Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Geometric groove segments in a CMP pad slow radial slurry loss, improving wafer zone thickness uniformity and reducing slurry consumption.

A sintered composite lower plate matches the ceramic chuck’s thermal expansion, reducing bond failure, wafer damage, and maintenance.

A stacked sub-spacer structure tunes MV MOS transistor spacing to cut GIDL leakage while preserving integration density across LV, MV, and HV devices.

Air gaps formed in isolation trenches lower bit line coupling capacitance, helping dense semiconductor pillars retain better electrical properties.

Carbon-doped nitride tiers improve etch resistance in stacked memory arrays, enabling thinner layers, fewer seams, and better protection during wordline formation.

Multiple sensors on an inspection wafer measure guide heights and nozzle clearances to prevent wafer interference during resist coating.

Zoned light emitters boost heating at transfer-contact regions to preserve in-plane substrate temperature uniformity before processing.

A stacked Si p-channel and oxide n-channel layout uses shared electrodes and back-gate threshold control to cut area, power, and temperature drift.

A cyclic inhibitor-precursor-reactant sequence builds uniform, seamless films in concave substrate features without the deposition-rate loss of inhibition gases.

Sequential ALD and wet-to-dry annealing form conformal STI dielectric layers that eliminate voids and seams in FinFET structures.

Controlled grain boundary length and oxygen diffusion in an indium oxide film raise carrier mobility and on-state current with reliable transistor operation.

Offset doped regions beside termination trenches help power transistors sustain breakdown voltage while smoothing edge potential transition.

Plasma or corona activation boosts bonding sheet adhesion to the wafer and frame, preventing glue scatter, contamination, and water ingress during dicing.

Self-aligned hard mask patterning preserves spacer thickness and vertical sidewalls to reduce gate-contact leakage in scaled semiconductor structures.

Selective Ge contact deposition with metallic liner and cap layers protects SiGe surfaces from oxidation and etching while lowering CMOS contact resistance.

A quaternary ammonium etching composition removes SLAM quickly while limiting damage to copper lines and dielectric materials.

Selective cobalt or ruthenium deposition at the via bottom enables liner-less bottom-up contact fill, avoiding seams and lowering resistivity.

Cyclic fluorocarbon deposition, sputter lining, and flush steps tighten critical dimensions and smooth sidewalls during nanoscale plasma etching.

Region-specific dielectric height correction compensates CMP iso-dense bias, reducing copper thinning, erosion, and dishing across pattern densities.

A silicon-gas-soaked intermixing layer blocks oxygen and metal diffusion in metal gates, stabilizing work function and threshold voltage.

A chlorine-oxygen thermal etch removes tungsten and other metals selectively in deep features without plasma damage or residue.

Single and double diffusion breaks isolate P-type and N-type FinFETs to improve drive current leakage ratios without added process complexity.

A high-phosphorus silicon layer and scandium contact stack preserve active dopants during annealing, keeping semiconductor contact resistivity low.

A peroxide-ammonia cleaner with phosphonic corrosion inhibitors removes titanium residues quickly while limiting aluminum and dielectric etching.

A plug-last cut metal gate uses dielectric plugs to ease tight IC spacing, improve metal fill, and reduce voids in nanowire and fin structures.

Ion implantation raises nitride buffer resistivity to cut leakage currents while preserving crystal quality for epitaxial semiconductor growth.

A stepped bit line with a lower source/drain overlap and spaced contact cuts parasitic capacitance and improves memory cell electrical characteristics.

A multi-chamber halogenation gapfill process forms a flowable layer for void-free filling of high-aspect-ratio gaps without air breaks.

Fluorine plasma selectively thins bonded silicon dies below 30 μm while protecting the substrate and avoiding grinding damage.

An altering agent changes a heat-treated substrate film so it can be selectively removed without losing processing resistance during fabrication.

A protective helmet on the cut metal gate dummy plug prevents filler loss and etch residue on FinFET epitaxial surfaces.

