Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A semiconductor gate structure uses an air gap to lower the dielectric constant between electrodes.

Phosphoric acid etching solution with sulfuric acid enhances silicon nitride selectivity while suppressing silicon oxide deposition.

Concentric gas supply and exhaust ports in a vertical substrate processing apparatus reduce pressure loss to maintain uniform film thickness across wafers.

Self-aligned buffer layers prevent electromigration failures by strengthening adhesion between copper lines and diffusion barriers.

A highly doped region in a solar cell substrate directs electric current flow to shaded cells, reducing output loss.

A two-step post-nitridation anneal using N2 and N2O gases reduces interface charge and flat band voltage shifts in silicon nitride gate insulators.

A second wavelength converting layer with narrower width adjusts phosphor distribution to minimize color variation across viewing angles.

Remote gate contact regions control minority carrier injection in trench structures, reducing stored charge recovery time and contamination risks.

A TFT substrate pixel electrode incorporates a channel upper conductive layer to form holding capacitance.

A wafer edge lift pin with a horizontally swept notch provides lateral confinement and secure vertical support.

Stacked transition metal dichalcogenide channels increase current flow paths to improve carrier mobility while maintaining on/off ratios.

Sidewall doping regions in a trench MOSFET enhance breakdown voltage while reducing on-state resistance through localized charge balancing.

Segmenting molybdenum film formation into low and high temperature stages suppresses element diffusion while maintaining fast reaction rates.

A hollow shaft fluid supply mechanism delivers cleaning liquid to a rotating substrate surface.

Silicon nitride layers protect dummy gates during chemical mechanical polishing, reducing material loss and improving gate filling accuracy.

Protruding gate spacer layers establish isolation boundaries that prevent electrical shorts during selective etching of contact plugs.

Tilted and bended source drain extension regions reduce gate-induced drain leakage current in semiconductor devices.

A movable diffuser support member maintains consistent spacing despite thermal expansion and vacuum pressure changes.

Epitaxial growth forms isolated doped source/drain regions on fin side walls, preventing accidental merging while ensuring uniform doping.

Segmenting the implantation process into cooling and heating phases prevents water condensation on low-temperature wafers while maintaining throughput.

Vertical trench formation in the base window reduces base resistance and noise figure without increasing emitter-base junction leakage.

Segmented collector regions with localized heavy doping enhance diode conductivity while suppressing snap-back effects in RC-IGBTs.

A carbon-containing atmosphere and oxygen scavenging layer dissolve buried oxide at lower temperatures, preventing de-wetting in thin silicon layers.

Maintaining donor substrate temperature within 30°C variation during ion implantation reduces surface roughness and thickness non-uniformity in SOI structures.

Gate sidewalls and oxide spacers define trench contacts, eliminating mask alignment errors that limit pitch reduction in semiconductor power devices.

A subheater inside a thermal insulating unit heats the process chamber lower portion to reduce heating-up time.

Treating substrates with sulfur-containing substances modifies surface properties before applying positive-tone photoresist.

Manufacturing system separates and allocates solar cell pieces to optimize active area and boost module power.

Selective etching of a sacrificial layer releases the active layer from the donor wafer, preventing mechanical stress damage and enabling donor reuse.

Forming a recessed ohmic contact with a defined geometric profile on the III-N layer surface to achieve normalized contact resistance below 0.3 Ohm-mm.

A semiconductor fabrication method identifies non-functional local interconnects and removes them using cutting patterns to form functional conductive connections.

Vapor-phase doping creates alternating columns in deep trenches, reducing on-resistance while maintaining breakdown voltage.

Fluorinated photo cross-linkable polymer forms permanent dielectric layers via photopatterning.

Segmented cooling zones with independent fluid loops reduce thermal crosstalk and improve wafer etching precision.

Laser ablation separates vertical light-emitting diode dies from metal substrates, resolving low thermal conductivity trade-offs in nitride-based devices.

Through hole contacts mask amorphized source drain electrodes to form stable metal silicide layers despite shrinking contact diameters.

Dynamic switching between static and sliding modes resolves production cost versus versatility trade-offs in small-area sensors.

Electromagnetic radiation rapidly oxidizes a cleaned silicon substrate to create pinhole-free gate dielectrics without prolonged thermal processing.

Localized electromagnetic irradiation treats an embrittlement region within a donor substrate assembly.

Segmented showerhead modules mix reactive gases with inert support gas to regulate injection velocity, preventing backward diffusion and contamination.

A resist underlayer film-forming composition using carbazole and dicyclopentadiene polymers to form high-quality patterns.

Weak acid cleans polishing pads during chemical mechanical polishing of silicon oxycarbide dielectric layers.

A CMOS device uses a liner layer as a hard mask to protect film layers during photoresist removal, preventing damage to exposed components.

A semiconductor terminal structure uses a recess groove to thin the p-type layer and form an electric field relaxation region.

A method bonding a donor substrate with epitaxially grown semiconductor layers to a carrier substrate for vertical device integration.

Dual barrier layers with distinct step coverage define an air gap in a recess region, reducing parasitic capacitance that limits operating speed.

Buffered oxide etch removes sacrificial oxide and embedded grass spikes, resolving manufacturing precision issues.

Integrates a two-dimensional semiconductor with a ferroelectric material to achieve high sensitivity across ultraviolet to long-wave infrared wavebands.

