Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Oxygen monolayers in a semiconductor superlattice are annealed into a buried insulating layer to cut scattering and improve carrier mobility.

A low-emissivity, high-conductivity thermal protection plate speeds wafer heating and cooling by shielding radiation and spreading heat.

Periodic interruption of film deposition allows substrate separation before sticking to the holder, improving unloading reliability in semiconductor processing.

Passive optical taps and grating coupler feedback enable accurate silicon photonic chip alignment without powering the transceiver.

Laser-heated carbon-rich contact regions in implanted SiC avoid metal reactions, cut short-circuit risk, and lower contact resistance.

Silane-treated hydrophobic via sidewalls block corrosive slurry leakage during planarization, reducing metal loss and improving interconnect reliability.

An electric field guides ion diffusion during wet etching to improve etch directionality and reduce under-etching and over-etching.

A Si:As epitaxial layer engineers FinFET source/drain extension doping to lower contact resistance while limiting dopant diffusion into the channel.

Porous separation layers let a non-porous semiconductor wafer base be recovered after epitaxial device fabrication, cutting wafer cost and material loss.

UV pre-exposure precures photoresist before metal oxide spacer processing, suppressing bubble defects in SAQP and SADP flows.

A conformal VEB mask widens grating lines to increase BEOL edge placement margin and reduce unwanted vias and shorts.

A hypobromite-based ruthenium etching liquid balances high etch rate with lower RuO4 gas generation and fewer RuO2 particle-related yield losses.

A wet-dry bilayer resist stack enables self-aligned EUV cuts that truncate fuzzy line ends and improve pattern fidelity.

Repeated oxynitride deposition and oxidation cycles improve oxide film thickness control and reduce stress for more reliable semiconductor devices.

RFID readers in load ports detect misaligned substrate carriers without contact and block another FOUP from being placed, preventing collisions.

A depletion-layer superlattice with trap source atoms boosts charge carrier mobility and charge trapping for more efficient non-volatile memory.

ALD molybdenum nitride gate films raise effective work function above 5.0 eV while avoiding gate depletion and extra threshold tuning steps.

Using stacked hardmasks and tone inversion, this case cuts overlay error and improves CD control for tight-pitch substrate patterning.

Independent PFD and MFC channels balance deposition and carrier gas flow to improve film thickness and resistivity uniformity across the substrate.

Sequential SPM mixing along multiple flow-path positions maintains resist stripping while cutting sulfuric acid and peroxide use.

A polishing stop layer lets uneven 3D memory channel structures be planarized to equal heights, improving cell uniformity and reliability.

Controlled halogen gas etching removes phosphorus-doped silicon while preserving undoped silicon through a 200°C to 400°C process window.

A two-plasma sequence reforms a metal-containing film, then removes exposed regions while preserving unexposed areas for precise etching.

An isolation layer on the mold separates the substrate from adhered particles, preventing dents and protecting semiconductor package yield.

Selective capping and staged metal deposition improve silicide uniformity in GAA contacts, lowering MEOL junction resistance.

Alternating films in the wafer division region guide laser cleavage, limiting meander and keeping cracks out of semiconductor chip regions.

A backside field plate and substrate transfer let GaN layers move from silicon to a high-conductivity substrate for better heat dissipation.

Etched and oxidized silicon nitride enlarges joint CD in 3D memory channel holes, improving chemical access and etch uniformity.

Atomic layer deposition forms metallic 2D dichalcogenide gate layers that preserve performance in ultra-thin semiconductor stacks.

Post-annealed ITO diffusion into n-type gallium oxide lowers contact resistance and improves ohmic contact in power semiconductor structures.

Electrically floating regions in the edge termination preserve charge balance in superjunction devices and raise breakdown voltage.

MST superlattice interfaces cut carrier scattering in nanocrystal depletion-layer memory, improving mobility and non-volatile charge storage.

Peripheral holding guides on spaced arms keep vertically held substrates aligned while reducing transfer interference and processing time.

A leader-guided curved and linear transport path replaces large drums to wash flexographic plates in a smaller, easier-to-maintain system.