A surface-adsorbing growth inhibitor slows ALD reactions, removes chloride by-products, and improves thin-film step coverage and uniformity.

Loading data sets drop-prevention spacing in an overhead hoist, avoiding width measurement while securing container transfer under vibration.

Selective SiCN and HARP filling shields exposed gate oxide in metal gate high-voltage slots from plasma and charge damage.

Selective ion implantation into STI regions adds tensile or compressive stress in ETSOI transistors to raise drive current without extra masks.

Active centering cams and vacuum pads keep wafers aligned during EBR while vacuum sensing detects absence, misplacement, or defects.

Hydrogen-compound adsorption followed by H2 treatment prepares the wafer surface for more uniform, reliable atomic layer film growth.

A cyclic hydrogen and halogen plasma etch uses crystallized water to shield oxide surfaces while selectively removing silicon nitride.

A cover film shields exposed adhesive in a transport tray module, preventing tray contamination while securing fragile parts against damage.

Ion implantation creates a thermal separation layer that splits bonded SiC epitaxy for easier defect measurement and better wafer yield.

Selective wet etching forms precise scribe lines in germanium wafers with III-V layers, avoiding dry etching, laser ablation, and underetch damage.

A shaped vessel headspace equalizes gas flow saturation paths, improving precursor delivery for low-volatility materials while limiting decomposition.

Free-rotating emergency wheels and a coupling device let an impaired suspended-track vehicle be towed safely without blocking facility operations.

Periodic active, gate, dummy gate, and cut layouts create a uniform device environment that supports miniaturization and higher transistor density.

A dual-sided gate connection cuts GaN gate resistance to raise gain, improve switching speed, and reduce leakage current.

Low-temperature O2 or N2 plasma stabilizes etched III-V surfaces before dielectric deposition, improving interface quality without slow atomic layer etching.

A counter-doped channel region forms a PN junction that suppresses GIDL leakage while preserving gate-all-around current control and density.

Segmented drift-layer doping and staged thermal drives lower Power MOSFET Rdson while preserving breakdown voltage.

A fluorine-containing region beside the lower-work-function word line traps electron-hole pairs to cut GIDL and improve memory performance.

Plasma-free ALD with halogenated silicon precursors and amines forms SiCN films with low k, low wet etch rates, and high step coverage.

Segmented barrier layers protect the channel and threshold voltage during gate formation while enabling normally-off GaN HEMT operation.

Switchable holding grooves let substrates shift between face-to-back and face-to-face alignment, cutting wet-process liquid use.

A floating siloxane upper layer improves thin photoresist contrast, limits line collapse and bottom scum, and preserves etch budget.

Water-soluble resin fills wafer cut-grooves during back grinding, blocking grit intrusion and rinsing away fast to improve chip yield and throughput.

Segmented induction heating and gas cooling enable wafer annealing with fast, uniform thermal cycling while limiting warping and material damage.

Periodic transfer-chamber temperature control cuts energy use while keeping substrate temperature stable between low- and high-temperature process chambers.

A metallic clamping approach secures EUV inner pods and reticles to cut contamination, mechanical damage, and storage footprint.

A sacrificial absorber coating enables high-temperature laser annealing of implanted wide-bandgap semiconductors while limiting etching, oxidation, and defects.

Separate gate and source/drain silicide formation lowers gate resistance while preserving source/drain integrity in CMOS transistors.

A tacky overmolded deck secures semiconductor components without punched cavities, reducing damage and enabling denser transport.

Atomic diffusion bonding and a preformed protection layer support ultra-thin semiconductor transfer while reducing cracks, breakage, and detachment.

Hydrogen plasma and a reactive metal layer remove the van der Waals gap in metal dichalcogenide contacts, lowering resistance and boosting drain current.

A lateral channel placed above the field electrode trench shrinks pitch and channel length while preserving conductivity and breakdown robustness.

Selective spacer exposure and SOC etching create small, medium, and large gates without extra masks, cutting double patterning time and cost.

Different buried gate depths and widths let dense array cells coexist with wider periphery channels for lower resistance and higher current conductivity.

