Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Multiple load lock chambers and dedicated transfer paths improve substrate handling across normal and vacuum atmospheres for uniform semiconductor bonding.

Conductive repair lines extended across laser-formed vias restore array substrate signals and improve repair reliability and yield.

A separable upper support member frees space above a rotating substrate while keeping the lift mechanism simple and the processing apparatus compact.

An annular fin with inner and outer source-drain regions improves current control and integration density in vertical semiconductor devices.

Automatic substrate position sensing updates robot reference values to keep wafers centered on susceptors despite vacuum or hardware changes.

Multiple liner deposition and etch steps form air spacers in cut metal gates, improving sub-10nm patterning precision and fin integration.

Partial inert surface coating confines precursor adsorption to exposed regions, enabling controlled polymerization and lower-cost selective thin film deposition.

A sealing member around wafer support gripping pins blocks processing liquid entry into chuck holes, reducing corrosion and preserving reliability.

Spacer-lined shallow trench isolation protects trench dielectric during gate oxide removal, preventing divots and transistor breakdown.

A sacrificial layer enables one-step wafer edge trimming with a single blade pass, reducing chipping and microcracks while improving throughput.

Pressure-assisted wafer stacking forms graphene at BEOL-compatible temperatures, improving throughput and uniformity without transfer steps.

Reflected-light monitoring detects nozzle liquid leakage after flow-path closure, helping prevent substrate defects during processing.

A spring-biased bushing and clearance-fit gas pipe improve FOUP purge port contact, sealing, and clean gas delivery despite port position variation.

Using hafnia, zirconia, or alumina dielectric layers enables thinner FDSOI silicon top layers with better uniformity, smoother surfaces, and stronger bonding.

Mist sprayed inside the housing forms a liquid barrier that suppresses contaminant adhesion and helps exhaust processing waste.

Vented raised supports and conductive grip materials hold different wafer sizes while reducing outgassing, contamination, and ESD risk.

Selective etching reshapes core-area conductive pillars and adds a groove-filling cover layer to cut resistance without causing short circuits.

Two vertically superposed TFTs connected in series preserve effective channel length while shrinking substrate area for higher-resolution panels.

A halogen, ammonia, and amine gas mix balances reaction products and collisions to etch silicon oxide with flatter, more uniform surfaces.

Oxygen and nitrogen anneals tune TiN gate workfunctions for PMOS and NMOS while reducing process cost and protecting high-k dielectrics.

Pre-stored high-pressure halogen and ammonia or amine gases improve etch uniformity while selectively removing SiOx and protecting SiN.

A two-layer NiV-silver backside contact with in-situ silicide cuts thin-wafer bending while preserving electrical contact and yield.

A dielectric layer seals gap openings without filling them, enabling clean sacrificial spacer removal and cost-effective DRAM air-gap formation.

A salt-free aromatic solvent removes siloxane adhesive residue from semiconductor substrates while helping protect bump balls from corrosion.

A dual interface layer with tuned work function and rutile-phase oxide suppresses leakage while keeping capacitance in thinner capacitors.

A sealed edge micro-processing space targets only the wafer rim, cutting fluid use and avoiding complex dry etching hardware.

Controlled alkaline etching before double-disk grinding helps sliced semiconductor wafers achieve high plane-parallelism with fewer defects.

Cyclic ALD and hybrid CVD enable uniform ultrathin group 5 chalcogenide films at lower temperatures with scalable thickness control.

Variable refrigerant path sections balance heat extraction and pressure loss to improve wafer temperature uniformity.

Simultaneous conductive deposition forms source/drain contacts with built-in extensions, cutting process steps, barrier interfaces, and contact resistance.

Independent biasing of paired gate electrodes lowers operating voltage and preserves drive current as RRAM access transistors shrink.

Thick side oxides and a thin central oxide reduce gate electric field damage while avoiding Kirk effect in high-voltage DDDMOS structures.

Sequential process and dissociation gas cycles remove impurity-added hard masks while limiting insulating film damage and preserving selectivity.

Staggered supply of two halogen gases weakens film bonds, raises etch rate, and improves nitride or oxide removal in process chambers.

A thinned SiO2 intermediate layer and doped Si growth substrate block element diffusion to cut parasitic capacitance, leakage current, and reliability loss.

Non-contact twin-fluid nozzles clean wafer center and edge zones to remove particles while avoiding scratches, reverse contamination, and frequent replacement.

A polymer thickening layer boosts EUV resist pattern thickness and etch resistance without sacrificing resolution, uniformity, or process window.

Sequentially forming outer and inner wafer modified regions with imaging feedback stabilizes crack growth and improves laser processing quality.

Partial inhibitor removal on opposite substrate surfaces enables selective film growth while preserving inhibition where needed for uniform film quality.

Separate exhaust lines and a discharge unit reduce chamber-to-chamber airflow interference and keep developing pressure stable.

Asymmetric trench sidewalls and localized doping improve SiC trench gate MOSFET mobility, lower on-resistance, and suppress edge-cell operation.

Angled GCIB oxidation followed by RIE trims small semiconductor metal features with tighter critical dimensions and more uniform sidewalls.

A dual-direction superlattice buffer diverts lattice defects and eases mismatch in GaN HEMTs, improving reliability and device integrity.

Independent gas supply regions reduce pressure gradients during flash gas delivery, improving batch substrate processing uniformity.

Flow guide surfaces and movable edge engagement features stabilize planar substrates while suppressing eddies and skip plating in wet treatment.

Nitrogen-rich annealing creates a SiC growth region that supplies interstitial carbon during epitaxy, cutting carbon vacancies and leakage.

Sealed air-gap cavities beneath on-chip inductor windings cut substrate coupling losses and raise quality factor without enlarging footprint.

Alternating chlorosilane- and silanol-based gas cycles form uniform silicon oxide films faster while avoiding plasma and strong oxidant damage.

Laser ablation plus etching patterns the wafer backside for selective thinning, cutting substrate resistance without added mask steps.

Dummy polysilicon segments and insulating trenches keep a large high-voltage metal gate while preventing CMP over-polishing and dishing.