Movable spring-guided connectors let a container lid lock and unlock in one manual action, cutting handling time while keeping secure fixation.

PEI added to a mixed-acid molybdenum etchant reduces top-bottom recess variation, improving etch uniformity and semiconductor yield.

In-situ ALD builds a multilayer ONO stack with tuned nitride sub-layers to improve charge retention and threshold stability in SONOS analog memory.

Reduced-pressure isolation between the top plate and cooling plate suppresses deformation and keeps wafer processing stable.

An implanted silicon layer on SiC is oxidized into gate oxide to smooth the interface, reduce defects, and improve carrier mobility.

A dual passivation stack uses a hydrogen diffusion barrier during dopant activation to cut gate leakage and stabilize Group III nitride devices.

A movable multilayer EFEM transfers substrates between levels without elevators, cutting footprint, hardware complexity, vibration, and particles.

A decentralized first aid platform keeps the load port operable during tool malfunctions, cutting recovery time and limiting wafer exposure.

Pulsed vacuum UV converts flowable silicon nitride into silicon oxide for uniform low-temperature gap fill without long curing or high thermal budget.

A movable bond head pre-shapes and then flattens the die to suppress air pockets, improve bonding quality, and reduce void defects.

A dual-exhaust high-pressure CVD chamber improves step coverage and deposition uniformity by separating coarse and fine pressure control paths.

A chromium-tantalum hard mask stack limits sidewall recession during oxygen-chlorine etching, preserving fine pattern dimensions for semiconductor masks.

A buffer-layered 4H-SiC epitaxy approach improves metal oxide crystal quality, boosting UVLED efficiency and UVC optical power.

A diffused multi-concentration doped region cuts ON resistance in smaller semiconductor structures while also improving breakdown voltage.

A tapered pre-heat ring guides purge and process gas flow to improve deposition uniformity and reduce chamber buildup and cleaning cycles.

A mandrel-based contact hole process enlarges then shrinks the opening to balance deep DRAM etching completeness with short-circuit risk.

High-speed friction forms a removable reaction layer on silicon carbide, boosting polishing efficiency while limiting damage and waste liquid.

Treated hard mask and dielectric layering keep contacts and metal gates isolated at tight spacing, reducing short-circuit risk and parasitic capacitance.

Two movable chucks transfer substrates between adjacent tanks to cut idle time and raise tank utilization in substrate processing.

Two resist layers define metal lines and pillars in one aligned flow, cutting lithography and etching steps in IC interconnect fabrication.

ALD-coated recessed features create a charge balance region that lowers on-state resistance while preserving breakdown voltage.

Wet etching oxide in variable-CD fin gaps enables finer FinFET fin height and channel area control than uniform dry etch removal.

An auxiliary channel tied to the drain adds a parallel current path, limiting trap-driven RON rise in high-voltage HEMTs.

A tailored acid-additive etchant removes nitride films while limiting oxide loss and particle generation in semiconductor processing.

Opposed lateral fluid supply sections shorten substrate-treatment piping, improve front-side access, and reduce liquid stagnation.

A phase change switch built into SiGe BiCMOS cuts parasitics and signal attenuation while enabling reprogrammable high-speed RF circuits.

Unequal-height double-layer windings and a Halbach stator cut force fluctuation in maglev planar motors for stable, precise 6-DOF motion.

Metal-salt accelerators and oxidants raise SiC polishing removal rate without abrasives, helping cut scratches and latent defects.

UV-activated photodegradable groups enable resist underlayer coating to stay low in viscosity during heating while filling and flattening dense patterns.

Etched pits filled with ohmic metal cut SiC substrate electrical and thermal resistance without thinning the substrate enough to weaken it.

Pre-scanned surface height detection lets the laser focal point track wafer irregularities at high scanning speed, improving processing quality.

A two-gas silicide process removes Ti from recess sidewalls after TiSi formation, lowering wiring resistance while preserving the contact layer.

