Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A planarization process fills dishing with dummy material to create a flat top surface.

A micro-light-emitting diode structure uses a current controlling layer with openings to limit the current flow area and increase current density.

Controlled laser crystallization forms single crystal silicon in stacked device layers without transferring heat to underlying structures.

Conductive silicon oxide layers determine electrical resistivity within ReRAM cells to enable continuous deposition processes.

A single liquid photoresist material applies to a rotating semiconductor wafer using controlled dispensing and drying parameters.

Segmented quantum wells enable multi-frequency terahertz generation while increasing the peak-to-valley ratio to resolve single-frequency limitations.

A relaxor ferroelectric capacitor uses a specific multilayer stack to achieve high capacitance through increased dielectric permittivity.

Vertical dual fins mitigate short channel effects by improving gate control and drive current in scaled CMOS transistors.

A dummy layer with masking techniques controls epitaxial growth to achieve uniform SiGe stressor thickness in MOS devices.

A mask set uses inwardly displaced segments to form a serpentine pattern that buffers alignment variations during semiconductor fabrication.

A single masking process forms active gate and runner trenches simultaneously, using chemical mechanical planarization to achieve a uniform substrate surface.

A low-temperature bonding method stabilizes ultra-thin buried oxide structures using controlled thermal treatments.

Spacer etching widens the upper trench opening to prevent metal pinch-off and void formation during deposition.

Phthalocyanine additive in silicone gel prevents hardening and cracking under high heat, protecting electronic electrodes.

Directed self assembly lithography produces fin structures in semiconductor substrates using specific layer stacks and etching processes.

Phosphoric and sulfuric acid remove laser scribing slag from nitride semiconductor wafers, preventing light absorption and boosting extraction efficiency.

A display backlight substrate with gradient-depth channels reflects light from LEDs to create uniform illumination without hot spots.

A single-wafer cluster tool forms tunnel dielectric layers at elevated temperatures to reduce hydrogen content and preserve interface quality.

Titanium carbide barrier prevents graphite formation during heat treatment, ensuring reliable metal wiring adhesion.

Plasma treatment removes residual chlorine from patterned aluminum films while unloading the bearing substrate.

Segmented control gate electrode with vertical legs contacts floating gate side surfaces to increase capacitance.

Multi-stage substrate transfer apparatus uses independent vertical elevating mechanisms to move substrates between accommodation units and processing chambers.

A directional etching process removes fin spacers to define source/drain structures in non-planar transistors.

Epitaxial growth of a contact layer and support layer enables precise self-aligned conductor placement in semiconductor devices.

Electroless plating deposits a conformal metal film on substrate features, followed by wet etching to remove excess material from recesses.

Exposing magnetic core surfaces reduces thermal resistance and eliminates pre-baking steps required to prevent encapsulant blistering.

A semiconductor device uses a field plate electrode extending toward the drain to manage electric fields across a thinner second layer portion.

Self-assembled monolayers pretreat substrates to enable selective metal oxide film deposition on dielectric surfaces.

A multiferroic buffer layer heterostructure reduces interfacial recombination loss while improving photovoltaic efficiency.

A film support apparatus uses suction pads and adjustable lift pins to hold and position thin films securely.

A dummy pattern intercepts photoresist crust during stripping, preventing gate damage and yield loss caused by thick resist patterns.

Selective hydrochloride etching removes alloyed silicon germanium from fin structures, enabling precise epitaxial source and drain formation at sub-14nm nodes.

Local doping and silicide merging improve operation current and integration density while reducing manufacturing complexity.

A MOS diode termination structure uses a trench with sidewall polysilicon to reduce parasitic capacitance.

Segmented trench filling creates alternating semiconductor films in super-junction devices, reducing process complexity while sustaining high breakdown voltage.

An interface layer of Group III-V compounds fills trench imperfections around the recessed gate, reducing interface defects and improving electron mobility.

An extended gate insulating layer distributes electric fields uniformly, preventing leakage current and maintaining high withstand voltage.

Heated source and reactant gases improve step coverage and deposition rate in high-aspect-ratio lateral openings.

Forming a repair layer on the barrier surface allows thicker etch stop deposition, preventing current leakage from over-etch damage.

Periodic ozone water flow interruption suppresses rising convection currents, preventing particle diffusion and surface deposits during wafer cleaning.

Ammonium fluoride deposition with biased plasma selectively removes native oxides from via bottoms, preventing cross-sectional enlargement and leakage.

Nested cushioning portions eliminate adhesive outgas contamination in clean rooms.

Ion implantation creates a defect layer that loops dislocations, reducing density in the second epitaxial layer without amorphizing the substrate.

An oxidation blocking layer pattern prevents oxygen diffusion from the gap-fill insulating layer, resolving lattice mismatch compensation challenges.

Horizontal buried rings segment the N-type well into upper and lower drift regions, reducing electrical field crowding to increase breakdown voltage above 800V.

Alternating transition metal dichalcogenide layers form direct band gaps, resolving the indirect gap limitation in multilayer systems.

Electroless electrochemical atomic layer deposition creates precise metal films using aqueous precursor solutions without external voltage bias.

