Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Separated support and alignment rings keep the wafer boat flat, cut pedestal heat loss, and improve deposition uniformity in batch furnaces.

Multiple laser wavelengths remove stacked edge films more cleanly than chemical spraying, improving selectivity, yield, and contamination control.

Sequential cleaning and molybdenum deposition in one vacuum chamber reduces oxide regrowth and process complexity for semiconductor contacts.

pH-triggered purified water injection stabilizes BOE ion concentrations, keeping wet etching rates consistent while reducing chemical replacement.

A stepped SiC anchorage locks the passivation layer into a cavity to prevent delamination under thermal cycling and high reverse-bias fields.

A treated seed layer enables ferroelectric phase formation at lower annealing temperature, protecting metal lines and vias in FeRAM.

Selective removal of silicon nitride limits nitrogen release during plasma cleaning, stabilizing gate silicidation and improving contact quality.

A controller calculates target liquid level from concentration change and meters water supply to keep etching chemistry stable despite evaporation.

Merged sidewall spacers create wider second mandrels, giving SRAM fin pairs more cut tolerance without harming adjacent active fins.

Multiple substrate supports and a rail-guided transporter cut batch wafer transfer time and improve chamber throughput.

Incoherent light releases the carrier from a cured resin protective layer, cutting soot contamination during semiconductor packaging.

A triple-angle susceptor ledge controls silicon gas leakage and back-surface deposition to improve wafer flatness and DERO uniformity.

A solvent-free siloxane resist lowers viscosity without sacrificing etching resistance, improving fine-pattern filling, flatness, and defect control.

Acid-etched concave-convex patterns in the camera hole area cut reflections that degrade resolution while preserving apparatus reliability.

Reverse-side blade grooves followed by in-place laser splitting cut wafers cleanly while reducing face-side contamination, breakage, and transfer loss.

A dual-trench VDMOS adds a conductive trench beside the gate trench to boost conductivity and lower forward voltage drop.

A phosphoric-acetic-nitric acid blend selectively removes W, TiN, and AlOx while limiting corrosion of adjacent semiconductor materials.

A segmented carrier with detachable inner support enables front- and back-side wafer processing while preserving mechanical stability.

A doped current shifting region beside the SiC mesa corner redirects crowding current, improving breakdown voltage and current gain stability.

An insulating layer plus chemical mechanical polishing planarizes Group III nitride mesas, reducing wafer bow and fragility during processing.

Feedback from prior bond position deviation corrects substrate alignment, improving hydrophilic wafer bonding accuracy and reducing defects.

A center-directed adjustment gas nozzle and opposing exhaust balance raw gas concentration to improve in-plane wafer film thickness uniformity.

Carbonated brush cleaning and repeated ozone-water oxide control remove wafer particles without SC1 roughness, heat, or wastewater burden.

Growing epitaxial layers on buried-gate trench sidewalls widens the conductive path, lowering resistance without sacrificing integration.

A stepped sidewall with conformal passivation spreads dicing stress in HEMTs, reducing peeling risk and improving manufacturing yield.

Selective fin trimming creates a channel neck that suppresses FinFET off-leak current and improves DIBL control without SOI substrates.

Three-stage epitaxial growth with different carrier gases raises the source/drain merge point, enlarges the air gap, and reduces FinFET capacitance.

Ligand-capped metal oxide nanoparticles create dense hardmask films that fill 25 nm gaps and maintain high etch selectivity for reliable via formation.

Directional resist-width adjustment and hard mask transfer increase via-to-contact margin, reducing deformation and improving source/drain interconnect reliability.

An actuator changes outer nozzle height or angle to keep processing liquid covering the wafer center under varying conditions.

A nitrided stress buffer layer replaces multiple polishing masks in FinFET fin fabrication, cutting cost while protecting thin silicon fins.

A sensing-well BioFET IC removes fluorescent or radioactive labeling by electrically detecting cardiac cell impedance, charge, and ion release.

Removing work-function metal from gate sidewalls leaves it only at the channel interface, increasing conductive gate fill and lowering resistance.

Variable oxygen concentration in an InGaZnO active region improves threshold voltage and resistance, reducing leakage in dense storage devices.

A germanium-on-insulator waveguide with integrated bolometric detection improves mid-infrared confinement for compact gas and biomaterial sensing.

Selective nitrogen and p-type ion implantation forms GaN guard rings without etching, reducing junction damage and improving field relaxation.

A self-aligned BEOL interconnect process widens overlay margin, removes hard masks, and supports multi-metal fill with low-k voided dielectric.

Electron beam treatment of polysilazane, followed by UV or plasma and non-oxidizing heat, forms trench-fill silicon nitrogeneous films with low oxygen.

Chemically tuned wet etchants suppress lateral undercut in metal patterning, preserving threshold voltage balance and semiconductor yield.

An amorphous dielectric seed layer enables semi-amorphous polysilicon trench fill that minimizes seams and voids, improving yield and reliability.

An alkaline blend of hydroxy acids, quaternary ammonium compounds, and trialkylamines removes Al oxide while limiting etching of Zn, Hf, and In oxides.

Treated spacer layers enable self-aligned double and quadruple patterning to shrink semiconductor features without spacer bending or collapse.

Alternative oxygen precursors in ALD form niobium, tantalum, or titanium oxides without interfacial layers, improving dielectric behavior.

An oxygen-free halogen vapor and ligand-exchange route etches ruthenium selectively while reducing low-k dielectric damage.

A semi-IPN acrylic adhesive tape balances QFN sealing adhesion with clean leadframe peeling to prevent resin burrs and residue.

Separate high-pressure and vacuum chambers with valve isolation improve substrate uniformity while limiting oxidation, contamination, and leaks.

A silicide region formed from the substrate backside cuts substrate resistance in vertical power MOSFETs while preserving strength and process simplicity.

Vacuum suction with a flexible contact wall and movable supports detaches semiconductor layers in less space while lowering breakage risk.

A variable-thickness mask and sidewall auxiliary layer align channel implantation with trench etch to shrink pitch and cut lithography steps.

Self-aligned overlapping channel holes replace inter-deck plugs in 3D NAND, widening overlay margin and improving retention and read/erase speed.