Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Full-thickness amorphization plus nanosecond laser annealing improves source-drain doping uniformity while lowering thermal budget and resistance.

Maintaining the furnace inner surface at 70–80°C prevents chloride buildup and metal corrosion during chlorine-based cleaning of semiconductor components.

Multiple insulating layers reshape the trench gate groove to preserve withstand voltage while maintaining gate quality.

By calculating drum diameter, suspension length, and thickness per vehicle, the controller achieves accurate lift stage positioning.

A localized porous section at the chuck gas-feed interface lengthens the discharge path to suppress arcing without restricting cooling gas flow.

Diluting hydrogen with inert gas keeps partial pressure below flammability limits, enabling controlled atmospheric oxidation and better oxide conformity.

A sacrificial silicon ring forms sealed air spacers around contact plugs, cutting parasitic capacitance without premature cavity closure.

A substrate buffer enables direct transfer from a second treating block to the indexer, easing indexer load and suppressing throughput loss.

Higher liquid retention at the substrate edge prevents premature edge drying and shortens supercritical fluid drying time.

A conductive superlattice in the RF ground plane reduces carrier scattering and dopant diffusion, boosting mobility and breakdown voltage.

Multiple hard masks and dual EUV patterning shrink interconnect wire spacing, raising device density while limiting capacitance-driven delay.

A multi-part main body and cooling-rib assembly simplifies extrusion manufacturing while improving thermal transfer and compact cooling performance.

Localized printed materials with tailored modulus and curing behavior counter wafer stress regions, reducing bow and enabling further processing.

Laser annealing drives germanium toward the SiGe surface in selected regions, enabling CMOS co-integration with improved carrier mobility.

Automated debonding moves thin wafers by breathable plate and Bernoulli arm to prevent fragmentation during cleaning and transfer.

A fluorine-free plasma releases fluorine from chamber coatings to raise wafer bonding energy without exposing bonding equipment to process gas damage.

Spin-coated photocurable resin cures into a peelable polymer layer that captures fine particles from substrate surfaces without damage.

Dissolved oxygen monitoring and buffer-tank IPA supply keep oxygen low during supercritical drying to prevent substrate pattern collapse.

Through proximity pins let an ultra-thin heating plate support a spaced substrate while improving thermal response and reducing stress concentration.

Dielectric gas regions in GAA nanosheet transistors cut parasitic capacitance between gate, source/drain, and contacts to reduce noise.

A multilayer light-shielding film controls 193 nm reflectance and surface hardness to cut particles and pseudo defects in photomask inspection.

Multiple isolated through holes and a removable sacrificial layer expand DRAM electrode area to raise capacitance without enlarging cell size.

Two-step silicon and carbon implantation forms a SiC-rich gate spacer layer that resists ILD etching and reduces spacer loss.

Automated robot handling aligns wafers, reads edge laser marks, and sorts them gently to cut manual errors and wafer defects.

Low-temperature vacuum heat treatment crystallizes Hf-based ferroelectric thin films while reducing oxygen vacancies and carbon defects for better reliability.

A three-region silicon carrier balances low COP, stable resistivity, and bulk microdefects to withstand SOI thermal processing.

A two-step etch uses a sidewall protective layer to shrink hole critical dimension while avoiding high-aspect-ratio etching failures.

Upper and lower magnets with an electromagnet toggle wafer lift-pins, cutting actuator count for a compact, reliable Z-rotary stage.

Localized frame clamping corrects substrate warpage and cushions pressure, improving reliable microLED self-assembly on large-area displays.

Dummy channel strings are replaced with insulator to define through-array vias, improving 3D memory density and direct electrical access.

Independent gas pressure control and deflection sensing keep substrates aligned during bonding while reducing scale distortion.

A primary lithography pattern plus sidewall secondary patterning cuts critical dimensions below pitch limits without new lithography tools.

Edge protrusions confine cooling gas and liquid around the substrate perimeter to improve temperature uniformity and contaminant removal.

A virtual time axis simulates substrate operations to expose deadlocks early, test sequence orders faster, and improve throughput.

A superconducting I-shaped gate cuts parasitic resistance and capacitance in cryogenic HEMTs, enabling lower noise and power use.

A localized high-resistance region below the trench gate insulator reduces electric field concentration and prevents irreversible avalanche breakdown.

A dielectric sidewall layer shields active region edges during etching, enabling smaller DRAM dimensions with better reliability.

