Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A two-step etch process removes footing from nickel silicide edges, preventing oxidation and preserving electrical performance.

Stair step cavity geometry created by differential oxide etching increases boron diffusion rates and reduces base-collector capacitance.

Changing fin crystal orientation to <110> reduces surface roughness, resolving the trade-off between manufacturing precision and high k-metal gate reliability.

A patterned hard mask defines fin arrays while dummy fins establish uniform etching conditions across bulk semiconductor substrates.

Temperature gradients induce Marangoni forces to manage liquid agglomeration, preventing pattern collapse and ensuring uniform substrate drying.

A position correcting apparatus rotates substrates and moves a temporary placing portion obliquely to align centers.

A liquid supply filter collects gas bubbles from the fluid stream before dispensing.

Compression-formed metal fibers in a porous abrasive pad elastically deform to increase catalyst contact area, resolving rigidity trade-offs.

A priming material with a water concentration gradient compensates for varying EUV radiation intensity, preventing footing defects in the resist layer.

Ion implantation forms gradient refractive index anti-reflective coatings, resolving lithography reflection issues.

A double diffused drain MOS device structure uses patterned dielectric and conductive layers to achieve high breakdown voltage.

Cyclic oxidation controls carbon content and leakage current while reducing manufacturing time for MIM capacitors.

A film forming method adsorbs fluorine onto a substrate to create a stepped surface for selective semiconductor deposition.

Segmented transport paths bypass idle coating steps in return routes, eliminating unnecessary movement and boosting overall throughput.

Surface modification creates a protective barrier that prevents precursor penetration and maintains electrical isolation.

Electrodeposition forms conductive patterns on textured silicon substrates, resolving poor electrical contact quality from screen printing.

Depositing amorphous silicon below 550°C and annealing eliminates interior voids while maintaining surface smoothness.

Segmenting polishing with shifting steps reduces surface sag and flatness variations in semiconductor wafers.

Epitaxial buffer layer on fin-shaped structures reduces current leakage by adjusting stress in the channel region.

Replacing metal silicide with a conductive dielectric layer reduces contact resistance in strained source-drain regions.

A trench spacer region with higher impurity concentration improves reverse biased safe operating area.

Selective amorphous silicon and polysilicon etching creates varied gate lengths without mask reordering, reducing fabrication complexity.

Metal oxide hardmask deposition via plasma-enhanced atomic layer deposition ensures precise submicron pattern transfer.

Heating chamber components transforms nitride by-products into removable oxides, reducing particle contamination and extending component life.

Positioning the body contact region over coalesced defects prevents depletion layers from traversing assembly sections, minimizing leakage current.

A silver deposition method uses ammonia to remove chloride contaminants from non-volatile memory device surfaces.

Self-assembled monolayer prevents poreseal deposition on metal vias, maintaining low dielectric constant and electrical conductivity.

Removing the AlN exclusion layer from an AlxGa1-xN/GaN heterostructure resolves the trade-off between high 2DEG mobility and difficult ohmic contact formation.

Mobile service carts use spaced mounts and bumpers to retain transfer plates, reducing access time while preventing component damage.

A pattern forming method deposits a silicon oxide mask on a segmented organic layer to enable selective etching of recessed regions.

Annealing block copolymers in mask openings forms precise patterns via phase separation, resolving deposition reliability issues at high integration densities.

Self-aligned double patterning forms sub-50nm features via spacer deposition and anisotropic etching, bypassing deep ultraviolet resolution limits.

Controlling rotational speed prevents photoresist cracking while ensuring precise ion implantation positioning accuracy.

A rotation driving mechanism uses a rolling trajectory groove to rotate a plate independently, reducing friction and particle generation.

A calibration substrate with embedded sensor arrays calculates support member edge locations and center points for precise positioning.

A substrate treating method uses a sublimatable film to protect semiconductor patterns during liquid drying.

An amorphous silicon hard mask patterns the metal gate electrode, preventing polysilicon contact with the high-k layer to reduce Fermi-level pinning.

Rapid thermal processing splits bonded silicon wafers using controlled microwave energy, resolving non-uniform film thickness and high surface roughness.

A laser crystallizes an amorphous semiconductor layer on a gate insulation boundary to form high-quality polysilicon active patterns.

Segmented insulating layers in trench Schottky diodes suppress reverse leakage current while maintaining breakdown voltage.

Curved substrate protrusions formed by sequential dry and wet etching reduce dislocation density while improving light extraction efficiency.

A support structure with asymmetric mount points and a compliance mechanism isolates the vacuum robot arm from housing deflections.

Composite ceramic and resin chuck pins control thermal conduction to eliminate temperature disparities at contact points, ensuring uniform cleaning efficiency.

Segmented blade design with arcuate shoulder reduces thermal stress and breakage, enabling extraction temperatures above 550°C.

A phase-change memory cell uses two insulated regions connected by a lower crystallization temperature material to create a localized hot spot.

A T-shaped fin structure uses a patterned masking cap to protect the top portion during selective thinning, preventing damage and collapse of the fin integrity.

Silicon pre-coating films prevent titanium particle desorption from cracking layers, ensuring wafer purity during temperature cycling.

Dual spray angles clean the center and edge of a rotating wafer, resolving insufficient detergency at the substrate perimeter.

Localized Joule heating softens rigid copper wires during ultrasonic bonding, preventing cracks in pressure-sensitive partners while maintaining high ampacity.

Sequential ion implantation into extended trenches forms deep doped regions, avoiding expensive epitaxy processes and wide trench requirements.