Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A staged gate-layer patterning and etching flow forms flash memory and CMOS gates accurately in tight gaps, reducing defects.

Multiple gas ports and suction stabilize laminar flow around the laser spot, clearing particles and keeping irradiation uniform.

A low-melting, high-vapor-pressure tungsten precursor improves CVD and ALD supply stability while reducing carbon residue in thin films.

A mechanical support element at the buried dielectric interface preserves semiconductor strain during deep trench etching for strained-channel FETs.

Segmented transfer plates use guide members and stepped insertion parts to align long substrate shafts while reducing friction particles.

A partial dipole layer along the FinFET gate creates asymmetric threshold voltage to suppress GIDL without shifting overall device behavior.

Placing the high-voltage gate in a substrate trench preserves surface uniformity in embedded memory ICs while reducing metal loss and threshold shifts.

A heat-curable step substrate coating fills open and patterned areas without photoirradiation, simplifying planarization film production.

Cone-shaped and granular asperities on a deep-UV light extraction surface suppress total reflection and raise output intensity by 32%.

Three concentric lamp heating zones improve CVD substrate temperature uniformity while limiting the complexity of added heating control.

Adjacent CTE-tuned materials strain PMOS and NMOS channels at high temperature to preserve carrier mobility and transistor performance.

Reaction annealing intentionally reveals interface bubbles, then partial debonding and rebonding restore strong semiconductor adhesion and conduction.

An interfacial silicon nitride layer blocks dopant diffusion in a polysilicon field plate MOSFET, preserving reverse blocking and low RDSon.

A polycrystalline κ-Ga2O3 stress relaxation layer enables single-crystal oxide growth with lower dislocation density and less abnormal growth.

A vertically overlapped EFEM and load lock cuts wafer tool footprint while preserving atmosphere control and transfer efficiency.

Using different SAM blocking layers on metal and liner surfaces, this case limits lateral film growth and defects in area selective deposition.

A silicon prelayer and two-step tungsten deposition cut wiring resistance without TiN barrier and nucleation films in scaled LSI structures.

Surface conversion after CMP enables selective etching of exposed dielectric areas, improving within-chip planarization uniformity without over-etching.

A spacer-defined lithography-etch flow uses mandrels, sidewall spacers, and cut fill to form precise orthogonal interconnect trenches in ultra-low-k films.

Reentrant bonded portions in carrier tape packaging balance peeling force, prevent part jump-out, and reduce cover tape rupture.

A constrained holder-guard structure suppresses processing-solution splashback, cuts particle generation, and simplifies cleaning.

Flowable polysilazane deposition with UV cure and anneal fills narrow features without seams and coats wider CDs conformally with lower stress.

Peripheral suction openings preserve wafer clamping stability while clearing the center for high-contrast reflected or transmitted-light inspection.

A thin AlGaN nucleation layer enables 2D GaN growth on SiC, reducing surface roughness, stress, and wafer bow versus direct growth.

Vacuum holes and a perforated release film hold substrates flat during package molding, preventing misalignment and avoiding mold cleaning.

Layer-by-layer SiOCN deposition with two-stage thermal modification removes impurities, densifies the film, and improves HF and ashing resistance.

Nitrogen-ring resist underlayer chemistry enables thinner semiconductor films with stronger etch, heat, and bending resistance.

Laser-formed modified layers and bonded supports enable horizontal SiC wafer separation with less grinding, lower waste, and wafer reuse.

A dual-mask and sacrificial-layer approach severs strip patterns cleanly, enabling precise arrayed active regions in memory substrates.

Heat-formed nanosteps enable optical crystal-axis alignment below ±0.1° before bonding and thin-layer transfer onto a carrier substrate.

A thin underlayer neutralizes basic moieties from the hard mask, reducing photoresist scum and improving adhesion during lithography.

Amorphizing and fast-annealing source-drain regions from the bottom side preserves metastable dopant activation and lowers contact resistance.

Cooling hydrogen peroxide below 70°C enables cleaner cyclical metal silicate deposition with lower chlorine and hydrogen residues.

Variable substrate entry and exit speeds in an SC1 bath create compensating etch gradients that improve SOI silicon thickness uniformity and surface finish.

Printed support structures, markers, and anchors hold substrates in place to maintain accurate inkjet registration under vibration.

Alternating reactant pulses suppress top buildup and enable seamless dielectric filling of deep recesses, avoiding voids and substrate oxidation.

Chemical cleaning removes heat-treatment carbon residue before second metal deposition, improving SiC contact adhesion and conductivity.

Dielectric dummy fins shift gate cut placement to ease overlay limits, isolate adjacent gate segments, and support denser FinFET and GAA layouts.

A widened reservoir upstream of the vent line uses fluid inertia to suppress supercritical CO2 pressure hunting and protect the relief valve.

Strategic filters in the IPA supply and return lines remove foreign substances, improving liquid purity and substrate processing stability.

Movable facet mirrors match EUV beam width to reticle pattern size, cutting wasted coverage and exposure time without REMA blocking.

Different threshold-voltage ions in stacked nanowires balance GAA FinFET gate currents and lower turn-on voltage to improve reliability.

A two-level gate electrode creates contact height clearance that prevents gate-to-source/drain shorts and improves SAC process margin.

A curved transition on the PECVD carrier ring limits by-product buildup at the wafer edge, reducing local defects and easing wafer transfer.

A PVD tungsten liner, nitridation, and CVD bulk fill cut stress and resistivity in high-aspect-ratio tungsten gaps without voids.

A crystalline pillar guides ions into a defined bulk region while a buffer layer stops scattered ions to improve implantation accuracy.

Using tilted etch steps, this case forms narrow ILD openings over transistor and resistor regions without extra photolithography, simplifying fabrication.

