Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A fluorinated passive film seals pinholes in gold-plated nickel laminate surfaces, improving acid corrosion resistance in semiconductor equipment.

Repeated etchant supply, surface etching, and removal cycles cut chemical waste and shorten wet etching time on large workpieces.

Differential pressure between supply and recovery reservoirs keeps ink circulating and filtered, reducing nozzle clogging during high-flow jetting.

A cup-contacting pivoting holder secures the substrate during lift-off while avoiding solution-flow disturbance and layer adhesion.

A cavity-filled dielectric contact scheme cuts process steps while allowing smaller contact holes and metal lines with better alignment tolerance.

An amino acid booster and pH-adjusted low-abrasive CMP slurry speeds metal planarization while reducing scratches, defects, and contamination.

Dielectric filling regions narrow trench variation during metal gate etch-back, reducing pattern loading and improving gate height uniformity.

Warm-water oxidation forms crystalline oxide particles on III-V substrates, lowering reflectance and boosting photoluminescence for photonics.

Pneumatic stud clamping automates semiconductor tool changeover, cutting manual assembly time while preventing unstable fixation or tool drops.

Segmented contact patterns distribute electrostatic force across warped substrates to improve chucking reliability and prevent surface damage.

A nitrogen-polymer inhibitor and controlled acid-oxidant mix raise titanium etch speed while preserving selectivity, stability, and clean surfaces.

A shared optical line and master-slave polling simplify AGV to load port wiring while reducing noise-induced crosstalk.

A temperature-sensitive oxidizer in CMP slurry balances tungsten etch and removal rates to improve flatness and shorten polishing time.

Grooved transfer substrates and a hydrophobic wiper align micro semiconductor chips in liquid, improving transfer yield for small-chip displays.

A raised source and drift layout cuts parasitic JFET effects, contact resistance, and gate-drain capacitance for faster switching.

A stepped SiC dicing region and insulating layer confine cracks and block moisture or ion ingress, improving MOSFET reliability.

An embedded capacitive fingerprint module links to the smartcard antenna for contactless power and data while blocking external charge damage.

Pre-binned components are placed into mapped unit cells to keep target-substrate performance uniform while preserving pick-and-place throughput.

Heat radiation monitoring during laser machining detects cracks, warpage, and abnormal locations without adding a separate inspection step.

A high-defect intermediate SiC layer suppresses basal plane dislocation expansion, cutting conduction loss and stabilizing device characteristics.

Symmetric two-sided infrared heating and peripheral stack support reduce thermal deformation and preserve alignment during vacuum bonding.

Automatic detection and control of transfer port door panels prevents opening delays between linked wafer machines and keeps wafer handling moving.

A silica slurry with heterocyclic carboxyl compounds boosts silicon nitride removal while limiting oxide and polysilicon loss during CMP.

Alternating ultrasonic and normal cutting on the same line preserves hard-material cutting ability while reducing blade wear and replacement frequency.

A sloped ceramic porous part and elastic body help an electrostatic chuck resist plasma damage, sustain arcing suppression, and keep gas flow stable.

An annular polymer insert and vacuum-sealed bag keep chamber component critical surfaces off packaging materials to limit particle contamination and wear.

Direct laser heating raises wafer temperature without uneven etchant heating, improving etch-rate uniformity across the wafer.

Hydrogen plasma removes carbon residue from the gate stack, and recess capping helps prevent shorting in scaled semiconductor fabrication.

Vortex-ended isolation structures in stacked 3D memory prevent misalignment, abnormal conductive paths, and isolation damage.

Projecting elements hold optoelectronic devices at the peripheral zone, enabling dense transfer and cleaner electrical contacts without sacrificial structures.

A molecular weight gradient in the resist layer improves developing contrast, cutting bridge defects, scum, and line edge roughness.

Halogen-oxygen and hydrogen plasma surface treatment cuts SiC carbon vacancies and interface states to improve MOSFET channel mobility.

Low-temperature etching of Cr or V absorber alloys enables self-passivated EUV mask patterning with tighter sidewalls and smaller critical dimensions.

Backside PECVD through a shower-pedestal balances wafer stress and limits topside deposition without wafer flipping, improving yield.

A sleeve and pepper pot retain the ejector as one aligned unit, cutting die attach replacement time and damage risk.

Multiple load ports and multi-direction chamber connections increase wafer throughput and keep substrate transfer running if one front end module fails.

Selective epitaxy and ion implantation form a SiC JFET structure that avoids trench-etch damage while lowering on-resistance and raising breakdown voltage.

Independent gas pressure control and deflection sensing align bonded substrates more precisely while reducing scale distortion from wafer variation.

Light-species implantation and damaged-layer removal enable SiC layer transfer with ohmic vertical conduction while limiting crystal defects.

Adjusting laser pulse width to object thickness and target fracture length improves cut surface quality while maintaining processing speed.

A recessed SiC trench gate uses a low-resistivity field plate and thick inter-layer insulation to spread electric fields and suppress dielectric breakdown.

