Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A trilayer resist with a polymer-bound PAG widens tight lithography process windows while reducing scum, edge roughness, and line width.

A halogen-modified oxide layer is chemically removed with boron trichloride, limiting plasma damage and preserving wafer structure integrity.

Different word line feature sizes create larger contact regions in dense DRAM layouts, lowering contact resistance and reducing shorts.

Monomer-formed oligomer film fills feature bottoms to a uniform height, enabling selective metal deposition without seams, voids, or surface damage.

Organosilane passivation protects low quality oxide during semiconductor cleaning, preserving recess oxides while silicon-containing material is removed.

Reduced-energy implantation seals ILD air gaps while a multilayer dielectric stack limits epitaxial damage and keeps via height acceptable.

A shrinkable collecting layer on the target carrier enables direct μLED transfer while improving mechanical hold and electrical contact.

A SiO/TaO stacked hard mask improves resist pattern resolution, CD uniformity, and CD linearity without slowing overall etching.

Mandrel recesses and spacer-based patterning create non-uniform metal line widths while holding sub-70 nm pitch beyond photolithography limits.

Selective dielectric and doped-layer coverage cuts parasitic absorption and recombination, improving solar cell light use and current.

Adsorbed modifying molecules create an inhibitor layer that blocks unwanted film growth, improving selectivity and reducing cross-contamination.

Pre-spreading a silicon-based curable composition into a continuous film cuts bubble diffusion time and improves pattern filling accuracy.

A slotted shell with gas transmission openings replaces rods to reduce wafer edge effects and improve deposition uniformity.

A layered RF silicon substrate balances high resistivity with mechanical stability to limit slip lines, curvature, and RF loss.

Negative-ion wet cleaning after plasma oxide deposition removes impurities and positive ions that trigger particle defects in semiconductor contacts.

AlGaN island and superlattice buffers suppress dislocations and cooling stress, enabling GaN drift layers above 6 µm for medium-voltage devices.

Alternating light-irradiation zones heat different substrate areas efficiently, cutting power-source size and cost without sacrificing heating performance.

Three separately biased trench gate sections with graded dielectric thickness cut Ron while preserving breakdown voltage and transconductance.

SDB trenches segment fin structures before fin-cutting, expanding the lithography window for minimal fin length and metal gate formation.

A plasma-wet-dry recess cleaning sequence removes impurities and oxide in FinFET fins, improving source/drain epitaxy and lowering resistance.

Layered heating, insulation, reflection, and heat dissipation keep substrates hot for etching while protecting the spin actuator from failure.

Carbon-implanted etch stop layers and three-step etching enable precise SOI layer transfer while trapping boron during high-temperature processing.

Electrochemical pit etching through a SiC substrate and buffer layer lowers specific on-resistance and substrate resistance in power devices.

A gate wrapped around the source contact disrupts the 2DEG in HEMTs, cutting source-drain leakage and removing sub-threshold humps.

Peak-to-peak averaging reduces oscillation bias in positional relationship detection, improving static value accuracy.

Elevated-temperature dopant implantation cuts interstitial and extended defects in FinFET well formation, improving trigger voltage and leakage.

A heat-treated polymer hardmask improves etch resistance and film flatness, helping form ultra-fine semiconductor patterns with cleaner profiles.

Air gap structures between 3D NAND gate layers cut parasitic capacitance, reducing cell-to-cell interference and improving retention.

Two sub-atmospheric oxidation steps with different gas pressures improve oxide film thickness uniformity on heated semiconductor substrates.

Hydrogen-fluorine plasma selectively etches silicon hardmasks over photoresist, enabling thinner resist layers and more stable EUV patterning.

A drain-side silicide blocking structure and sidewall spacer cut deep-depletion formation, reducing MOSFET GIDL and standby power.

Selective sacrificial-layer recessing and protected semiconductor trimming improve 3D DRAM blind recess control without widening access apertures.

A sacrificial-void process forms self-aligned metallized bit line and storage node contacts in 4F2 DRAM, lowering resistivity and masking complexity.