A sidewall etch-path layer enables air sidewalls in array regions while protecting peripheral devices from etch damage and yield loss.

An embedded gettering layer between the epitaxial silicon and buried oxide traps metal impurities, reducing SOI defects and leakage.

Different buried gate depths in array and periphery regions balance dense layout with wider channels for stronger periphery current conductivity.

A COS, perfluorocarbon, and oxygen plasma improves selectivity and local CD uniformity when etching stacked oxide-nitride dielectrics.

Implant damage forms a junction-less edge termination that spreads electric field crowding and avoids high-temperature annealing in power semiconductors.

An inhibitor-based wet etch forms a protective layer on high-k dielectrics, improving p-metal removal selectivity and limiting damage.

A dry-deposited Si-C-O-H underlayer boosts EUV absorption and electron transfer, cutting dose while improving pattern fidelity and CD uniformity.

A grooved pad locks filler legs during supercritical substrate drying, preventing vessel scratching, metal particles, and substrate defects.

Focused acoustic energy in cleaning fluid removes 20 nm particles from wafer edge and bevel regions without contact or heavy chemical use.

A vertically stacked complementary GAA MOSFET uses a common surrounding gate to improve channel depletion and suppress short-channel effects.

Overlapping receiving patterns turn die repair matching from 2D area calculation into 1D sequences, improving usage rate and repair consistency.

Multiple heated gas tanks are switched to sustain chamber pressure and flow, improving film-forming rate and film quality on substrates.

A DCS plasma treatment forms a silicon-based outer layer on an organic mandrel to prevent collapse and etching during spacer deposition.

A dual-layer coating on the substrate support resists preclean gas corrosion and reduces backside metal contamination during oxide removal.

A three-step front coat, rear clean, and rear coat sequence protects patterned substrate edges from damage and contamination.

A nitrogen-containing etch gas with inert gas improves vertical silicon hole profiles, CD control, and mask selectivity without sacrificing etch rate.

A recessed channel lowers electric field strength at the gate and source/drain interface to curb GIDL, hot carrier injection, and leakage.

WF6 in the etch gas forms a tungsten nitride sidewall layer, enabling deep TSV etching while protecting low-k materials from damage.

ALD ceramic passivation in chip trenches blocks solder rise on bare flanks, preventing leakage and short-circuits during PCB assembly.

Controlled curing and pyrolysis of polysilocarb precursors produce semiconductor-grade SiC and SiOC with lower cost and less contamination.

A liquid metal junction pins the Fermi level during AlGaN epitaxy, boosting Mg incorporation and p-type conduction while suppressing defects.

Organic vapor dry development selectively removes metal-containing EUV resist to reduce pattern collapse and avoid delamination.

Controlled grain boundaries and crystal orientation help copper bonding wire cut cleanly, bond strongly, and avoid tool detachment.

A cyclopentadienyl-amidinate lanthanide precursor improves volatility and thermal stability for high-quality high-k thin films with lower leakage.

Si precursors tailored for ALD above 550°C suppress parasitic CVD, enabling conformal SiO2 and SiN films with low wet etch rates.

Alternating ALD reactants and inert purges improve TMDC thin film thickness, uniformity, and impurity control for 2D materials.

Bonding a low-defect SiC layer to a higher-defect SiC base cuts substrate waste and cost while preserving conductivity and device yield.

Deep trench isolation extending below STI lengthens leakage paths in LDMOS wells, lowering power use in embedded flash ICs.

A Ge-containing epitaxial layer is thermally reshaped to prevent source/drain voids and lower contact resistance in multi-gate GAA transistors.

Stepped and rounded chamber surfaces calm high-pressure fluid turbulence at the substrate edge, improving pattern uniformity and yield.

A 3D calabash-shaped MIM capacitor increases surface area to raise capacitance in dense IC layouts without enlarging footprint.

Controlled plasma ALD/CVD cycles raise radical density and ion energy to fill high-aspect-ratio features with fewer seams or voids.

