Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Varying word line depth with two convex portions improves transistor channel control and reduces leakage current in scaled DRAM structures.

H2+ and He+ implantation forms a controlled cleavage layer for thin SOI transfer, improving thickness uniformity and reducing donor wafer waste.

Variable wafer rotation builds a thicker, more uniform chemical film to improve etch flatness and reduce corrosion pits during wet processing.

An interface that forms lots and transfers substrates between batch and single-wafer stages boosts throughput while protecting pattern integrity.

Thermodynamic scoring selects supply gas and heating temperature to remove target metals from heat treatment furnaces with less trial and error.

A stepped low-temperature oxidation of the polysilicon charge-trapping layer raises RF SOI oxide breakdown voltage while lowering cost.

Selective deposition of same-metal capping layers cuts metal gate resistance and mitigates poly depletion in MOS transistors.

Ion implantation creates a continuous disorder region so a metal silicide layer forms uniformly across doped and spacing regions, lowering resistance.

An air chamber formed in the word line trench replaces dielectric material to cut DRAM parasitic capacitance and wire interference.

A contact metal rectification barrier replaces the parasitic body diode to cut freewheel voltage drop and improve reverse recovery.

A rotating support assembly with staged lift pins enables substrate loading in spatial ALD chambers with limited Z-axis travel and lower pin stress.

Region-specific mask removal with a temporary protection layer prevents insulating-layer damage and mask residues, improving semiconductor flatness.

An angled mesh or perforated fixture deflects and laminarizes EFEM gas flow to stabilize FOUP humidity, oxygen, and purge performance.

Controlled PECVD SiON encapsulation protects MTJ sidewalls during 400°C annealing, preserving magnetoresistive ratio and gap isolation.

A dual-space load lock uses rotating supporters for notch alignment and vision inspection during pumping, cutting transfer time and improving UPEH.

Focused ion beam irradiation creates deep-trap conductive features in highly insulating dielectrics, enabling nanoscale patterning with ohmic behavior.

A FOUP-embedded sensor tracks end effector paths in real time, preventing substrate damage without adding load port interference or process stops.

Metal-organic gallium precursors etch Ga2O3 in MOCVD without subsurface damage, enabling smooth vertical fins, trenches, and vacuum regrowth.

Selective MLD forms a thermally decomposable sacrificial polymer on high-functionality surfaces, enabling fine patterns without extra pretreatment.

A movable nozzle purges clean gas between the separated FOUP box and door to clear residual water and protect wafers from damage.

A ring separator uses stepped recesses and interlocks to limit wafer contact, maintain an underside gap, and reduce ESD and transport damage.

Metal-rich ScAlGaN epitaxy improves adatom migration, yielding smoother heterostructure interfaces, lower impurities, and better carrier mobility.

Built-in shelf alignment and retention features guide carriers and process kit rings into position, reducing robotic placement errors and damage.

A dual-protrusion engagement mechanism positions the substrate accurately and initiates superstrate release after curing to streamline planarization.

Wet-chemical etching and hydrogen-radical rinsing enable low-resistance ohmic contacts on II-VI semiconductors without high-temperature crystal damage.

Conformal spacer deposition and selective removal create region-specific critical dimensions while keeping pitch uniform in microelectronic patterns.

Cyclometallated-ring accelerators raise metal-film etch rate and selectivity while reducing residue in semiconductor manufacturing.

A laterally spaced sense contact on the trench electrode detects fast drain transients without adding a separate sensing electrode.

A silicon-based capping treatment removes hydroxyl-driven oxidation in thin metal oxide etch stop layers, cutting capacitance and preserving speed.

Growth suppressant gas during tungsten deposition inhibits fluorine adsorption, enables outgassing, and prevents voids in 3D memory insulating layers.

Dry gas expands a dry region at a controlled liquid boundary to prevent residual droplets and watermark defects on patterned substrates.

Real-time position detection between the transfer unit and chamber door corrects wafer shift and helps prevent wafer damage.

Dense crosslinking and reduced acid diffusion in a silicon resist underlayer improve CDU, LWR, adhesion, and dry-etch pattern transfer.

A stepped sacrificial layer and slit-formed opening connect the source layer to stacked channels, improving 3D memory reliability with simpler fabrication.

A separate working track exposes the traveling unit for cleaning and service, while a mover shifts the vehicle where no power feeder is present.

Nitrogen-rich SiC/oxide interface termination and a 0°-8° off-angle suppress roughness and interface states to stabilize MOSFET carrier mobility.

Cyclic energy-flux activation and nitrogen gas exposure enable low-temperature, damage-free nitride growth with conformal, self-limiting deposition.

An oxygen-absorbing layer in the gate stack captures oxygen and moisture to prevent oxidation-driven threshold voltage drift.

Radical inhibitors and initiators protect EUV photoresist from hydrogen-radical damage, cutting defects and improving line width roughness.

UV-assisted nanoimprinting creates fiber-tip and plasmonic sensor patterns that simplify fabrication while improving refractive index and VOC sensing.

A width-controlling structure defines word line geometry without photolithography alignment, preventing DRAM overlay shorts and leakage.

Integrated purge and process gas control prevents backflow, cuts dead leg effects, and improves semiconductor process uniformity.

A thin dielectric masking layer with nanoscale pinholes blocks substrate dislocations while preserving n-layer contact to improve LED quality.

Inductively coupled plasma effluents plus UV curing lower dielectric constant in silicon-containing films while preserving hardness and modulus.

A back pressure controller with branch relief quickly reaches target gas pressure without overshoot, improving substrate cleaning control.

Pressure-zoned EFEM chambers contain harmful transfer gases during wafer handling while preserving internal cleanliness and blocking outside contamination.

Adjusts EFEM nitrogen flow during bottom purge by subtracting container gas use, maintaining positive pressure while cutting waste.

A dual-pipe liquid supplier lowers dummy dispense flow with added pressure loss, reducing filter clogging, ventilation faults, and liquid waste.

Patterned oxidized silicon beneath a GaN HEMT enables back-side field control, improving high-field management with less circuit complexity.