Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Plasma oxidation forms crystalline cuprous oxide transistors at 350-450°C, preserving BEOL thermal budgets while improving quality and mobility.

Multiple wafer speed changes during photoresist dispensing cut EUV resist use while keeping 300 mm wafer coating variation within 2 nm.

Integrated silicon carbide measurement regions enable in-situ calibration of film growth and substrate temperature, reducing sensor drift and downtime.

Metrology-guided etching uses a substrate thickness map after CMP to correct thickness variation, improving symmetry, yield, and material use.

Low-temperature ALD with in-situ argon plasma tunes metal nitride gate work function for scaled MOSFETs, cutting power use and improving performance.

Two optical systems with different focal planes correct die-to-substrate offset when bond head and bonding location sit at different heights.

A carrier-gas transition under 30 seconds enables fast high-temperature polycrystalline silicon charge-trapping deposition without excessive substrate deformation.

Amidinate-based scandium and yttrium precursors improve volatility and heat resistance for high-quality dielectric thin films with lower leakage current.

A protonated cleaning solution lowers wafer surface negative charge during drying, reducing electrostatic failure and improving IC yield.

A dual-thickness trench insulating film evens electric fields in the termination region to raise breakdown voltage and prevent avalanche breakdown.

Selective oxide capping enables different silicides in n-type and p-type FET contacts, lowering Schottky barrier height and contact resistance.

Pressure-difference-based control stabilizes multiple precursor gas flows in semiconductor chambers, improving film thickness uniformity.

Separate processing of vertical memory arrays and control logic cuts footprint while preserving logic performance and memory switching speed.

Opposite-surface electrodes in a GaN polarization super junction enable vertical current flow, easing electrode size limits and improving breakdown voltage.

A self-aligned silicon nitride spacer shields exposed MIM capacitor sidewalls from moisture and plasma damage to improve chip reliability.

A thick-thin semiconductor structure with asymmetric gate overlap lowers drain-side lateral electric field while maintaining operating current.

A position-triggered clamp secures semiconductor boats in transport trays, limiting vibration and rattling while preserving easy loading at stations.

Passivation and catalyst layers enable selective low-k dielectric growth that preserves via alignment and reduces shorting and capacitive coupling.

An inclined trench open end boosts oxide growth at critical silicon edges, suppressing subchannels, leakage, and sub-threshold humps.

Pressurized gas and negative-pressure evacuation clear laser-cut mask trenches during patterning, improving etch singulation accuracy and mask protection.

Real-time distance sensing adjusts wafer chuck vacuum zones to keep bonding wave velocity uniform and reduce bonded wafer distortion.

A halogen pretreatment and organic modification layer enable metal film growth only in target substrate regions, lowering contact resistance.

Additional backside trench etching removes sharp angles, enabling passivation and isolation insertion that cuts dark current and white pixel defects.

A sacrificial sidewall layer forms a self-aligned air-gap under source/drain contacts to cut parasitic capacitance while preserving isolation.

A low-melting amorphous top layer enables reduced-power laser annealing to activate dopants while limiting fin deformation and diffusion.

Focused laser pulses implant lattice signatures to correct semiconductor die distortion, improving 3D stack alignment and bonding.

Negative-pressure purging keeps moisture out of corrosive gas lines, improving purge efficiency and preventing pipe and component failure.

A porous collet balances vacuum holding and central positive pressure to reduce chip vibration, gaps, and voids during thin-chip bonding.

A planarized hard mask transfer flow suppresses resist scum defects and improves etching selectivity for sub-7 nm line-and-space patterning.

Calculating transferable time for each process chamber helps route substrates with less transfer-chamber stagnation and less idle chamber time.

Self-aligned polysilicon and insulation regions stabilize gate-split gate spacing, prevent split gate deformation, and shrink high-voltage layouts.

Directional etching reshapes concave-corner patterns into expandable openings, preserving design margins and critical dimension fidelity.

Image-based alignment measures chiplet planarity deviations and corrects position error to improve bonding pad alignment on dense interconnects.

An inhibitor-first precursor sequence improves film coverage in trenches and grooves by guiding adsorption toward recessed substrate areas.

A self-aligned cylindrical vertical channel and shared gate improve source/drain overlap, channel control, and on-current per area.

Multiple inert gas flows cool vertically aligned substrates more uniformly in a standby chamber while cutting cooling time and gas use.

A recessed substrate process reduces gate dielectric edge thinning after trench isolation, improving thickness uniformity and device performance.

An inhibitor adsorbs on a second surface while halogen gas cycles etch the first, improving film selectivity in semiconductor processing.

