ratios.

A cleaning device controller sets reference positions using load measurements to simplify maintenance routines.

Selective blocking layers on conductive surfaces eliminate costly lithography steps, reducing fabrication complexity while supporting device miniaturization.

Segmented heating and transfer chambers reduce substrate heating time while maintaining temperature consistency for higher throughput.

A substrate processing liquid supply system adjusts chemical mixing ratios across multiple discharge ports to maintain consistent temperature distribution.

Intersecting curved laser scanning paths ensure uniform heat treatment across the wafer back surface, preventing metal migration from front-side layers.

A recessed gate structure with asymmetric dopant regions controls the short channel effect while increasing drain current and operational speed.

Extending the back gate conductor into the well region reduces power consumption and spontaneous heating without requiring expensive SOI wafers.

A thermal conductive annealing apparatus forms a metal silicide layer through controlled heat treatment.

Positioning stressors closer to the channel overcomes diminishing coupling efficiency in scaled FinFET devices.

Ion bombardment amorphizes the semiconductor layer to control dewetting during annealing, enabling nanocrystals under 50 nm without altering layer thickness.

Local insulating layers suppress leakage current and eliminate floating body effects, lowering static power consumption while maintaining heat dissipation.

Segmenting bulk heat removal and precise matching reduces convection errors, improving weight measurement accuracy for high-temperature wafers.

A silicon carbide trench gate structure uses a lateral doping profile to optimize current spreading and reduce on-state resistance.

Segmented p-type regions in silicon carbide edge termination disperse electric fields, reducing manufacturing complexity and impurity variations.

Ruthenium metal hard mask prevents titanium nitride erosion to maintain precise via critical dimension and consistent profiles.

An antiferromagnetic barrier intercepts conductive etch byproducts, preventing sidewall shorts and preserving magnetoresistance ratios.

Segmented thermal deposition and nitrogen plasma cycles create hermetic SiBN encapsulation without damaging underlying memory structures.

Controlled break initiation via localized edge stress eliminates random fracture paths, reducing kerf loss and improving thickness uniformity.

Azimuthal ridges on convex chucks conform to non-flat substrates, preventing circular shape distortion during vacuum bonding.

Multi-hydrocarbon reactive gases balance thermal decomposition rates to maintain uniform C/Si ratios across silicon carbide epi wafers.

Graded AlInGaN buffers apply compressive stress to nitride films, preventing cracks caused by lattice mismatch and thermal expansion differences.

Pre-cavitated liquid enables high particle removal efficiency during wafer cleaning while minimizing substrate damage from excessive sonic energy.

A light emitting diode uses three-dimensional nano-structures to increase the contact area between semiconductor layers.

Plasma modification converts dense silicon anti-reflective coatings into porous structures, resolving incomplete removal and underlying layer damage.