Replacing dummy contact oxide with nitride isolation lines prevents HF erosion, reducing stray capacitance and bit line shorts in DRAM.

Atomic hydrogen passivates SiO2 defects at 100-300°C, cutting charge trapping and improving NBTI reliability under tight thermal budgets.

Alternating sacrificial layers relieve stress in 3D memory stacks, preventing insulating-layer buckling and conductive disconnection to improve yield.

A backside field plate and bonded high-thermal-conductivity substrate let GaN heterojunction layers handle higher voltage and power with better heat dissipation.

A nested ring-and-plate shield contains and evacuates particles during Z-axis and rotational stage motion to keep semiconductor substrates cleaner.

Dynamic hand offset adjustment based on substrate thickness or deflection prevents contact damage during cassette loading and unloading.

Split-shaped laser spots anneal a reflective photomask border to steepen edge slopes, shrink the forbidden area, and avoid layer cracking.

Vacuum-driven guide alignment centers a substrate on the holding plate, improving heating or cooling process reliability.

Pre-wetting solvent fills stepped substrate recesses before spin coating, enabling flat photosensitive resin films with less material loss.

A self-aligned gate dielectric uses crystalline ferroelectric and amorphous regions to cut parasitic capacitance, leakage, and subthreshold limits.

A sidewall channel formed by two-step epitaxy cuts SiC channel resistance while preserving high-voltage blocking and positive preset voltage.

Resistance-based wafer offset correction improves concentric placement on the susceptor, helping stabilize epitaxial thickness and reduce particles.

Co-flow precursor and reactant pulses with mini purges raise deposition rate while preserving conformal metal film coverage on 3D features.

Isolation trenches cut into upper 3D NAND pillar portions to remove dummy pillars, increase active density, and preserve select gate function.

A mask-free sacrificial oxide process prevents divot-thinned gate oxide near STI, raising drain-gate breakdown voltage for high-voltage devices.

Localized thickening at recessed gate dielectric corners suppresses corner current and keeps MOSFET threshold voltage more uniform.

A nickel-barrier-aluminum gate stack lowers gate resistance while blocking aluminum diffusion to preserve Schottky junction integrity.

A grooved edge region and central detachment layer enable thinner crystalline substrates while reducing edge chipping, fractures, and handling issues.

A segmented polysilicon gate with a RESURF trench structure improves the capacitance-resistance trade-off in trench MOSFETs.

A vertical nitride heterojunction with a body electrode improves voltage withstanding and carrier mobility on foreign substrates.

Multiple insulated gate segments cut gate-drain overlap in LDMOS, lowering Miller capacitance and switching loss while preserving breakdown voltage.

Heat radiation monitoring detects workpiece abnormalities during laser machining, enabling real-time inspection and better product yield.

Feed acceleration is adjusted to the mounted chuck table, improving wafer processing speed while preventing excess load on the feeding mechanism.

A single-crystal nucleation layer enables diamond growth while preserving surface quality, improving heat extraction in semiconductor substrates.

Alcohol or aldehyde vapor pre-clean removes oxide residues from metal and dielectric layers while limiting leakage and conductivity loss.

Concentrated sulfuric acid with oxidants removes doped amorphous carbon hard masks selectively, protecting oxide, nitride, and polysilicon.

A holding fluid stage counteracts scrub pressure on thin wafers, enabling thorough particle removal without warping or cracking.

Magnetic inserts in kneaders and extruders capture foreign material from encapsulant compounds, improving cleanliness and device reliability.

A TiN adhesion layer followed by ALD cobalt in FinFET contact trenches cuts contact resistance while improving adhesion, conformity, and reliability.

Two-stage pressurization stabilizes shared-volume precursor delivery across multiple chambers while cutting valve cycling, waste, and cost.

Switchable transport modes and attachment checks let one wafer container handler pack and unpack contact and noncontact formats with less tact time.

A silicide upper string selection line cuts poly-silicon resistance in 3D memory, improving speed, lowering power, and avoiding bridging.

An oxidizer, fluoride source, and acetylenic hydroxy additive enable fast SiGe removal while suppressing silicon etching.

An internal shuttle and hoist decouple carrier storage from OHT paths, using idle fab space to cut queueing and transfer time.

Low-temperature PEALD plus densification plasma enables selective film retention on target surfaces, avoiding multi-mask lithography.