Automatic discharge and replenishment keep substrate processing liquid clean, limiting particle and eluate buildup without frequent full exchanges.

A replacement-based nested FeRAM structure cuts photomasks and shortens interconnects, enabling lower-cost embedded memory with lower power.

A diffusion enhancement layer between the channel and source-drain improves dopant diffusion, lowering FET resistance and delay.

A hinged die carrier uses recessed pins, locking features, and ESD-safe materials to protect semiconductor samples from damage and contamination.

Different-width trenches and multi-level isolation patterns improve channel confinement and electrical reliability in dense semiconductor cells.

A multi-peak proton donor profile in the field stop region cuts reverse recovery loss while limiting peak current, tail current, and voltage change rate.

Support shielding structures between gate trenches lower corner electric fields, protecting gate oxide reliability and aiding avalanche current flow.

Metal halide-assisted selective capping enables super-conformal, seamless contact fill that lowers line resistance in semiconductor structures.

A polymer-based coating composition improves wet etch and solvent resistance while filling semiconductor microstructures without voids.

Offset elastic supports in a wafer transport package reduce storage case tilt while preserving vibration and impact damping during shipping.

Phase-changing a first silicide lets a second precursor diffuse and form segregated silicide regions that lower contact resistance in scaled devices.

Cyclic halogen surface treatment removes impurities and roughness without plasma or CMP damage, enabling cleaner epitaxial growth on dissimilar materials.

A confined reaction space creates in-plane precursor gradients, enabling large-area metal chalcogenide films with tunable bandgaps for sensors.

Vapor-phase ALD and cyclical CVD selectively deposit conformal organic films on different surfaces, improving thin-film masking on high-topography chips.

Focused oxygen or nitrogen ion implantation forms dielectric isolation in silicon channels, avoiding STI stress effects and leakage from active gates.

Sparse piers support alternating dielectric layers in 3D memory arrays, preserving void and pattern tolerances during processing.

As+ or O+ ion implantation forms a thin isolation region in the SOI handle wafer, raising resistivity and reducing RF parasitic coupling.

Processing gas trims overgrown FinFET coating regions after loading-driven deposition, equalizing layer height and reducing defects.

Different top silicon thicknesses on one SOI wafer enable fully depleted and partially depleted devices in a single fabrication flow.

Using organometallic light absorption plus a longer-wavelength additive, this resist improves CD precision, resolution, and etch resistance at lower EUV dose.

Bayesian and Markov-based analysis separates multi-defect RTN signals to characterize individual oxide defects and support CMOS reliability prediction.

A controlled adhesive layer around the insulating tube cuts temperature variation above the base plate through-hole in semiconductor wafer support members.

A trench-formed NiO-Ga2O3 heterojunction uses sputtered nickel oxide and nickel layers to raise breakdown voltage and cut leakage current.

A vacuum orientation chamber turns OLED substrates vertical to cut footprint and keep masks and carriers under vacuum, reducing contamination.

Dielectric-embedded doping induces charge in CNT channels, enabling CMOS-compatible GAA FET fabrication with lower contact resistance.

Vertical SAGE endcaps use oxide spacer sidewall engineering to cut diffusion spacing while avoiding etch shadowing and metal remnants.

An upward-transition field electrode enables low-resistance trench MOSFET contact while preserving dielectric breakdown strength.

A lower-hardness coating on wafer-contact surfaces cuts scratching and contamination while preserving plasma-resistant handling component strength.

Pre-silicidation cleaning and rapid thermal annealing remove oxygen clusters that raise RFSOI resistance before silicide formation.

Metal-catalyzed oxidation forms uniform oxide regions in 2D material stacks without masking or etching, improving semiconductor integration.

Pressurized backside gas and perimeter vacuum hold thin wafers flat without touching optical devices, preventing sagging and damage.

A conductivity-controlled removal liquid clears electrostatically attached etch by-products after wet etching, improving substrate quality.