A long pulsed-laser spot swept in its longitudinal direction suppresses thin-wafer backside heating while maintaining annealing activation.

A recessed SiC trench gate with a field plate and thick inter-layer insulating film suppresses electric field peaks, moisture ingress, and breakdown variation.

Individually controlled holder zones shape the bonding wavefront to offset substrate asymmetry, improving alignment and reducing run-out.

A higher-bandgap barrier and embedded opposite-polarity structure improve 2DEG control while integrating a p-n diode in nitride HEMTs.

A dual-wall exhaust path and shield plate create a labyrinth flow that blocks chamber crossflow, preserves process pressure, and limits contamination.

A carbon and mask layer patterning flow improves small active area uniformity before epitaxial growth, helping reduce semiconductor fabrication cost.

An annular dummy isolation layer stabilizes edge dummy node contacts in DRAM and blocks etching penetration that can short bit lines and contacts.

A conductive doped wafer back side improves RF coupling in plasma etch and deposition, reducing thickness variation and boosting yield.

Nanowire interconnects in a cured prepeg package absorb thermal displacement while maintaining current flow and heat conduction.

Vertical isolation and drift-region layout reshape the electric field to raise MOS breakdown voltage without larger area or extra process cost.

A two-resin-sheet cavity supports recessed wafers without spacer changes, enabling faster separation of the reinforcing ring.

Variable-width nozzle sections speed photoresist flow and maintain uniform spin coating while reducing resist consumption and cost.

A dicyanostyryl underlayer composition avoids crosslinkers and acid catalysts to resist developers yet dissolve in wet etchants for cleaner removal.

Pre-assembled wafer carriers in an IO buffer keep transport running during stocker downtime and cut wait times in dense vertical storage.

Curved conductive surfaces and layered contact holes increase capacitor-to-landing-pad area, cutting resistance without enlarging memory cell capacitors.

A fluid reservoir creates a barrier seal that keeps substrates isolated from moisture and contamination during direct tool-to-tool transport.

An AlGaN graded interface in AlN-based HEMTs suppresses 2DHG, reduces coulomb drag on 2DEG, and preserves GaN channel quality.

A vertical fin protrusion expands gate coverage along the trench sidewall to cut leakage, lower subthreshold swing, and stabilize BCAT channels.

Dark absorber bodies opposite the transfer port balance chamber heat sinks, helping keep substrate temperature gradients to about 10°C or less.

Additional insulated mesa regions isolate rough mesa ends in SiC JFETs, cutting leakage current and improving high-voltage reliability.

Selective removal of the non-modified layer over a hollow region helps cracks connect across the space and improves stealth dicing accuracy.

An inhibitor liner on silicon oxide blocks unwanted deposition, enabling selective silicon film growth on adjacent surfaces above 400°C.

Multi-peak laser pulses enable gradual hydrogen release before annealing, reducing film bursting and improving display annealing uniformity.

Automated position detection before and after substrate rotation measures stage deviation quickly and accurately without opening the processing container.

A graded SiGe layer and buried tapered inner spacer strengthen nanosheet isolation, blocking lateral junction leakage under the gate.

Adjustable side cavities and wedge positioning improve molding flow around multiple chips, preventing non-filling and void traps.

Matrix LED edge heating with oxygen gas removes carbon deposits from substrate peripheries with better control and less damage than laser or plasma.

Keeping the support attached during post-lift-off polishing spreads load on nitride semiconductor islands, limiting cracks and chipping while smoothing the surface.

ClF3 chamber cleaning followed by air purge removes SiC deposition residues that would otherwise cause impurities and defects in later films.

Built-in polishing indication parts expose the endpoint during semiconductor layer finishing, enabling precise thickness control after laser lift-off.

TEOS shielding preserves the ONO stack during SiN spacer etching, enabling mixed-voltage MOSFET and SONOS integration on one substrate.

Alternating discharge flow rates disrupt stagnant liquid and curb galvanic corrosion, improving etching uniformity across multiple substrates.

Shared dummy bit lines connect opposite dummy regions to expose short circuits faster, reducing 3D NAND test time, cost, and wiring complexity.

Oblique ion implantation and plasma treatment create selective protection layers that shield active-region corners during trench isolation etching.

Sacrificial and bridging materials form spaced bridges in 3D NAND arrays, improving wordline access and lateral electrical isolation.

A protrusion cavity and photoelectric valve control remove CO2 bubbles automatically, stabilizing wafer cleaning flow and reducing downtime.

Narrow-street plasma etching singulates GaN chiplets with backside vias onto stretchable tape for high-yield pick-and-place hybrid integration.

A self-aligned three-layer bottom spacer improves VTFET uniformity and cuts parasitic capacitance from the bottom source/drain.

Sequential first-gas reaction, vacuum exhaust, and second-gas curing remove ligand impurities from thin films and improve resistivity control.

Variable plate spacing lets wafers be stored compactly, then spread apart for safer pickup and placement with less damage risk.

A thin spin-coatable adhesion layer below EUV photoresist improves resist bonding, reduces pattern collapse, and preserves etch rate.