Selective sacrificial-layer removal creates sealed air gaps around a metal gate, improving air spacer reliability and cutting parasitic capacitance.

A composite high-K/low-K spacer separates FinFET contacts from interconnects to cut parasitic capacitance while preserving contact resistance.

Multi-stage heating along the transfer path improves wire-to-cell bonding uniformity in solar cell string tabbing while maintaining throughput.

Direct gate contacts over active regions use self-aligned vias and selective etching to cut cell area without extra contact layers.

An adsorbed inhibitor protects a second surface while alternating halogen gases etch the first surface for more precise region-selective semiconductor processing.

Coordinated susceptor and preheating ring height control stabilizes gas flow and edge heating to reduce epitaxial wafer thickness variation.

A 2P2E cut metal gate process separates merged source/drain features, enabling tighter fin spacing, lower contact resistance, and smaller SRAM cells.

UV pre-exposure sensitizes photoresist so photolithography can cut EUV dose by 35-45% while maintaining critical dimensions and throughput.

A stepped etch-and-fill polysilicon contact structure reduces voids and holes, improving contact quality and semiconductor reliability.

A blocking dielectric slows local CMP over large high-voltage gate regions, preserving gate height and protecting the gate dielectric.

A shared drive rotates the substrate holder and surrounding cup to suppress bouncing droplets, reduce contamination, and avoid extra mechanism cost.

Sequential DIW and IPA cleaning improves membrane wetting, removes metals and other contaminants, and prevents processing liquid contamination.

Radical etching removes dummy polysilicon gates without ion bombardment, keeping gate spacer sidewalls straight for uniform metal gate behavior.

A silicon nitride hard mask protects the first dielectric layer during IO oxide removal, preserving gate height in semiconductor fabrication.

Etch stop islands enable simultaneous 3D NAND staircase contact formation while protecting conductive layers from erosion and cutting process time.

Vacuum holes hold adjacent dies while an ejecting bar lifts the target chip, reducing pickup stress and cracking in thin semiconductor chips.

High-concentration n-type spacing regions suppress peripheral electric fields, keeping breakdown voltage high in a narrower semiconductor edge.

A refractive prism redirects light from centered micro-lenses onto offset SPAD elements, boosting fill factor and photon detection efficiency.

Detachable carrier blocks tune substrate thermal expansion to match the device substrate and prevent semiconductor package warpage.

Metal infiltration into photoresist boosts exposed-unexposed etch selectivity, enabling dry pattern development with less roughness and collapse.

Selective metal halide deposition on crystalline silicon forms uniform silicide contacts in high-aspect-ratio features with lower defects and resistance.

Controlling the NF3:NH3 ratio in SiCoNi suppresses nickel silicide lateral diffusion, reducing off-current and improving yield.

Hydrocarbon termination blocks film growth on a first base, enabling selective deposition on a second base for precise semiconductor processing.

Varying metal photoresist properties across layers reduces EUV outgassing effects and improves line width roughness and critical dimension uniformity.

A two-step etching sequence uses a low-surface-tension mixed liquid to reach narrow gaps while reducing etchant waste on outer regions.

Combining and splitting timed laser beams improves flat-top beam uniformity while keeping the optical system compact and pulse energy controllable.

Quick-connect ports let liquid move through a sealed plastic bucket without lid opening, preserving cleanliness, airtightness, and chemical resistance.

A silicon-containing soak and metal capping layer block diffusion and oxygen ingress, stabilizing work function and threshold voltage in FinFET gates.

Ion implantation converts hard mask bonds from sp2 to sp3, cutting compressive stress while preserving etch resistance and layer stability.

Bottom and support shielding structures redistribute trench electric fields to limit oxide breakdown and improve power semiconductor ruggedness.

Controlled-vapor-pressure pre-wetting with mixed organic solvents enables thinner uniform resist films while maintaining defect inhibition and resist savings.

An organic-acid adhesion layer blocks etchant penetration at the hardmask interface, preserving work function layers for accurate threshold voltage control.

Multi-step etching separates wide and narrow feature formation on one substrate to avoid over-etching and preserve optical pattern integrity.

Laser melting and recrystallization convert 4H-SiC surface regions into low-defect 3C-SiC layers, avoiding complex growth control.

A spacer film plus isotropic and anisotropic etching corrects recessed-hole shape for circular profiles, higher integration density, and less bowing.

An air-gap under a flyover source/drain contact cuts FinFET parasitic capacitance while preserving isolation and process compatibility.

A combined dispenser and planarization head flattens formable material on chucked substrates in one station, cutting handling and registration steps.

Stop-layer thinning and repeated wafer bonding enable ultra-thin die stacks with higher 3D integration and improved electrical performance.