Temporary dummy metal lines improve BEOL patterning margin, then are removed to keep non-full-track capacitance low.

Pressure-based residual monitoring estimates solid material left in sublimation vessels, enabling timely switching and abnormality detection.

An anisotropic cut EPI step separates merged source/drain epitaxy, increases fin spacing, and supports deeper, more reliable contacts.

An expanded trench portion in stacked nitride and oxide layers increases electrode-to-landing-pad contact area and lowers resistance.

Alternating Ti or Ta and Al vapor precursors with nitrogen enables low-temperature thin films with lower work function and resistivity for semiconductors.

A sacrificial carbon-containing barrier film protects high-aspect vertical holes in 3D memory fabrication, preserving electrical properties and reliability.

An annular cover plate spreads heat across a heated substrate support to reduce hot spots, improve film thickness uniformity, and ease maintenance.

Staggered energy-sensitive patterns and a lining layer enable one etch step to form openings of different depths with lower cost and time.

A dielectric wall fin keeps adjacent source/drain epitaxial layers from merging in dense FinFET layouts, improving shape control and Ion/Ioff.

A recessed electrostatic chuck with a protruding resin layer keeps adhesive thickness uniform, reducing wafer temperature variation during etching.

Spacer-layer implantation and annealing create uniform channel doping and graded source/drain doping to cut FinFET leakage and power use.

Metal silicide patterns under a metal layer cut source/drain contact resistance on III-V semiconductor layers and improve device operation.

A TSV-linked protective substrate drains plasma-etch charge from upper metallization in 3D ICs, preventing oxide damage and antenna effects.

A stepped gate with an elevated portion and vacuum gap lowers vertical electric field and leakage current in thin-film transistors.

A staged liquid-film and gas treatment sequence keeps particles from reattaching to rotating substrates while maintaining cleaning efficiency.

Full-spectrum photometry tracks processing solution and substrate surface changes in real time for tighter single-wafer wet process control.

Automated transfer between reactor and conditioning chambers cuts epitaxial reaction unit downtime while limiting air exposure during maintenance.

An organometallic photoresist with ylide ligands suppresses aging-related changes while improving etch resistance and pattern precision in IC lithography.

A segmented chuck table uses vacuum holding and scrap-area fixing to stop splash damage to solder balls during semiconductor package cutting.

An inclined spin cup wall redirects cleaning mist away from the wafer surface, reducing light point defects during spin cleaning.

UV pretreatment removes photoresist residue and sidewall tilt before SADP mandrel etching, reducing dense-sparse linewidth deviation.

Pre-shaping stress in a donor layer enables uniaxial strain transfer into semiconductive layers without cutting, material loss, or crystal defects.

CMOS electrode arrays enable parallel patch clamp measurements across many sites, boosting screening throughput while avoiding bulky mechanical setups.

Dynamic sequence adjustment prioritizes substrate queuing through idle transfer modules to cut transfer time and raise processing throughput.

Localized ion implantation through a mask transfers raised substrate blocks while preserving crystal quality and enabling donor substrate reuse.

Creep annealing in an amorphous lower semiconductor region adjusts strain before recrystallization, improving local transistor strain control.

Air-gap cavities between FinFET gates and source/drain plugs cut parasitic capacitance and improve static electricity control.

High-power plasma deposition with later bias application fills recessed semiconductor features without seams or voids while reducing chamber-transfer contamination.

A segmented trench-and-hole template forms vias wider than wiring lines, improving dual damascene connection reliability while avoiding shorts.

A polymer layer embedded in crystal grain boundaries blocks etchant entry, equalizes etching, and reduces substrate surface roughness.

A low-viscosity photosensitive edge coating forms a cured barrier that blocks metal contamination and cross-contamination during wafer processing.

Thermal expansion in the chamber fine-tunes wafer edge etching width, improving uniformity and letting one tool handle multiple specs.

Plate-shaped thermally conductive particles and spherical abrasives raise CMP rate on fine pitch structures while limiting scratches and deformation.