Sliding retaining bars with separating teeth secure full and cut wafers during immersion, preventing escape and reducing the need for multiple holders.

Pre-patterned protective tape enables plasma dicing without photolithography, then organic solvent removes mask residue to cut cost and defects.

A controlled temperature gradient near the furnace opening cuts thermal damage while keeping semiconductor substrates at high process temperatures.

Composite oxide-silicon films and staged nitride removal help 3D NAND gate stacks resist wet-etch thinning, collapse, and dielectric deformation.

A stepped conductor in a recessed semiconductor structure cuts GIDL while keeping resistance low through sacrificial-layer etching.

A hydroxyaryl-terminated film composition resists SC-1 wet etching, covers stepped substrates well, and still supports fast dry etch removal.

Localized inert gas flow clears moisture from the cooler transfer chamber region without full heating, protecting components and yield.

A dry film resist over a light blocking pattern enables thicker, high-aspect partition walls while preventing pin holes and mold damage.

A 3D ranging sensor broadens lower-space coverage in overhead transport vehicles to avoid obstacle misjudgment during article lifting and transfer.

Offset dielectric and metallization heights let annealing-driven expansion close bonding gaps, improving 3DIC wafer alignment and strength.

Nickel source gas diffuses atoms into amorphous silicon before annealing, reducing silicide agglomeration and surface roughness.

Process module-specific transfer positions keep substrates centered on stages, preserving clearance and improving processing uniformity.

A replaceable gripper isolates chemical exposure from the holder body, improving maintenance, corrosion resistance, and substrate processing uniformity.

High-purity DMAC with controlled gaseous impurities and inert sealed storage cuts C2H3 contamination in aluminum implantation and atomic layer etching.

A cyclic etch sequence removes fluorine from the mask protective film, preserving selectivity while sustaining metal film etch rate.

Grooved ion-implanted source and drain contacts increase metal-semiconductor area, lowering GaN HEMT resistivity without burr-forming alloying.

Pre-patterned trenches guide conformal graphene growth to define precise device structures, eliminating complex etching steps and improving fabrication control.

A polysilicon layer acts as a gettering site within the SOI wafer structure to trap metallic impurities.

Titanium adhesion layers prevent peeling of gold-zinc electrodes from thick resin layers, simplifying photolithography for high-frequency modulators.

A polish stop and sealing layer structure manages deep trench isolation fabrication steps.

Dual isolation structure with equipotential terminal mitigates external voltage interference, reducing leakage current and increasing breakdown voltage.

Preliminary thermal oxide layer blocks nitrogen diffusion into silicon substrate, enhancing charge carrier mobility in field effect transistors.

Dual rapid thermal annealing reactivates dopants and repairs bonds in strained-silicon transistors.

Selective etching creates a dual-layer hard mask with varying dimensions, resolving stability issues in finFET fabrication.

A trench gate switching element with a low concentration corner region suppresses electric field concentration around the trench, enhancing voltage resistance.

Graded aluminum gallium nitride layers modify two-dimensional electron gas density in high electron mobility transistors.

A segmented gate structure for gallium nitride transistors uses an undoped layer to form a channel and a doped layer to block current leakage.

A 2D hexagonal boron-nitride layer interfaces with high-k dielectrics to block atomic migration.

A baking process creates an iron oxide layer on metal members, preventing corrosion and contamination when hydrogen peroxide gas liquefies inside the chamber.

Ion implantation modulates conductivity in GaN epitaxial layers to create tailored junction termination structures.

Isolation plates segment the chamber volume to confine gas flow, preventing wastage and ensuring uniform thin film formation on substrates.

Concentric pillar height variations on a non-planar support surface reduce the gap to warped substrates, lowering required chucking voltage.

Segmenting the fin body isolates the undoped channel from the doped punchthrough stop, eliminating random dopant fluctuation while controlling sub-fin leakage.

A semiconductor light emitting element manufacturing method forms a conductor layer to connect n-type and p-type layers.

Infrared radiation dries peripheral photoresist to prevent adhesion to gripping devices, maintaining full coating coverage without pre-removal.

Edge-mounted fixing means on a carrier system minimize substrate shadowing, ensuring uniform deposited layers and extending equipment lifespan.

Angled ion implant creates a hardened spacer and self-aligned drain junction in vertical field-effect transistors, reducing gate-to-drain parasitic capacitance.

Terminal structures suppress line width roughness while maintaining uniformity to prevent pinholes.

A base frame with vertical rod extensions accommodates rollers to adjust spacing between conveyer belts and carriers.

Adjusting fusion beam parameters based on reference length eliminates high spatial frequency roughness while maintaining crystalline integrity.

Lateral epitaxial expansion in recess patterns induces channel strain while maintaining layer quality and productivity by avoiding critical thickness limits.

Thermal oxidation thins semiconductor regions from below to avoid lithography topology issues and SIMOX crystal damage.

Selective electroless plating forms semiconductor contacts without barriers, reducing resistivity and avoiding CMP mechanical stress.

Uniform and nonuniform well layers in a GaN quantum well structure balance low operating voltage with high emission output.