Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Element isolation trenches allow lift-off solution injection to remove the substrate without damaging the light-emitting structure.

Buffer oxide patterns on active fins allow dummy gate smoothing to prevent stepped portions and ensure proper node separation.

A trench gate transistor fabrication method forms gate electrodes and impurity regions via ion implantation.

A protection element with a wider upper portion shields the gate stack during contact formation to improve device reliability.

A kerf recognition method uses pre and post machining image subtraction to isolate the cut groove from adhesive patterns.

Segmented vacuum holes distribute holding force to adjust warpage profiles, ensuring uniform coating thickness on large wafers.

Top-wide-bottom-narrow trapezoidal dummy gates form via controlled dry and wet etching to create expanded gate trenches.

A pressure equalizing part equilibrates gas pressure between a carrier and transfer region before door opening.

Trimming gate spacers creates a funnel-like opening that enhances gap-filling efficiency and reduces structural defects in scaled field-effect transistors.

Conformal deposition of stacked insulating layers creates a flat surface without polishing the active area mask, reducing leakage risk.

Segmented concave geometry minimizes wafer contact to reduce back surface defects while enabling hydrogen outdiffusion through the central opening.

A helmet layer shields interlayer dielectric during cut metal gate etching, preventing epitaxial damage and expanding process windows.

A silicon coating layer prevents nickel diffusion and germanium segregation in CMOS devices, reducing leakage current.

Controlled etching removes recast material from laser-processed semiconductor substrates to restore mechanical integrity.

Forming a sacrificial oxide film under hydrogen and oxygen removes nitride regions without oxidizing trench surfaces, preventing junction leakage.

Gradient doping in trench bottoms reduces high electric field strengths, enhancing breakdown voltage while maintaining low total resistance.

Segmented tunnel grooves capture etch byproducts to prevent stringer formation and maintain chamber throughput.

Supporting circuit lines and isolation structures prevent bending or collapse of high aspect ratio trench capacitor DRAMs.

Inlet-based gas dispensing cleans robot arms automatically, reducing downtime and preventing wafer contamination.

A normally off HEMT transistor gate structure uses a diffusion control region to manage dopant impurity distribution.

Lattice-mismatched source and drain zones induce channel strain to boost carrier mobility while reducing defect density from thick buffer layers.

Intermediate storage units decouple adjacent processing devices, allowing individual maintenance without halting the entire manufacturing line.

A silicon carbide MOSFET employs a double trench gate structure with a p-type high concentration region to reduce on-resistance.

A conformal spacer layer and protection layer enable selective etching to preserve vertical portions for uniform rectangular profiles.

A solar cell structure uses a passivation stacked layer with varying dielectric constants to enhance light reflection.

A diamond semiconductor device uses a carbide intermediate layer to relax electric field concentration at the electrode end.

Staggered semiconductor contacts resolve the trade-off between alignment precision and contact resistance by using segmented plugs in a dual damascene process.

Progressively lowering HCl concentration across multiple chemical tanks reduces particle adhesion while maintaining metal impurity removal efficiency.

Removing an aluminum layer before heat treatment prevents etching damage, maintaining low contact resistance while improving adhesion.

An etch stop layer prevents gate cap material loss during contact alignment, reducing fabrication complexity.

Segmented heating wires in series and parallel configurations compensate for edge resistance drops to maintain uniform temperature across the substrate.

Polyperfluoroalkoxyethylene coating on metal vessels prevents contamination, preserving parts-per-trillion purity for semiconductor manufacturing.

Amorphous Al1-xSixO gate insulator induces conductive channel in III-Nitride transistors.

Forming a laminated sidewall solely on the gate electrode prevents obstruction of impurity implantation and siliciding, reducing parasitic resistance.

Segmented filters with isolation valves allow maintenance without breaking the vacuum, eliminating downtime and contamination risks.

A moving infrared lamp heats chemical liquids to 200°C, removing hardened resist layers without damaging the wafer surface.

Self-forming MnSixOy barriers resolve adhesion failures in low-k dielectrics while reducing specific resistance of copper interconnects.

Direct ion beam scanning replaces complex photoresist masks to reduce manufacturing costs while maintaining selective implantation precision.

Sliding rod carriers horizontally bow thin wafers to prevent breakage while increasing processing density.

A substrate mounting mechanism uses a temperature control jacket to maintain peripheral heater plate surfaces at non-deposition temperatures.

A sidewall spacer patterning method uses rectangular mandrels to form self-aligned etching masks.

Using a hard mask for offset spacer patterning maintains gate height uniformity and prevents metal silicide formation in high-k metal gate stacks.

A selective etchant removes unreacted metal layers from semiconductor source/drain structures while preserving the metallic layer integrity.

Plasma etching removes surface defects on patterned sapphire substrates, resolving the trade-off between light scattering and crystal damage.

Self-aligned P-type gate and field plate structures define precise gate-source and gate-drain spacing in enhancement-mode GaN HEMTs.

Ketone-based solvent with branched alkyl groups suppresses resist film penetration to prevent pattern collapse.

Establishing separate coordinate systems for substrates in different spaces to align varying sizes without requiring overlapping images.

A protection layer between adjacent gate structures prevents void and seam formation during film removal, avoiding contact short circuits.

A semiconductor manufacturing method uses a spacer layer to define trench geometry during etching.

Patterned SiO2 layers interrupt fracture propagation to eliminate large facets, removing costly re-polishing requirements for GaAs wafer reuse.