Cooling gas fed between adjacent substrates evens electromagnetic heat treatment, preventing wafer warpage and cracking in dense processing.

A shield layer implanted between the gate and drift layers cuts mirror capacitance ratio and switching loss without adding process complexity.

A vertically stacked support and lift structure handles warped substrates in one degassing chamber, boosting throughput while limiting contamination.

Conformal oxide, protective, nitride, and insulating layers control trench step height, prevent material loss, and improve memory isolation reliability.

A dual-trench SiC layout uses a connection region and asymmetric openings to improve switching while lowering on-resistance and leak current.

A photodefinable cover film shields underfill on singulated IC dice from contamination, then opens selected areas for stacking.

Segmented global and local write drivers cut bit-line RC loading, improving memory write speed and reliability across cell columns.

Laser-formed separation layers let GaN epitaxial wafers split into chip and recycle parts, cutting new wafer preparation and improving throughput.

Heated solvent vapors under reduced pressure remove plasma-dicing residues from singulated die while preserving carrier adhesion.

Variable spacer thickness in self-aligned double patterning enables local metal-line spacing control to balance capacitance and die area.

A heat-formed Ni oxide film on the Au surface blocks Ni diffusion into Si insulating films, reducing nickel silicide and gate leakage.

Independent radial actuation lets rotating chip transfer heads cut friction, improve placement accuracy, and reduce downtime.

A mixed C3/C4 isomeric organofluorine plasma gas improves etch selectivity and pattern profiles while limiting hole distortion in semiconductor etching.

An interface oxide in a carbon-doped polysilicon gate stack blocks dopant penetration, enabling higher net doping with lower gate resistance.

Multiple sidewall exhaust holes shift cooling gas flow from upward to horizontal, improving chamber temperature uniformity during forced cooling.

A carboxylic acid ester in the resist film suppresses standing waves, improves pattern uniformity, and avoids extra anti-reflective coating steps.

Rounded outer anchor trench corners cut stress concentration in tungsten membrane pressure sensors, improving reliability and reading accuracy.

Stepwise Al-content buffer regions and dislocation-guiding masks enable thick nitride semiconductor growth with higher crystallinity and no cracking.

A sidewall-contacted LDMOS gate expands electrode volume to cut gate resistance and improve gate-to-drain capacitance for RF power amplifiers.

A hydrogen-oxygen plasma selectively oxidizes dielectric surfaces while preserving metal conductivity in single-chamber pre-clean.

Editable machine functional flows let semiconductor etching tools adapt to process changes without full software updates, cutting downtime and manual effort.

Microwave annealing forms insulative silicon dioxide for vertical transistors at lower temperatures, protecting pre-fabricated structures.

Selective carbon deposition on patterned photoresist improves hardmask etch profile control, selectivity, and line width accuracy.

A ring-mask annular fin with inner and outer gate control boosts integration density while managing semiconductor process complexity.

Repeating SADP with a staircase spacer and reversal layer forms sub-12 nm trenches and holes with improved LER and LWR.

Radial vacuum seating stabilizes multiple workpieces during rotation, improving polishing uniformity and reducing defects from speed differences.

Isolated conductive layers in each 3D memory tile reduce parasitic capacitance to improve bias control and data storage efficiency.

A shallow indent isolation with liner and dielectric fill increases gate separation in 2T SONOS cells to reduce breakdown and data loss.

Primary annealing forms nitride films that prevent over-etching and voids in copper interconnections, ensuring uniform resistance and constant trench depth.

A wet processing nozzle supplies a precise cleaning liquid volume to fill the gap between the supply device and the wafer surface.

Dynamic flow rate adjustment accelerates chamber filling while maintaining pressure control, reducing drying time and preventing pattern collapse.

A lithography support table uses burls and elongate protrusions to enhance thermal coupling with the substrate.

Bis-t-butylamino silane nitride liners resist etching damage while exerting tensile strain to boost NMOS carrier mobility.

Heavier element doping reduces PN junction step height, preventing metal silicide film breaks at the interface while maintaining low gate resistance.

Asymmetric trench dielectrics with low-K drain materials reduce on-resistance while sustaining high breakdown voltage.

Heat-treating oxidized ruthenium under vacuum activates the film for copper plating, eliminating voids in high-aspect ratio features.

Thermal spraying joins a plate-shaped resistor between electrode plates, removing adhesive layers to improve thermal conductivity and responsiveness.