Cyclic low-temperature deposition with thermal and UV curing fills narrow gaps with void-free SiCN films while improving stability and etch resistance.

A cut-off dielectric and protected Co plating define metal zero layer width, lowering contact resistance while reducing oxidation loss and yield risk.

A Group 13 or 14 cap layer shields the first metal film during second metal deposition, limiting etching, oxidation, and film resistivity.

A turntable with a Venturi gap uses compressed air to hold substrates securely during rotation.

A semiconductor pillar production method forms alloy layers via heat treatment to create precise impurity regions within the device structure.

Vertical stacking of cleaning and inspection units reduces interface station footprint while maintaining substrate purity.

Atomic oxygen pre-treatment removes organic polymers from substrates while preventing k-value increases in low-k dielectric layers.

Hydrolyzing zinc compounds enables liquid deposition of zinc oxide layers, reducing equipment costs and complexity compared to vacuum processes.

Nitride and SiGe composite structures apply tensile stress to the channel, improving on-state resistance without increasing fabrication complexity.

A wiring structure uses a hollow portion in the conductive film to prevent stress concentration and ensure reliable electrical connections.

This LED device uses a three-dimensional electron cloud structure to spread current, eliminating separate window layers and reducing manufacturing complexity.

A chemical cleaning method using hydrogen peroxide and dilute hydrofluoric acid to remove tungsten plug excess portions from semiconductor wafers.

Extending metal gate into isolation structure increases effective area while maintaining manufacturing precision during device scaling.

A semiconductor device uses a thermal oxide region to reduce specific on-state resistance.

Segmented replacement gates induce targeted channel strain through epitaxial source-drain films, boosting drive current without increasing device complexity.

Controlled buffer layer deposition on asperity substrates prevents pit formation, ensuring high crystallinity and improved light extraction efficiency.

Laminating a high-reduction rolled Cu alloy foil to a metal plate creates a substrate with precise biaxial crystal orientation.

Dual-material embankment suppresses liquid outflow and maintains temperature uniformity across the substrate surface during wet etching.

Hydrogen ion implantation creates a split layer in oxide wafers, enabling thermal separation onto support substrates while preventing cracking.

Doping isolation layers with large atoms stabilizes FinFET fins, preventing bending and oxidation to improve yield.

Vertical tungsten plugs replace lateral bus-bars to reduce gate resistance and prevent passivation layer cracking in trench gate semiconductor devices.

A gate insulating film with spatially varying impurity concentration modulates local threshold voltage to suppress random telegraph noise in transistors.

A pattern-forming composition combines two styrene polymer types with distinct weight average molecular weights to coat base patterns.

A semiconductor method forms a volatile matter emission preventing layer on silicon compound films to control oxidation processing.

Resistance modulation in CMOS drivers enables high bandwidth optical communication without custom processing steps or transistor performance degradation.

A conformal protective seal lines gate stack sidewalls and isolation features to block wet etchant penetration during semiconductor fabrication.

Segmenting conductive layers with grain boundaries controls doping concentration and prevents diffusion, resolving trade-offs between depth and precision.

A sacrificial metal portion shields inter-layer dielectric layers during metal gate line-cut processes in FinFET structures.

A polymer-based organic hard mask composition enables selective dry etching in semiconductor lithography processes.

A soluble hard mask layer protects high-k dielectrics and improves photoresist adhesion during metal gate patterning.

A movable electric discharger removes static electricity from charged work pieces and machining chips, eliminating the need for multiple fixed units.

Spacer etching creates sub-lithographic alignment marks, resolving scanner visibility limits in scribe line areas.

Deep p-type body region in silicon carbide relaxes electric field stress at the gate insulating layer.

A semiconductor pattern fabrication method uses a sacrificial structure layer to shrink line widths without damaging the device.

A pattern transfer method uses a pre-formed first pattern to stop closed-end transfer, eliminating post-processing cutting steps.

Infrared radiation preheats precursor gases at the injection point, minimizing heat loss and stabilizing temperature during transport to the processing region.

Low temperature oxidation adjusts PMOS metal gate work functions above 4.82 eV without exceeding thermal budgets.

Ion implantation reduces compressive stress in carbon hardmask layers, preventing pattern roughness and mechanical deformation during semiconductor etching.

A semiconductor structure merges gate and resistor electrodes into a shared substrate layer to form a series-connected device.

Ion implantation drives dopants to the interface, shifting the work function to lower threshold voltage while maintaining thermal stability.

A method removes heavy metals from thinned semiconductor substrates by attaching a rear surface material that lowers the potential barrier.

Ion implantation creates a trap-rich polycrystalline layer that reduces body-to-body leakage and radiofrequency losses in high-voltage III-V devices.

Maintaining constant pressure in the process chamber prevents turbulent gas flow, reducing temperature fluctuations and shortening stabilization time.

A gas injector creates a radial flow field above the substrate center to prevent dust and mist adhesion, eliminating mechanical blocking plates.

Woven flexible electrodes accommodate thermal expansion while maintaining uniform plasma generation across semiconductor wafers.

A semiconductor device uses a ridge structure on the active area to increase pattern size and enhance electrical performance.

Sequential catalyst supply during oxidant delivery reduces gas phase reactions and impurities, improving deposition rate and film purity.

Segmenting the interior into separate storage, injection, and exhaust zones eliminates dead zones and ensures uniform purge gas flow across all wafer surfaces.

Segmented cover surfaces retract to isolate fumes while an air hood supplies purified gas, preventing re-contamination of the substrate.

Lateral epitaxial growth fills openings to form buried isolation layers within bulk semiconductor substrates.

Thermal diffusion of germanium into a silicon fin creates a facet-free SiGe channel with uniform concentration, resolving epitaxial growth faceting.