Angled atomic layer etching removes fin sidewall spacer and oxide layers precisely, exposing flank regions while preserving gate spacers.

Support shield trenches and source metallization redistribute electric fields in SiC gate trench MOSFETs to prevent gate oxide breakdown.

Air gaps between 3D NAND memory stacks cut parasitic capacitance during z-pitch scaling, improving cell retention and reducing defects.

A gas storage assembly feeds a perforated delivery pipeline to stabilize pressure and keep process gas concentration uniform across the chamber.

A thicker nitrogen-containing gate oxide over the source region lowers electric field and leakage, extending TDDB lifetime in power semiconductors.

Symmetrical spacers auto-align source, body, and P+ regions to the trench gate, improving UIS balance and enabling tighter cell pitch.

Corner-defined cavity walls guide epitaxial growth of aligned 2D layers, improving interface quality and layer orientation for transistor scaling.

Dielectric-filled cavities and crystallographic etch stops enable extreme backside substrate thinning without damaging front-side devices.

A base-mounted gas wall isolates the process and transfer areas, cutting ALD purging time without particle-prone seals.

Automated wafer transport inside a constant-pressure enclosure links process and inspection tools, reducing manual handling, cycle time, and errors.

Temperature-based switching from electrostatic chuck to mechanical clamping cuts thermal stress and avoids wafer breakage or bouncing.

Using nitrogen-free PEALD chemistry, this case forms SiOC films with low wet etch rates while avoiding photoresist poisoning.

A silicon-oxide hard mask etched with metal-chloride and nitride gases improves profile control for precise high-aspect-ratio contact holes.

Pre-balancing wafer stress with separate crack-forming modified regions suppresses warpage and preserves autofocus accuracy during intersecting laser division.

A plug-last backside trench contact flow removes etch loading effects and lowers power network resistance in scaled multi-gate ICs.

A metal-free oxidizer and nitrogen-containing copolymer raise metal-film etch selectivity while limiting residues and preserving storage stability.

An adsorbed inhibitor controls TiCl4 and NH3 uptake in ALD, enabling adjustable TiN growth and uniform trench step coverage.

Different ion implantation energies keep dopant levels uniform across stacked 3D DRAM layers, improving refresh time and reliability.

Peripheral e-beam treatment removes edge resist before dry etching, reducing bevel peeling, collapse, and particle reattachment.

Inclined shelf ramps and distributed purge gas outlets clear residual wafer gases uniformly while limiting leakage and contamination.

Rounded insulating layer ends and offset spacing on display wiring help prevent chipping during air spraying and reduce impurity-related light defects.

Segmenting the LDMOS source and wrapping the gate around the drain and STI reduces edge current crowding and improves high-voltage breakdown.

Mid-IR edge heating targets water at the bonding interface to slow bonding waves, reduce edge voids, and avoid carrier damage.

Airgaps beside raised source/drain regions and a T-shaped gate cut overlap capacitance while improving breakdown voltage in FETs.

An elastic carrier support cushions uneven display substrate attachment, distributes force evenly, and reduces manufacturing damage.

Different roughness zones on a CMP carrier head membrane raise central friction and prevent edge underpolishing without carrier head redesign.

VUV lamp exposure through a mask patterns substrate surfaces for selective metal deposition without photoresist, solvents, or vacuum.

Pull-out shelves, RFID-tagged carriers, and airflow control raise semiconductor stocker density while protecting workpieces from humidity and contaminants.

A dual sub-unit fin and gate layout lowers heat in high-current regions while improving short-channel control in scaled MOSFETs.

A sealed spacer and interfacial layer confine polymer blocks near the FinFET gate to cut leakage and improve channel control.

A tuned acid-oxidizer-fluorine etchant removes molybdenum and molybdenum oxide while suppressing attack on aluminum oxide and silicon oxide films.

High-pressure oxidation above 2 bar forms self-aligned tungsten oxide pillars at lower temperature and shorter exposure, reducing substrate damage.