Physical vapor deposition forms a tapered electrode that eliminates seams and rough surfaces, ensuring consistent device performance.

Segmented epitaxial cap layers mitigate non-uniform growth and mechanical stress, improving device performance consistency by at least 6%.

Insulation film removing tape covers openings to prevent over-etching damage to electrode pads and improve chip yield.

Oxygen gas oxidizes arsenic residues in a load lock chamber, eliminating zero ppb outgassing and boosting throughput.

Amorphous dielectric regions block grain boundary leakage paths, reducing defect density and trapped charge in memory cells.

Multi-layered ion implantation masks prevent photoresist tail formation to ensure uniform impurity distribution and reduce transistor defects.

An inlet baffle directs purge gas into a ring hole space to remove porogen deposits, preventing quartz window fouling and maintaining UVC light transmission.

Silicon carbide trench gate MOSFETs reduce ON resistance by aligning side walls with specific crystal planes to minimize channel resistance.

A dual gate semiconductor structure reduces maximum electric field intensity through a self-aligned extended drain design.

Angled ion implantation hardens photoresist sidewalls, enabling selective bridge defect removal while preventing resist loss during etching.

Separate TEOS and Ozone pathways prevent polymerization and particle formation while maintaining uniform film deposition.

Selective etching compensates for non-uniform pressure during chemical-mechanical polishing to prevent dishing and stop layer removal.

Segmented etching with intermediate hardmasks improves vertical selectivity and prevents structure collapse during high aspect ratio feature formation.

Pulsed chemical vapor deposition cycles incorporate silicon into titanium nitride layers, eliminating grain boundary paths that allow metal diffusion.

A vertical fin field effect transistor uses a T-shaped fin structure with a surrounding gate insulating layer and work-function-control pattern.

An insulation flow part lines the gas passage to prevent abnormal discharge during plasma generation.

A dielectric wire mesh atmospheric pressure plasma jet generates stable plasma to remove fluorinated polymers from semiconductor substrates.

A dual stage positioning system eliminates the cable stage to reduce structural complexity and motion interference.

A molecular layer etching process removes metal-organic films using lithium and trimethylaluminum precursors.

Flash lamp silicide formation reduces chamber pressure and supplies nitrogen gas to minimize oxygen exposure, thereby suppressing resistance increase.

Curved sidewalls in the lower dummy gate electrode increase spacing from source and drain regions, reducing leakage current and parasitic capacitance.

A blackening line reduces transparency of a transparent conductive metal layer using hydrogen plasma processing before exposure.

A semiconductor light emitting device uses segmented electrodes to reduce contact resistance and prevent lateral current spread.

Graded indium gallium arsenide in the source/drain extension reduces band-to-band tunneling leakage currents.

Block copolymer self-assembly creates sub-40nm holes, bypassing photolithography resolution limits.

Lowering hafnium surface density in N-channel transistors maintains threshold voltage while improving ON current and extending TDDB lifetime.

Rounded junctions in insulating trenches manage stress distribution, preventing crack formation at intersections.

Segmenting the protecting layer isolates the repairing line in a groove, preventing mechanical damage during rinsing while maintaining electrical connectivity.

Masked etching removes high-defect regions from Group 13-15 base layers, reducing threading dislocation density in GaN substrates.

Selective growth on convex side surfaces creates a current confining structure in nitride semiconductor devices.

A heat electrode uses tantalum carbon nitride deposited via thermal chemical vapor deposition without plasma.

A dual-stage lithography apparatus integrates wafer and measurement stages to stabilize position control during scanning exposure operations.

Adjustment portions filled with heat-conductive resin compensate for varying heat density, ensuring uniform substrate temperature control.

Epitaxial doped film adsorbs ions to form micro-cracks, reducing surface roughness and implantation damage during ultra-thin material preparation.

A silicon carbide trench gate MOSFET uses equal width deep and guard ring trenches to enable uniform epitaxial growth of p-type impurity layers.

Photochemical deposition removes pore water and converts hydrophilic Si-OH groups to restore the dielectric constant of plasma-damaged low-k films.

A bulk semiconductor structure with multi-level polycrystalline regions reduces parasitic loss in RF devices.

Segmented superlattice structures reduce defect densities while enhancing charge carrier mobility through lattice mismatch strain.

Merge layers provide flat surfaces for epitaxial source-drain growth, preventing sidewall faceting and defects in multigate finFETs.