Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Sliding notch covers open for lift-pin transfer and close during brush processing to divert inert gas and keep liquid off the wafer rear surface.

Dummy HKMG gate structures in high-voltage SOI regions prevent CMP dishing while enabling integrated low-voltage logic and high-voltage memory arrays.

Different silicides are formed on p-type and n-type source/drain regions in situ to lower contact resistance and avoid cleaning-related damage.

A thin resilient edge and vacuum-groove holder prevent vertically erected chips from sticking and damaging adjacent dies during film pickup.

Chemical soak and post-treatment limit oxygen diffusion in FinFET work function layers, enabling thinner gate stacks with fewer defects.

A disposable etch stop hard mask is replaced with low-k dielectric layers to cut gate-to-contact capacitance and simplify FinFET contact formation.

A buffer layer and dopant pulling layer tune high-k gate dielectric doping to stabilize multi-Vt FinFET threshold voltage.

Ion implantation, ALD stressor deposition, and annealing create symmetric dislocations that improve FinFET channel stress uniformity and mobility.

A cobalt source/drain contact with nitride and silicide layers lowers contact resistance while widening the metal fill window.

A closed liner, top-exit injectors, and exhaust downflow reduce deposition and breakage while improving gas uniformity across substrates.

Non-plasma ozone heating selectively oxidizes the upper seal layer, protecting ultra-low-k material and reducing RC delay.

A thermally controlled aqueous oxidizer hardens low-density gap-fill dielectric before CMP, cutting scratch defects and improving adhesion.

Cationic aqueous treatment boosts direct bonding energy at 20-350°C, avoiding plasma cost and reducing thermal risk to sensitive components.

A metal spacer shields III-N contact metallization during chemical cleaning, enabling deeper trench etching and better electrical contact quality.

Alternating amorphous aluminum oxide and hafnium oxide layers keep wide band gap transistor gate stacks stable at high temperatures and limit leakage.

A divided mold cavity and self-plugging low-pressure channel protect sensitive parts while high-pressure filling continues in one molding step.

Consecutive reducing-gas and precursor steps limit halogen by-product buildup on the substrate, raising deposition rate and film quality.

An edge trench with higher dielectric content spreads electric fields in SiC power semiconductors, improving breakdown strength and voltage blocking.

Self-aligned double patterning forms BEOL conductive mandrels below 15 nm pitch with fewer defects and tighter critical dimension control.

Layered low-k gate spacers cut FinFET parasitic capacitance while a dielectric cap preserves etch precision and supports epitaxial source/drain growth.

A transparent chuck table lets the imaging unit detect wafer top-side processing regions from below, even with a metallic back layer.

Alternating silicon and nitrogen-containing spacer sublayers protect the dummy gate during etching, preserving profile uniformity and preventing shorts.

Trimming FinFET fins after adding a fin top layer widens gate gaps, improves fill process windows, and helps limit short-channel effects.

Selective particle and light irradiation stabilizes IGBT threshold values while cutting diode reverse recovery losses.

Exposed sidewalls and shaped gate/source-drain contacts expand interface area and cut resistance in dense FinFET structures.

By limiting staircase formation to selected array borders, this case saves area, supports routing connections, and improves 3D memory density.

A pull-back etch exposes the welding layer and widens openings, improving adhesion and enabling void-free conductive feature fill.

A halogen source layer in the gate stack repairs interface defects, improving carrier mobility and stability in scaled semiconductor structures.

A raised-base cutout structure shields the adhesive layer from laser exposure, preserving airtight gas flow and precise workpiece floating.

Oxidizing deposited film in the process chamber after substrate unloading suppresses peeling and particles, extending cleaning cycles.

A self-aligned shielding region under the gate cuts dielectric field stress in SiC MOSFETs, improving breakdown reliability without raising on-state resistance.

Electrostatic probes track charge on pumps and pipelines so chemical delivery can limit ESD, contamination, and explosion risk.

Hydrogen-argon plasma and DI water enlarge via bottoms in semiconductor interconnects, cutting RC delay, resistance, and CMP slurry seepage.

A laterally movable arm pivot cuts moving-plate width while keeping fast substrate transfer between load lock and processing chambers.

Planar heating and gas pressure regulation mold epoxy packages with less waste, lower energy use, and fewer voids than hot press molding.

Alternating TiN and TaN work function layers help tune gate electrical characteristics as semiconductor gate structures shrink.

Low-pressure cyclic SiGe/Si epitaxy forms fully strained stacks with fewer defects and particles for CFET and GAA-FET fabrication.

High-flow cooling gas and a radially tuned distribution plate tighten spike anneal temperature profiles and limit dopant diffusion.

A fluorinated hardmask composition balances spin-coating solubility with strong etch resistance and planarization for fine semiconductor patterns.

Partial fin etching and tuned epitaxial growth raise source/drain merge height to cut capacitance and contact resistance in n- and p-FinFETs.

Electroless-plated vias make direct contact with conductive features while a blocking layer preserves sidewall protection and lowers contact resistance.

A treated passivation layer forms a confined conductive interface on metal gates, cutting contact resistance while preserving gate electrical stability.

In-situ Cl2 etching suppresses top buildup during metal nitride deposition, enabling seam-free trench and via filling.

Doped AlGaN barriers and rounded gate foot corners suppress electron trapping and dynamic current collapse in recessed-gate GaN HEMTs.

Ion implantation and masked etching reshape trench sidewall oxide for controlled thickness, smooth gate filling, and lower semiconductor scrap.

Laterally etched spacers create different upper and lower gate lengths, improving metal fill uniformity while reducing gate capacitance.

Different cleaning gases and zone temperatures target deposits in substrate and non-substrate regions, improving chamber cleaning without vessel damage.

Oblique FFU airflow redirection keeps down flow gas out of an open FOUP, reducing moisture and oxygen contamination during wafer transfer.

Integrating load locks inside the factory interface cuts fab footprint while preserving reliable substrate transfer and higher tool density.

Removing dissolved gas before liquid-film coating suppresses bubbles during supercritical drying and protects fine wafer patterns.