Direct coating and radiation curing form a reusable shape memory polymer transfer layer without mold leakage, release issues, or poor scale-up.

Tapered retaining-ring channels draw slurry inward and limit escape, improving CMP planarization while reducing slurry waste and flow-field issues.

Hydrogen plasma sidewall etching enables seam-free silicon gap fill in narrow high-aspect-ratio features without halogen residues.

Controlled substrate rotation spreads a polymer treating liquid into pattern gaps before solvent evaporation solidifies the film for cleaner particle removal.

A solubility-shifted footer layer strengthens EUV photoresist at the base to prevent undercutting and preserve uniform pattern features.

A movable guide member balances resin flow in semiconductor compression molding to cut asymmetry, shorten flow length, and reduce voids.

A low-pH particle-free CMP step removes SiC epitaxial surface pits from dislocation damage, lowering leakage and improving yield.

An ultrasonic unit built into the chuck base cleans the substrate underside uniformly while drain-assisted discharge improves cleaning efficiency.

Pulse-supplied halogen gas slims TiN after deposition to keep film continuity, improve W adhesion, and block fluorine diffusion.

Nickel silicide stacks cut source/drain contact and sheet resistance while avoiding titanium silicide agglomeration in FinFET and GAA FET fabrication.

Plasma-driven silicon diffusion creates selective TiSix contacts and TiSixNy sidewalls, avoiding extra barrier layers and lowering contact resistance.

Virtual emulators and a simulator automate vehicle rail-operation testing without moving the transport apparatus, improving safety and test coverage.

Heater power fluctuation reveals weak electrostatic chuck attraction, helping maintain stable substrate temperature control during processing.

Waste heat from fab power cables is conducted into fluid conduits to cut power loss, prevent condensation, and stabilize gas flow.

Linear adjustment of connected driven members compensates support wear to keep substrate position and clamping pressure stable.

A pad oxide layer protects STI oxide during wet cleaning, keeping active areas coplanar and preserving contact area and electrical performance.

A lifting chuck and horizontal-axis rotation turn submerged substrates while reducing tank height, rotating load, and in-plane nonuniformity.

A nitrogen-graded protective film suppresses silicon diffusion during heat treatment, helping EUV reflective mask blanks retain reflectance.

A bracket with a larger receiver and smaller retention region lets diffusion devices install from outside the container, cutting particles and contamination.

An air gap formed beside a shrunk gate dielectric isolates nearby doped regions, cutting GIDL and improving HKMG transistor performance.

Seed layers enable low-temperature crystallization in hafnium oxide memory capacitors, boosting capacitance while suppressing leakage current.

Air gaps beside a shrunk gate dielectric reduce GIDL while preserving compact semiconductor gate spacing and device performance.

A shared SPM tank with staged transfer and rinsing cuts chemical use while preserving post-CMP cleaning consistency and limiting contamination.

A protruding wall and low-conductance gas path suppress gas entry into low-temperature regions, reducing by-product adhesion and improving film uniformity.

An inlaid hard mask replaces part of the contact cut dielectric to widen process windows and lower source/drain contact resistance.

A curved circumferential substrate support opens escape paths for gas and liquid, cutting edge voids and improving bonding strength.

Alternating bipolar electrodes in a ceramic chuck create gradient force to clamp dielectric wafers while insulative tubes help prevent arcing.

Retracting the stage grip pin during wafer development prevents chemical stagnation, wafer deterioration, and stage damage.

A laterally graded drain oxide helps LDMOS transistors raise breakdown voltage while limiting Rdson and reducing bird's beak effects.

A removable epitaxial layer enables high-energy dopant implantation while leaving a low-energy, ultra-shallow junction in the substrate.

Stacked sacrificial and strained layers enable wafer-scale epitaxial lift-off with controlled bending, reducing cracking and supporting substrate reuse.

A light blocking member lets LEDs preheat semiconductor substrates without flash lamp damage, cutting power use and thermal shock.