A fast source-gas pulse, purge, and slower refill improve film uniformity in deep concave structures while reducing upper-region gas buildup.

A single platen with pad-in-a-bottle slurries replaces three back-end CMP platens, cutting wafer transfers, pad changes, and downtime.

Measured template features drive a correction map for resin dispensing, improving nanoimprint pattern accuracy and residual film uniformity.

An oblique pulsed laser cuts a wafer bevel from the opposite surface, avoiding knife edges, breakage, and reflected-beam oscillator instability.

Air gaps and asymmetric source-drain spacing cut gate-drain capacitance while raising breakdown voltage in compact RF-SOI transistors.

Selective inlet and outlet gas channels let one load port handle different wafer cassette models for gas filling and suction.

Vertical spacing between wordline and bitline cuts coupling capacitance, lowering SRAM power use while preserving fast access and density.

Sacrificial layers and etch selectivity enable contact holes with different depths while minimizing substrate exposure and loss.

Controlled fusion bonding limits devitrified area in quartz heat treatment members, preserving strength and transparency for semiconductor processing.

Radially zoned heating controls local evaporation during substrate drying, protecting fine patterns from stress caused by uneven liquid flow.

Holding the substrate still while brushing only the lower center cuts cleaning liquid use and prevents flow to the opposite surface.

An acousto-optic deflector corrects f-theta and galvo scan distortion, enabling high-speed laser skiving with precise features and lower thermal effects.

Simultaneous holder lowering and elevating-member raising speeds substrate handoff while reducing vibration, power use, and opening size.

A trench-based L-shaped LDD formed without ion implantation sharpens channel boundaries and cuts short-channel and sub-threshold leakage.

Tin oxide mandrels enable selective spacer patterning with hydrogen, chlorine, and fluorine etches for tighter geometry control in semiconductor fabrication.

Low-temperature organochloride plasma etching improves recessed silicon feature shape, limits bowing, and maintains mask selectivity.

A narrow doped shield below the trench and a graded current spreading layer lower electric field peaks while preserving breakdown and low JFET resistance.

Filling substrate grooves before scraping off excess and heat curing improves planarity and reduces cracking in dense processed films.

A germanium and crystalline silicon fin channel improves multigate gate control while limiting oxidation and process damage during fabrication.

Hydrogen-ammonia surface reduction and in-chamber nitride regrowth remove native oxides and cut electrode contact resistance.

Iterative N2 passivation, H2 reduction, and O2 etching pattern ruthenium interconnects with less undercutting and corner rounding.

Substrate rotation in an RTP chamber evens thermal radiation exposure while a magnetic fluid seal preserves vacuum with low maintenance.

Adjustable support arms catch and carry mixed wafer cassette types in overhead transport, preventing drop damage without major tool changes.

Multi-height adjustment marks let optical detection means correct tilt and wedge errors for more accurate substrate bonding alignment.

Seed and thermal source layers crystallize hafnium oxide at lower temperatures, raising capacitance while suppressing leakage current.

Reflowable dielectric annealing fills non-planar SiC surfaces without voids or seams, enabling photolithography while preserving dopant stability.

A stop layer controls backside etching in 3D memory fabrication, improving thickness uniformity while simplifying doping and raising yield.

Alternating fast deposition cycles with higher-power oxygen plasma densification cuts process time while preserving silicon oxide film quality.

An actuator-driven lift adjusts spray bars to match PCB component height, reducing manual setup and improving substrate cleaning efficiency.

Raising contact metal above FinFET fins cuts triggered voltage instability while maintaining lower metal gate resistance.

A protruding disk structure shrinks center and gap voids to balance process and purge gas flow, improving substrate processing uniformity.

External imaging and backlighting verify wafer and notch position on the platen, correcting ion implant misalignment before defects occur.

Laser heating melts an amorphous or polycrystalline semiconductor layer, then controlled cooling forms epitaxy without vacuum or high substrate heat.

An oxide overhang mask and angled ion implantation form deep trench shielding while preventing p-type dopants from entering the n-type drift region.