Semiconductor/Solid-State Device Manufacturing TRIZ Cases

An engineered growth substrate stays as the die support, cutting substrate removal and bonding steps while reducing thickness, cost, and heat buildup.

A NiAl silicide contact on SiC p+ regions lowers body-diode forward voltage and contact resistance, enabling faster screening with less heat.

An implanted vertical channel on one side of the mesa cuts dopant-dose variation and makes JFET pinch-off more predictable.

A plasma conversion and wet clean sequence enlarges the via bottom opening, improving fill reliability and reducing RC delay in semiconductor interconnects.

An adjustable cover ring shields adhesive layers during laser debonding to limit particle scattering, contamination, and carrier substrate damage.

A two-layer hard mask and sidewall cladding sequence improves GAA nanostructure etching precision while protecting silicon layers.

Organic solvent stripping followed by ozone liquid cleaning removes photoresist and residue while avoiding acid fumes, contamination, and device damage.

A 2D seed layer aligns the ferroelectric film near the (111) direction, boosting capacitance to lower transistor voltage and power use.

Hierarchical protrusions on the UV LED light-emitting surface scatter trapped light and reduce internal reflection to improve extraction efficiency.

Independent heating zones and a slotted loading cover enable batch curing of dielectric films with higher throughput and lower substrate variation.

Parallel vertical TFTs formed in the BEOL boost MRAM drive current while freeing FEOL area for denser multi-stack memory arrays.

An inclined annular member guides cleaning liquid by gravity and centrifugal force to wash support pins and peripheral members.

A porous SiC transfer foil enables clean epitaxial layer separation, cutting crystal waste and seed wafer cost in power substrate fabrication.

A tuned oxidizer, fluoride etchant, and corrosion inhibitor selectively remove titanium nitride while protecting molybdenum and dielectrics.

Angled process and inert gas nozzles raise gas concentration at the wafer center to improve film thickness uniformity on patterned wafers.

Sequential spacer and slit mask patterning improves fine circuit uniformity, expands process margins, and lowers defects in dense semiconductor layouts.

Low-temperature cyclic fluorination and inert-plasma removal etch stacked silicon oxide and nitride more uniformly while reducing arcing.

Microwave treatment of interconnect barrier layers lowers via resistance while avoiding plasma damage to low-κ dielectric layers.

A slit-linked semiconductor pattern and source junction improve current paths, reduce leakage, and preserve 3D memory cell density.

Varying hole density between center and edge regions evens low-pressure gas flow, improving oxide thickness uniformity and reducing defects.

High-RF PECVD deposits carbon hard-mask films above 2 μm at over 5,000 Å/min, improving throughput and thickness consistency.

Body contact regions formed beside vertical transistor bodies use bowl-etched insulation to suppress floating body effects and improve DRAM retention.

Selective copper-clad removal and preformed plating create chip recesses and wiring together, cutting package thickness without losing shielding.

A roughened chamfer around the temporary fixation substrate edge suppresses peeling and chipping in fan-out packaging, improving yield.

A two-step dry and wet etch removes insulation while limiting sidewall voids and preserving flat substrate topography.

An n-type isolation region disconnects the body from the substrate, preserving driving current and stable electric field in high-voltage MOSFETs.

An external lifting station lets an autonomous vehicle hand off heavy carriers with precise machine-tool alignment while cutting vehicle weight and energy use.

Periodic gaps and fill layers relieve CTE-mismatch stress in silicon nitride films, improving wafer adhesion and reducing fracture risk.

Pre-sintered ceramic layers and hot-pressing sintering improve flatness, thickness uniformity, and layer bonding in semiconductor ceramic plates.

A three-step gas cleaning sequence removes residual fluorine from process containers to protect deposition rate, film quality, and throughput.

A spaced body contact with dielectric, conductive, and metal layers improves SOI RF MOSFET body bias uniformity and linearity.

Continuous carrier gas flow clears residual cluster-forming gas from the nozzle, preventing liquefaction, stains, and pattern collapse on substrates.

Integrated sorting inside a die stocker cuts transfer backlog and contamination when semiconductor dies pause between process tools.

Anisotropic oxide formation thickens fin tops and thins sidewalls to protect FinFETs during etching while preserving density and gap fill.

Embedded semiconductor regions stagger charge carrier injection during reverse recovery to prevent snap-off, cut oscillations, and keep low conduction loss.

Partial oxidation through stacked layers forms curved barrier patterns that block charge transfer and improve 3D memory reliability.

A void formed between the buffer layer and semiconductor layer blocks dislocations, suppresses hillocks, and improves crystallinity.

Hydrophobizing vapor and organic solvent vapor replace liquid drying to limit wafer pattern collapse while reducing residue and particle attachment.

Short cyclic etch and pumping steps improve SiGe selectivity, lateral etching control, and profile quality while reducing etch defects.

Sequential buffer and epitaxial SiC growth cuts crystallographic defects below 1 ppm, improving substrate reliability and reducing quality-control burden.

Grounded static eliminators on insulating recovery pipes discharge electrostatic buildup while improving semiconductor cleaning solution recovery.

Partitioned tray spaces, curved guide grooves, and widening fastening grooves secure multiple semiconductor substrates against collision and warpage.

Heated HF vapor confined near the substrate prevents HAR stiction and repairs collapsed structures without costly vacuum or supercritical drying.

Multiple container movers and an inert-gas substrate carrier raise semiconductor throughput while reducing transfer complexity and contamination.

Oblique ion beams target raised structure tips and front sides for precise doped regions without complex hard masks.

Dielectric contact spacers line contact openings to isolate gate structures, widen spacing, and reduce bridging-related yield loss.

Focused beam interference compares phase patterns across sample locations to detect thickness variation magnitude and sign for tighter process control.

Selective wet etching clears lateral crystallite regions before plasma removal, enabling complete cleanup while protecting epitaxial areas.

Pre-stored chamber layout data lets substrate transfer robots self-configure, cutting setup time and operator burden in semiconductor tools.

By moving dopant activation before gate formation, this SiC rectifier layout avoids annealing damage and cuts mask-driven process cost.