Heavily doped p+ layers block hole overflow and reduce substrate noise in LIGBTs.

A polishing composition uses a specific anticorrosive compound to form a protective film on metal surfaces during chemical mechanical polishing.

A metal substrate support device uses ceramic thermal spraying to form an insulating film on the plate surface.

Stiffeners absorb fracturing energy to reduce breakage rates by 80% in brittle donor substrates.

A liner oxide layer modulates film stack stress to improve device electrical performance.

An aluminum alloy gate structure with titanium nitride and tantalum nitride barrier layers reduces corrosion defects during chemical mechanical polishing.

Full-surface substrate support prevents bending during radiant heat treatment, boosting thin-film solar throughput.

First and second stop structures within the patterned sealant prevent edge mura by controlling sealant flow during heating.

An integrated singulation system combines mechanical and laser cutting to separate wafers into individual chips.

Fill cells without cut patterns match gate widths and threshold voltages to adjacent function cells.

Plasma treatment and rapid thermal annealing stabilize bonding interfaces, reducing defects from prolonged high-temperature exposure.

Pre-oxidized precursors form oxygen-containing layers to eliminate complex equipment and boost carrier lifetime.

Alternating deposition and inert gas radical steps protect silicon nitride regions, preventing scraping while accelerating silicon oxide etching rates.

Laser processing forms a ring-shaped modified layer and cleavage plane, removing debris without mechanical damage to improve device region utilization.

Continuous vacuum processing merges film steps to prevent oxidation while boosting productivity.

Acid-based chemical solution regenerates the metal capturing group coating to restore metal ion removal capability without device downtime.

Heating hydrogen gas in a sealing chamber drives atom diffusion into insulating layers.

A measurement jig with a back-surface camera detects mechanical variations during wafer transfer operations.

Tilted carbon implantation increases spacer layer etch resistance on gate sidewalls to maintain structural integrity during fabrication.

A photovoltaic device uses an intrinsic amorphous silicon layer with distinct oxygen concentration zones to improve carrier separation.

Decreasing doping concentration in the buffer layer slows electric field propagation, minimizing current drop and oscillations during switching.

Segmentation resolves the trade-off between ashing resistance and dielectric constant in semiconductor device manufacturing.

A laminated ceramic top plate embeds conductive paste between sintered sheets to create a precise workpiece carrier.

A fluorocarbon plasma etching gas with unsaturated bonds and bromine atoms enables high silicon oxide etching rates.

A composite planarization method using undoped silica glass and monocrystalline silicon improves mirror surface finish for spatial light modulators.

Controlled pulse width and energy density eliminate end-of-range defects while preventing surface disorder during rapid heating cycles.

Thermal oxidation of a controlled polysilicon layer forms a uniform gate insulating film on silicon carbide heterojunctions.

Offset diagonal signal traces route clock signals within a single metal layer to minimize parasitic capacitance.

Silane thermal-chemical treatment on copper reduces electromigration resistance failure by improving the interface with silicon nitride capping layers.

Replacing sapphire with single crystalline aluminum nitride reduces dislocation density, lowering reverse leakage current and extending operational lifetime.

A substrate processing system adjusts pre-stage throughput to exceed post-stage rates, enabling independent maintenance scheduling.

Segregated non-mixable materials in photoresists prevent immersion fluid contamination and maintain image resolution.

A heterocyclic leveller additive controls copper deposition to achieve void-free filling of micro vias.

Periodic deposition and etching cycles lower process temperature while maintaining high substitutional carbon levels in epitaxial silicon layers.

Segmented N and P pillars distribute electric fields to prevent trench breakdown, improving voltage ratings.

Separates joined conductive features via a dedicated cut mask to resolve photoresist island effects.

Suspend transfer disapproval notices until current operations complete to eliminate wasteful circulating movements by multiple carrier vehicles.

Multi-layer buffers reduce strain in group III-V bodies, enabling higher breakdown voltages without cracking.

Segmented gas supply lines with injectors control individual wafer gas flow, resolving thin film thickness uniformity issues in batch processing.

Vertical source regions in trench gates lower on-state resistance without shrinking the horizontal source area needed for MOSFET operation.

A substrate processing nozzle uses image comparison to detect liquid discharge reliably.

A radiation-sensitive resin composition with specific repeating units enables efficient acid diffusion during semiconductor lithography.

Light pulses heat wafer particles to detach them, eliminating mechanical damage and chemical waste.

Segmented superjunction pillars resolve the breakdown voltage versus on-resistance trade-off.

Eccentric shafts drive profiled rollers via a synchronous belt system for stable wafer rotation.

Inhibitor agents reduce substrate acidity to block nucleation, achieving precise pattern registry without complex etching steps.

A precision dispense tool deposits opaque material onto substrates to create custom photolithography masks.

Segmented well regions isolate the drain in MOS devices, preventing substrate current injection and minimizing noise in battery-operated systems.

Selective phosphoric acid etching removes redundant nitride fences on STI sidewalls, preserving oxide integrity and preventing device damage.

Tin layers enable epitaxial nickel germanide growth on germanium, reducing contact resistance by orders of magnitude.

A multifunctional substrate layer enables high-quality single-crystal nitride growth on a seed material.