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.

Placing gate contacts inside the extended drain region minimizes distributed RC networks, improving switching characteristics and reducing device footprint.

Plasma routing removes damaged silicon layers from chamfered substrates while preserving front-face integrity, preventing contamination during recycling.

Selective epitaxy grows highly doped AlInGaBN islands on a substrate, reducing thermal impedance and extending deep UV LED lifespan.

Heating substrate above dew point during volatile liquid application prevents condensation.

Patterned substrate notches guide lateral Group III nitride growth to restrict vertical expansion, reducing dislocation density in heteroepitaxial films.

A restricting mechanism with a second portion moves along a flange to push aside foreign matter.

Segmented field plates with a thicker lower dielectric liner reduce trench depth and fabrication costs while maintaining high voltage support.

Silicide forms on gate electrode and source drain regions without side-wall oxide films, reducing resistance variation and preventing short-circuiting.

Forming a stepped secondary gate spacer on thinned primary spacers lowers the gap aspect ratio to prevent void formation during dielectric material deposition.

Vertical wafer storage in segmented compartments reduces cross-contamination risks while maximizing packing density within a sealed clean room.

A method controls replacement metal gate critical dimension using a dummy gate with cap and re-oxide layers.

Transfer gates produce a lateral electric field within the substrate to optimize charge-carrier transport and prevent potential barriers.

A dual-layer barrier structure enables selective dry etching of III-nitride semiconductor materials to form precise gate recesses.

Amorphous carbon memory elements replace chalcogenide glass with metal-containing layers to maintain thermal stability above 260°C.

Sequential etching with ammonium hydroxide removes conductive layer residue, preventing word line shorting and device leakage on uneven topography.

A dedicated cleaning gas supply pipe delivers gas directly into the exhaust buffer chamber to remove deposits that cause film delamination and yield loss.

Implanting halogen ions into the gate insulating film of a semiconductor device to suppress leakage currents.

Pre-formed trenches define PN column depth boundaries before epitaxial growth, eliminating polishing steps that cause breakdown voltage variations.

Spatially varying ion implantation creates a compensatory stress field that eliminates 10-100 nm wafer distortions during bonding.

Guard rings and channel stops in trenched MOSFETs prevent leakage paths at the silicon interface, improving breakdown voltage stability.

Controlling growth temperature and V/III ratio directs nucleation exclusively onto (111) silicon surfaces, eliminating antiphase domain boundaries.

Front and rear connectivity for the treating section resolves low arrangement freedom while maintaining connection structure simplicity.

Segmented dielectric layers reduce fin rounding to enhance transistor isolation and channel width.

Fluoride gate dielectric reduces leakage in group III-nitride transistors, enabling reliable enhancement-mode operation.

Injecting pressurized cleaning liquid containing bubbles or particles removes sub-100 nm defects while preventing latent damage to EUV mask substrates.

Sidewall image transfer forms gates with different pitches to reduce short channel effects and boron penetration.

Adjusting boron gas flow ratios during atomic layer deposition reduces boron concentration in tungsten gates to prevent chemical mechanical polishing damage.

Diagonal corrective elements correct overlay errors beyond X-Y limits, improving manufacturing precision without increasing device complexity.

Curved buffer tank floor guides chemical flow to prevent particle settlement, ensuring reliable substrate treating without mechanical stirrers.

Laser ablation forms blind vias and metal-filled artifacts to reduce device complexity while enabling metal shield cap integration.

Neutron flux modulation reduces 14C defects and radiation damage in doped nitride semiconductors.

Cooling controller regulates valve opening state using a prediction model to minimize inter-zone temperature deviations during rapid cooling.

A trench filled with a metal layer connects epitaxial layers to the source electrode in high electron mobility transistors.

Segmenting conductive vias prevents substrate penetration, reducing leakage current while maintaining high integration density.

Annealing germanium islands before coalescence reduces stacking faults and threading dislocations in the resulting layer.

A turntable film forming method supplies reaction gases from separate parts while rotating substrates to ensure uniform deposition across all wafers.

Radiating grooves on a facing member prevent reaction byproduct adhesion, suppressing contamination and increasing semiconductor yield.

A grinding apparatus measures workpiece thickness using a moving unit to calculate cross-sectional shapes for table tilt adjustment.

A substrate treatment cooling module maintains wafer temperature during gas phase chemical supply.

A defect termination layer and reduced carrier lifetime zone in SiC BJTs prevent dislocation propagation.

Peripheral recesses on a support plate stabilize substrate positioning, resolving vibration caused by pressure differences during gas flow.

Dichlorosilane removes oxide films at 700°C or less, preventing thermal damage and unwanted deposits on insulating layers.

Excimer laser forms silicon carbide layers on silicon substrates at atmospheric pressure, eliminating vacuum processing costs.

Slot waveguide concentrates optical fields in nonlinear polymer cladding to reduce required modulation power.

Real-time contamination detection adjusts drying parameters to prevent throughput loss from prolonged processing times and rework.

A MEMS mirror device integrates comb electrodes and support structures within a single semiconductor substrate to reduce manufacturing complexity.

A substrate processing gas containing IF5 and IF7 stabilizes etching performance through controlled mixture composition.

A semiconductor integrated circuit device uses a buried impurity layer to form high-voltage and low-voltage transistors on a single substrate.

Segmented AlGaN superlattice buffers reduce stress and leakage current while maintaining crystal quality in silicon-based GaN transistors.

Compressive oxide and nitride passivation layers formed via HDPCVD manage stress in semiconductor devices.