Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Aligned purge-ring apertures extend argon residence time at the wafer edge, reducing cooling and improving film thickness uniformity.

Interchangeable stacked motor modules let one substrate transport spindle adapt drive axes and Z-axis travel without major rebuilds or extra carriage designs.

Alternating precursor adsorption and oxygen oxidation forms semiconductor oxide films with lower impurities, uniform thickness, and no plasma damage.

Different-rate filling layers and planarization create a larger, void-free bonding surface between device and carrier substrates.

Automatic phase detection and variable inductance tuning align RF voltage and current to reduce resonant damage and improve ultrasonic uniformity.

Multiple hard mask layers with different etch selectivity protect gate and conductive features during contact etching to prevent shorts and leakage.

A solid dielectric liner plus flowable fill enables void-free filling of high aspect ratio openings while avoiding high-temperature damage.

Thermal germanium diffusion forms SiGe fins without substrate etching, avoiding corner kinks while improving fin uniformity and mobility.

Merged and non-merged spacer masking prevents sub-trench etching that can break patterned mask layers, improving semiconductor yield and reliability.

Edge sensors on a wafer measure process kit gaps and erosion, enabling faster chamber calibration, precise alignment, and fewer defects.

Applying different voltages to a base pattern controls precursor deposition rates, enabling precise target patterns with less process time.

Measures chamber and substrate-support temperatures at multiple wavelengths to detect buildup early, maintain accuracy, and reduce downtime.

A separate LED curing station avoids non-uniform UV transmission through the superstrate chuck, improving planarization uniformity and reducing optics complexity.

Sequential infiltration synthesis densifies a carbon hardmask with aluminum oxide to improve etch selectivity and reduce line roughness.

A double semiconductor-on-insulator stack enables vertically opposed CFET channels, raising transistor density without sacrificing fin current capacity.

A high-temperature non-flowable layer blocks hydroxyl-driven defects before low-temperature flowable deposition enables void-free recess filling.

Metal plug connections with passivation replace doped paths to cut electron leakage, dark current, and premature edge breakdown.

Silicon-based blocking molecules stay stable at 400-650°C, preventing dielectric deposition during selective silicon epitaxy.

Plasma-free fluorine precursors remove silicon deposits from chamber components while reducing erosion, cycle time, and greenhouse gas emissions.

Dual exhaust paths switch from controlled to rapid fluid discharge, shortening supercritical substrate drying while preventing pattern leaning.

Spacers and recessed dielectrics enable a third via with lower aspect ratio, improving routability in four-track standard cells.

An elastic presser keeps the guide roller engaged through direction changes, cutting load port door vibration, noise, wear, and particles.

Fluidized solid precursor particles improve carrier gas contact and evaporation, while pressure-based monitoring helps prevent source depletion losses.

A two-stage etch forms shallow trench transistor contacts without penetrating the gate or field plate, reducing leakage and short-circuit risk.

Trenches etched beside the gate let CESL boost transverse tensile stress, improving carrier speed in high-k metal gate transistors.

A bayonet-locked detachable carrier ring reduces wafer thermal stress while preventing ring discharge and sticking during epitaxial deposition.

A partitioned high- and low-temperature chamber cools protective gas by heat exchange to speed high-pressure heat treatment cycles.

Dynamic wafer spin control shifts from high to low rpm during HF oxide removal to limit roughness, water marks, and micro particles.

A self-aligned gate-defined layout controls source/drain length and contact openings to shrink MOSFETs without lithography misalignment limits.

Automated feeding and scraping apply glass powder evenly on wafers, cutting manual variability, defects, and costly rework.

A nickel-first silicide stack suppresses titanium agglomeration and cuts source/drain contact and sheet resistance in sub-10 nm FinFET and GAA FETs.

A gap-isolated bit line formed with dummy and sacrificial layers cuts parasitic capacitance, avoids etch damage, and improves memory yield.