Selective oxidation during Bosch deep etching suppresses top-side lateral widening, improving trench sidewall uniformity and aspect ratio.

Ozone and deionized water form a thinner source/drain oxide, cutting reflection-induced notching and SRAM butted contact leakage.

A halogen source layer diffuses through the gate dielectric to repair interface dangling bonds, improving carrier mobility and reliability.

Plasma nitridation and annealing stabilize thin high-κ gate dielectrics, controlling grain growth and reducing leakage current.

Gallium implantation and annealing in SiGe source/drain regions cut FinFET contact resistance by improving conductivity and limiting resistive compounds.

Spin-on-glass diffusion introduces group II dopants into nitride semiconductors without ion implantation damage, preserving device characteristics.

A gate insulating film that extends into active-region recesses helps suppress corner electric fields and stabilize threshold voltage in memory transistors.

In-situ optical sensing measures wafer-to-pre-heat-ring gap and spacing, letting motors adjust the susceptor without breaking vacuum.

Automated fastening, transport, inspection, and chemical cleaning cut semiconductor maintenance time while reducing manual errors.

Raised portions on the SiC second surface expand electrode contact area, reducing resistance and improving ohmic adhesion.

Different precursor concentrations from two tanks suppress multiple adsorption, improving wafer film-thickness uniformity and wet-etch resistance.

A cyclic vapor process forms SiOCN thin films at lower temperatures, tuning carbon and nitrogen to balance dielectric constant and wet etch rate.

Tuned spike or soak annealing smooths FinFET fins, cuts germanium oxide, and lowers resistivity while improving carrier mobility.

High-density plasma plus >800°C annealing upgrades low-temperature selective silicon dielectric deposition to cut wet etch rate in 3D-NAND.

Dielectric-filled CMG trenches isolate adjacent n-type and p-type wells in memory macros to cut leakage, lower well resistance, and reduce latch-up.

A side-abutting support with vertical elasticity suppresses article sway while preserving vibration isolation in an article transport vehicle.

Dual oxide semiconductor layers and metal word lines reduce carrier depletion in 3D memory cells, improving data retention and stability.

An etch stop layer between glass passivation layers controls thickness variation, shortens pad etch time, and helps prevent bond pad over-etching.

Multi-point substrate thickness patterns are matched to reference profiles to choose etching conditions that reduce post-process film variation.

Two laser processes create aligned damage paths in transmissive and semiconductor substrates, enabling cleaner bonded wafer separation with less loss.

Surface doping and annealing turn low-cost N-type SiC into a semi-insulating surface region that cuts leakage and improves epitaxial matching.

Built-in crosslinkable groups let EUV photoresists cure at lower temperatures, limiting photoacid diffusion and reducing line width roughness.

Alternating p- and n-type GaN columns use epitaxial regrowth to cut specific on-resistance while preserving breakdown voltage and reducing die size.

A multi-peak buffer doping profile with a flat region suppresses short-circuit oscillations while preserving latch-up withstand capability.

Different etch-selective gate layers form recessed memory holes that cut storage-region interference and support higher semiconductor integration.

Sequential etching of stacked hard masks clears cut residues in fin structures, avoiding over-etch, under-etch, and gate-source/drain shorts.

A siloxane-based polyimide precursor cuts thermal expansion and residual stress while preserving transparency and heat resistance in flexible films.

Multiple buried oxide layers at different depths let one silicon substrate support FD-SOI and PD-SOI transistors with lower cost and better stress tolerance.

Fluorine treatment expands gap-filling material in high-aspect ratio gate trenches, removing seams that cause punch-through during etch-back.

A degassing layer embrittles a temporary microelectronic assembly interface, enabling handle removal after 400°C+ processing and reuse.

Matched donor concentrations in stacked gallium oxide layers reduce lattice-mismatch stress and suppress interface cracks in semiconductor manufacturing.

An annular gasket guides deep dielectric etching to expose the target metal layer accurately while reducing offset, over-etching, and leakage.

Controlled convex and concave bending during winding offsets reel-induced warpage, keeping adhesive film alignment accurate for lead frame application.