Dual-layer ion implantation traps contaminants in deeper cavities during heat treatment, reducing impurity concentration in the detached thin film.

A semiconductor spacer structure creates a gap between gate and epitaxial layers to lower capacitance.

A sapphire substrate division method uses asymmetric dividing grooves to align with crystal planes.

A semiconductor process uses a distinct hard mask layer to cover NMOS and PMOS gates, enabling uniform etching back to achieve equal gate heights.

Segmented epitaxial growth traps threading dislocations at the substrate interface, preserving high carrier mobility in the upper channel region.

Angled substrate pits resolve epitaxial orientation mismatch for CMOS-compatible GaN transistors.

Low-temperature HCl gas treatment removes oxides from sacrificial layers without high-temperature baking, preventing surface roughness and Ge migration.

A metal contact layer on a semiconductor wafer receives ion implantation to form a junction with varying composition.

A double patterning process uses crosslinked resist patterns to form half-pitch features without additional etching steps.

Graded germanium concentrations in a FinFET stack compensate for strain relaxation, maintaining uniform stress and improving hole mobility.

Side-mounted reactant gas nozzles eliminate top panel pipe disconnections, reducing particle contamination during maintenance.

Alternating epitaxial growth and etching form vertical pn junctions, resolving non-uniform depletion layers caused by undulate surfaces.

Improved LPCVD process deposits conformal dielectric film to reduce trapped charge and enhance isolation between gate and shield electrodes.

Nitriding a seed layer aligns incubation times for different base films, resolving non-uniform thickness on stepped substrates.

Halide surface termination reduces incubation time for noble metal atomic layer deposition while preventing unwanted film growth on reaction chamber walls.

An intermediate high resistance layer minimizes current leakage through shunt paths in III-V MOS transistors.

Oxidizing the metal surface creates protruding features that guide spatial vapor phase deposition, reducing patterning complexity.

A substrate treating apparatus solidifies process liquid containing a sublimable substance on patterned surfaces to form protective bodies.

Co-flowing ligand precursors during thermal chemical vapor deposition deposits conformal boron nitride layers on high aspect ratio feature surfaces.

A silicon-containing layer protects source/drain features during silicidation to form reliable metal silicide contacts.

A semiconductor structure uses a lattice-matched nucleation layer to grow high-purity single crystal films.

A substrate transfer device uses segmented supporting portions and an elevating mechanism to position a wafer for processing.

Cryogenic alternating etch steps eliminate polymer deposits and underetching, stabilizing trench wall quality against temperature variations.

A trench-type capacitor integrates node patterns and impurity diffusion regions within a semiconductor substrate to increase capacitance.

Staggered cleavage planes in a composite silicon substrate reduce stress accumulation and prevent cracking during gallium nitride epitaxial layer growth.

Implanted silicon nitride gate spacers apply compressive stress to PMOS channels, boosting carrier mobility without increasing leakage current.

Movable electroconductive contacts maintain stable grounding during vibration, preventing electrostatic destruction and foreign matter adhesion on the reticle.

A vertical transistor device uses a halo pocket doping region to mitigate short channel effects.

Partial fin punch-through-stop implants reduce current leakage while preserving carrier mobility by avoiding direct damage to fully formed fins.

Openings in wafer container shelves enable rapid gas exchange that dilutes outgassing fluorine species, minimizing edge defects.

A nitride semiconductor element uses dry and wet etching to form triangular pyramid projections with circular bottoms on a sapphire substrate.

Varying silicon source gases during sequential SiGe epitaxial growth controls trench fill thickness, resolving compressive stress non-uniformity across regions.

Segmented oxide deposition prevents STI void-induced shorts by placing high-quality material adjacent to the gate, ensuring reliable electrical isolation.

Synthetic polymers replace hydroxyethyl cellulose to eliminate impurity-driven light point defects and surface haze.

Gas jets detach particles from internal walls for optical counting, eliminating time-consuming liquid methods and non-reproducible specialist interventions.

Thinning fin extension portions reduces source-drain leakage while maintaining gate critical dimension stability.

Automated scraping and suction remove debris from the wafer handler underside, preventing electrostatic contamination and reducing production downtime.

An electrostatic chuck uses an embossed dielectric top plate and raised central support to deliver cooling gas through perforations.

A III-nitride transistor uses a gate trench to resolve the threshold voltage and on-resistance trade-off.

A UV-assisted photochemical vapor deposition process selectively seals pores in porous low-k dielectric films using silicon and carbon precursors.

A lead bending punch adjusts its bottom dead center to maintain a precise gap above the die, enabling flexible gull wing formation without re-designing components.

Drift compensating materials with opposite electrical behavior reduce threshold voltage and resistance increases in chalcogenide memory devices.

Uses differential removal rates between two deposited semiconductor films to prevent trench dishing during chemical mechanical polishing.

Alternating AlN and p-type doped AlGaN layers in a superlattice strain buffer promotes lateral crystal growth, resolving flatness-crystallinity trade-offs.

Remote plasma effluents modify oxidized silicon surfaces to enable selective etching of semiconductor features.

Fluorine implants reduce threading dislocations, minimizing junction leakage and gate oxide integrity issues.

Self-aligned contacts form through gate recess geometry without extra planarization steps.

A vertical SiC JFET manufacturing process uses a limited mask set and self-aligned silicide contacts to form source and gate electrodes.

A vertical slit transistor uses low-K dielectric material to reduce parasitic capacitances between gate electrodes and source-drain regions.

Atomic layer deposition uses disilane precursors to form silicon dioxide thin films with high growth rates.