A single lithography step and self-aligned contact formation shrink MOSFET source/drain dimensions, cutting area, leakage, and power.

Hydrogen gas control enables in-chamber titanium silicide and titanium nitride deposition with better conformality, lower contamination, and reduced parasitic resistance.

A widened mini-tank and sloped inlet pipe let bubbles separate before pumping, cutting venting waste and wafer coating defects.

PVP in a fluoride-oxidizer etch protects Si, SiOx, and SiN while enabling faster, more selective SiGe removal for nanosheet fabrication.

Oxide repair on FinFET contact sidewalls enables selective bottom-up tungsten fill, preventing selective loss defects and improving yield.

An annular UV source cures the outer edge region separately to avoid chuck-induced intensity peaks and keep planarization uniform.

A graded SiGe-to-Si source/drain stack cuts lattice-mismatch defects and contact resistance in germanium N-channel devices.

Co-depositing unsaturated carbon and Si-H precursors forms flowable silicon films that cut voids and stress while improving etch resistance.

An auxiliary precursor stabilizes thin-film deposition, suppressing side reactions and chloride by-products to improve coverage, uniformity, and resistivity.

Alternating superlattice layers, selective etching, and capping measurements help equalize channel wire thickness and spacing in horizontal GAA transistors.

Multiple ion implantation steps separate JTE and active-area doping in a SiC MPS diode to stabilize breakdown and improve avalanche ruggedness.

Second-metal gas deposition forms uniform metal films on W word lines and insulators, avoiding TiN barriers in high-layer 3D NAND processing.

Air gaps sealed between bit lines and source lines cut parasitic capacitance in 3D memory arrays, enabling higher-frequency operation.

Direct bridge-based die transfer aligns unpackaged semiconductor die onto product substrates to cut package thickness, cost, and assembly time.

Zone-based wafer alignment switches between single- and multi-zone compensation to cut topography-driven overlay errors and residuals.

Raised support pins let a robot place a superstrate with controlled force, improving chuck alignment and target parallelism during planarization.

Pulsed ultra/mega sonic cleaning stabilizes cavitation to remove fine particles while protecting wafer patterned structures.

Two-step thermal oxidation rounds and thickens gate oxide at STI corners, improving high-voltage device reliability with lower process cost.

Retains hard mask on PMOS dummy gates during source/drain implantation to equalize sacrificial gate removal rates and reduce process complexity.

A semiconductor device uses a localized high doping region in the anode to improve conduction characteristics and reduce switching loss.

An amorphous silicon nitride strain-absorbing layer reduces misfit dislocation density during gallium nitride growth on silicon, improving material quality.

Heating the titanium nitride electrode layer suppresses threshold voltage variations across different frequencies and ranges.

Non-semiconductor interface layers in transistor source/drain regions limit dopant diffusion, resolving control challenges during device miniaturization.

A tunnel field-effect transistor uses a low energy band-gap layer between source and drain regions to enable band-to-band tunneling.

A replacement metal gate fabrication method forms uniform structures through sequential dielectric and conductive layer deposition.

A laminate low-k dielectric liner protects sidewalls during post poly pull cleaning to form robust spacer profiles.

Segmented coarse and fine positioning mechanisms reduce alignment time while maintaining high precision in ultra-small device packing.

Selective epitaxial growth deposits high mobility materials on FinFET fins, resolving reliability and CMOS compatibility issues.

A substrate treatment system uses a pre-supercritical zone to expand fluid before the process chamber.

A concentration sensor placed in a bypass flow path monitors processing liquid silicon levels without direct exposure to the main circulation loop.

Block mask forms mandrel line cuts after non-mandrel etching to prevent metallization distortion and shorts caused by spacer thickness limits.

A self-aligned gate electrode extends laterally on protective and dielectric layers to eliminate physical gaps at the semiconductor interface.

A magnetically levitated linear stage transports reticles using hysteresis motors and magnetic suspension.