Sub-nano barrier layers restrict lateral heat flow in hot plates, ensuring uniform temperature distribution across large-diameter wafers.

Stacked silicon seed and bulk layers trap oxygen atoms at their interface, preventing diffusion into high-K gate dielectric layers.

An L-shaped conductive electrode configuration positions a perpendicular member between gate and drain regions to reduce parasitic capacitance in power transistors.

Localized thermal decomposition of silicon carbide creates carbon-rich ohmic contacts that eliminate alignment issues and reduce leakage currents.

An organosilicon compound layer diffuses silicon into an oxide semiconductor substrate during heating to form a diffusion layer.

Alkaline amine stabilization prevents silica agglomeration, enabling high polysilicon removal rates without sacrificing planarization efficiency.

Crosslinked polymerizable monolayers resist ALD precursors in masked regions, preventing unwanted deposition during semiconductor fabrication.

A dual laser system removes glass superstrate debris to enable uninterrupted scribing, preventing shunts and improving scribe line uniformity.

A FinFET fabrication method reduces source/drain region height to enable deeper dopant penetration at lower implant energies.

Inverted dicing establishes imprinted alignment marks on the metallization layer, eliminating burrs and cracks during wafer singulation.

A substrate carrier uses electrostatic chucking electrodes to secure small wafers and pieces during transfer.

Segmented fin cut processes refine edge regions to improve critical dimension control, reducing removal errors in densely packed semiconductor structures.

Helium plasma post-treatment repairs silicon dioxide interface defects while maintaining low processing temperatures.

Atomic layer deposition deposits silicon nitride layers with controlled silicon richness.

Auxiliary gate segments thin silicon layer to minimize leakage current at high temperatures.

A rescue circuit line structure uses a dielectric layer to connect conductive patterns and restore signal flow in display panels.

Alternate metal source supply forms composite metal nitride films with controlled crystallinity to reduce NMOS power consumption.

Adjusting deposition parameters controls film stress in boron-based hard masks, preventing substrate warpage while maintaining high etching resistance.

Silane or borane agents reduce halide residues and prevent oxidation in titanium carbide films deposited by atomic layer deposition.

Plasma etching protrudes via electrodes from wafer reverse sides, eliminating costly chemical mechanical polishing steps.

A jointless rotating arm transfers substrates directly, eliminating film peeling from trays that causes particle contamination in vacuum processing.

A silicon-germanium layer doped with boron and carbon creates a nanoscale etch-stop structure.

Inverted architecture with segmented base regions reduces collector-base capacitance to maximize oscillation frequency without increasing device complexity.

An undercut groove thermally isolates the inner edge from the outer support structure of an exclusion ring.

Automated optical detection calculates positional deviations from support pins, eliminating operator visual inspection errors and reducing interference risks.

Segmented diffusion plates adjust local deposition rates to resolve non-uniform film thickness on nonplanar substrates without increasing system complexity.

A chemical etching solution removes insulating material from semiconductor trenches using hydrofluoric acid and organic solvents.

Tapered gate extensions shape the electric field profile within the LEDMOSFET drift region to enhance device performance.

A diamond semiconductor mesa structure with an n-type side region relaxes electric field stress at the junction interface.

Hyper-abrupt doping profiles in varactor diodes enhance breakdown voltage and tuning ratio while maintaining adequate quality factor.

Front-rear buffer stations on the wafer transfer chamber side surface increase wafer storage without enlarging robot stroke distance or equipment footprint.

Xenon pre-amorphization ion implantation creates a uniform amorphous layer for self-aligned nickel silicide formation.

Insulating the carrier support from the primary heater reduces power consumption while a secondary heater maintains temperature stability.

Segmented buffer layers mitigate lattice mismatch in SiC epitaxial wafers, suppressing crystal defects while maintaining low element resistance.

A beta-diketone etching gas selectively removes cobalt or copper films by adjusting chemical composition.

Eaves-like mask projection guides epitaxial growth to confine voids below the polished surface, preventing defects that reduce semiconductor device yield.

Susceptor-based vapor transport deposition resolves the trade-off between production cost and material uniformity in CIGS solar cell manufacturing.

In-situ doping during mist CVD deposition improves electrical conductivity and heat resistance while eliminating carbon contamination from ion implantation.

A split slot field effect transistor uses an embedded drain structure to reduce surface area.

A handling unit couples directly to a transport container cover, forming a rigid end effector for substrate transfer.

Segmented mask layers prevent flux contamination in small openings, maintaining stability during high-density solder ball mounting.

Segmented hot gas zones heat the central and peripheral regions of a lithography template simultaneously, resolving non-uniform temperature distribution.

Lateral spacers on etching masks define active areas, enabling diverse pattern densities while reducing photolithography complexity.

A silicon carbide semiconductor device uses an insulating portion with tailored curvature radii to manage electric field distribution.

Vapor deposition of a metal layer with controlled impurities enables precise silicidation on silicon substrates.

Three-mask etching prevents corner rounding in FinFET fabrication.

Single-chamber plasma processing eliminates wafer transfers between deposition and etching steps, reducing manufacturing costs.

A gate-all-around transistor structure uses dual work function metal layers to define distinct threshold voltages within a single device.

Forming a protective film on the SOI layer during RTA cooling prevents non-uniform etching from SC1 cleaning, maintaining radial thickness uniformity.