Multiple protrusions and fine recesses on a ceramic electrostatic chuck suppress particle generation while improving cooling gas heat dissipation.

Sacrificial heteroepitaxy creates defect-free SiC substrates for trench gate power MOSFETs, resolving high defect density while maintaining production capacity.

Memory metal springs in the packing box expand or contract with temperature changes to eliminate gaps and prevent secondary impact damage during transport.

An elliptical gas transfer pipe in a purge module jig prevents cleaning gas leakage while reducing structural complexity.

A trilayer stack with an organic planarization layer and titanium antireflective coating enables precise semiconductor patterning.

In-situ annealing diffuses dopants to shift the pn junction away from the substrate interface, reducing current leakage in strained semiconductor devices.

Segmenting a continuous AlN buffer into discrete seed crystals reduces pit density and improves crystallinity in semiconductor devices.

Non-polar surface structures eliminate vertical polarization effects, reducing barrier height and ohmic contact resistance in nitride semiconductor devices.

A gradient silicon germanium oxide layer reduces vertical strain from 5E9 Pa to 0.5E9 Pa while preserving lateral strain for carrier mobility.

A multilayer memristive device uses segmented regions with distinct dopant species to create multiple state variables.

A semiconductor carrier with an integrated shield controls the electrical field during wet chemical processing to achieve uniform metal deposition.

A substrate treating apparatus uses dual nozzles to discharge chemicals at varying concentrations and temperatures across the rotating substrate surface.

Dual-gate back-side sensing FET sensors with differential readout circuits cancel environmental noise to improve label-free detection sensitivity.

A grounded Faraday cage shields the wafer from electrostatic forces, correcting weight errors caused by static charge accumulation.

A dynamic cover mechanism and air hood containing SPM fumes prevents wafer contamination while managing apparatus complexity.

Segmented gas injection assemblies in a quartz dome correct center-to-edge film non-uniformities by enabling independent flow control across multiple zones.

Segmented finger sets handle clamped and unclamped substrates, resolving precision trade-offs while reducing equipment footprint.

Removing dummy gates creates trenches for air-gaps that cut source-drain capacitance by 75 percent without extra masks.

Auxiliary pattern adjusts light beam intensity to ensure critical dimension uniformity on substrates.

Microwave heating fluidizes metal particles to fill substrate trenches, avoiding high thermal damage.

Sublayers with different ionic mobilities suppress field magnification, enabling uniform filament growth and improved reliability.

Plasma ion implantation modifies a porous dielectric layer to form precise gate spacers, reducing silicon consumption and feet formation during etching.

A processing device forms a continuous IPA surface layer over water to enable Marangoni effect-based drying of semiconductor carriers.

Dual nitride current spreading layer with distributed insulating portions and interlaced semiconductor segments.

Splitting reflected light into two beams allows independent focusing on layers with height differences, resolving blurring from focus mismatch.

A cooling mechanism chills a common pipe line using deionized water to stabilize treating solution delivery.

A strained finFET structure uses doped semiconductor portions to stress the channel while maintaining electrical isolation via a dielectric layer.

An epitaxial structure forms beside source-drain regions to maintain mechanical strain in semiconductor channels.

Non-metallic phase mask excites surface plasmons for sub-diffraction nanopatterning.

A regrown structure modifies the barrier layer to control electrical conductivity at the gate region.

A via filling method creates a recessed portion to improve electrical contact quality in microelectronic devices.

A protective layer suppresses divot formation during shallow trench isolation etching, reducing junction leakage and contact resistance variations.

Extrinsic breakdown region outside the intrinsic channel prevents on-resistance degradation caused by impact ionization in LDMOS transistors.

Self-aligned ion implantation uses trench structures as reference masks to form precise p-type regions without complex photolithography alignment.

Segmented chassis places tool bodies outside cleanspace to reduce installation complexity and maintenance costs.