Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A cyclic Si-containing hydrofluorocarbon plasma etch boosts selectivity in HAR structures while limiting polymer buildup on non-etching materials.

A shaped TiN barrier and tungsten contact fill reduce contact capacitance while improving electrical stability in scaled semiconductor layouts.

Cleaving and repositioning solar cell pieces in one deposition area streamlines shingled assembly while improving yield, throughput, and active area.

A graphite core with silicon carbide coating and porous inlays creates a uniform wafer chuck surface with stable holding and lower contamination risk.

Multi-step HBr/O2/CF4 and Cl2/Ar/CH4 etching equalizes nested and isolated fin widths, reducing micro loading effects in FinFET fabrication.

Laser-drilled access holes enable selective sacrificial-layer etching to detach III-V semiconductor layers with less masking and more usable wafer area.

Pulsed laser bonding joins μLEDs to display backplanes while limiting thermal mismatch, improving alignment, bond integrity, and yield.

A reducing gas protects the metal gate during CMP etch-back, helping FinFETs balance stress, resistance, gate leakage, and work function.

Stepped second spacers and air gaps protect the gate during contact etching, cutting parasitic capacitance and widening the process window.

Using ALD or CVD to form photoresist layers improves EUV film uniformity and lowers line width roughness, contamination, and solvent use.

Arc side walls with folded auxiliary walls limit molding shrinkage and wafer shifting, helping prevent contact damage during transport.

An etch stop layer enables single-step damascene via and trench formation while limiting dielectric loss and easing etch loading effects.

Different fluid temperatures above and below the substrate suppress convection, maintain laminar flow, and reduce impurity adherence.

Selective MOCVD p-GaN regrowth enables normally-off vertical-channel GaN JFETs while avoiding ion implantation limits and contamination issues.

A liftable, turnable wafer carrier combines immersion, spray, rinse, and drying steps to cut transfer time, equipment cost, and line space.

A funnel-shaped isolation structure between fins and gates improves electrical isolation, reducing electron leakage and charge carrier tunneling.

A border magnetic layer pulls iron and nickel particles away from the EUV mask pattern region, reducing phase defects and CD errors.

Independent RF control of cobalt deposition and reflow improves gap fill in high-aspect-ratio contacts, cutting voids, seams, and resistance.

A fluorine-tungsten etch gas forms a passivation layer that improves selectivity and keeps high-aspect-ratio holes uniform.

Alternating tungsten-boron and tungsten-silicon ALD cycles improve FinFET gate gap-filling while lowering electrode resistance.

A segmented silicon wafer with a joined thick lower region and beveled upper margin reduces bending and strain during III-N layer formation.

Instead of etching Ru or silicide lines, this case raises resistivity in selected regions to stop leakage while preserving structure.

Thermally driven phase-change material deforms the holding surface to control substrate shape with higher stability than piezoelectric or electrostatic actuators.

Asymmetric gate spacers enable self-aligned implantation in LDMOS, removing FOX-related size limits and reducing on-state resistance.

Gas treatment diffuses silicon or aluminum into work-function layers to limit oxidation and improve transistor threshold voltage control.

Selective capping over a thinned dielectric cap increases gate-to-source/drain spacing to block leakage currents and improve semiconductor yield.

Alternating HfO2 and ZrO2 layers deposited from inorganic halide precursors cut carbon contamination, leakage, and charge-trap defects in FeRAM.

A Ni/WN/Al gate stack blocks Al diffusion, cuts GaN HEMT gate leakage, and stays compatible with CMOS production lines.

A stepped field dielectric in edge termination trenches evens electric fields, improving avalanche robustness and lowering on-state resistance.

A porous separating layer and epitaxial seed layer enable clean wafer detachment, repeated carrier reuse, and lower wafer production loss.

A buried weakened plane formed by light ion implantation enables thick surface film transfer with better uniformity and less membrane damage.

Contactless optical scanning measures wafer warpage on the chuck and in lift-pin mode, improving handling analysis without probe contamination.

Field plates and a spaced channel stop help JTE edge termination resist surface charge variation and sustain high breakdown voltage.

Motor current feedback detects substrate contact and automates pin lifter positioning to reduce damage, calibration time, and pin wear.

An integrated adhesive film and patterned cavities secure varied semiconductor parts in one tray, reducing movement damage and ESD risk.

A plasma gas mix with unsaturated fluorocarbon and hydrofluorocarbon cuts iodine or bromine residue while preserving silicon compound etch selectivity.

A dipole inducing layer in the buried gate trench shifts work function to cut GIDL while supporting threshold voltage control and lower gate resistance.

Using O2 in cyclical vapor deposition enables selective oxide thin films on target surfaces while preserving organic passivation layers.

A trench nitridation layer between the substrate and isolation dielectric helps DRAM cells keep retention time as isolation spacing shrinks.

Heating elements form waveform bends in flexible circuits without cutting, preserving trace strength and easing routing in compact vehicle systems.

Corrected quantum IR sensing compensates sensor voltage drift during flash lamp annealing to keep wafer temperature measurement accurate.

A magnesium-containing AlN plate and low-conductivity AlN shaft cut heat loss, leakage current, and thermal stress above 650°C.

A wet etchant balances TiN removal with molybdenum and dielectric protection to form uniform recess layers in dual damascene structures.

A mobile fluid deformation approach applies perpendicular pretension to substrates, reducing bonding distortion and overlay errors.

Post-cap annealing crystallizes the silicon cap layer to suppress interface trap charge, lowering channel resistance in strained p-type fins.

A silicon-metal hardmask deposited from plasma precursors improves etch selectivity, transparency, and thin-film patterning for vertical semiconductor structures.

A press-fit plug with a separate interlocking part seals substrate carrier gas channels while preventing loosening, leakage, and system damage.

Optical sensing through a reflective FOUP wall tracks fluid purity and humidity in real time to protect contamination-sensitive wafers.

Labyrinth vent channels equalize pressure during wafer gas protection, preventing cassette deformation while blocking dust entry.

Trench sidewall implantation and thermal diffusion form alternating drift regions at lower cost while preserving voltage blocking and low on-resistance.

An extended semiconductor region at the trench bottom redistributes electric field to suppress gate oxide breakdown and improve withstand voltage.

Seeding sections and a capping layer guide high-k dielectric crystallization during annealing to lower leakage current and preserve integration density.

Sequential wet clean, plasma treatment, and re-cleaning widen the FinFET source/drain recess to improve contact landing and surface quality.

Selective passivation enables dielectric growth on metallic surfaces without lithography or etch steps, improving precision and process efficiency.

A staged grind, dry-etch, and selective etch flow removes the silicon wafer cleanly, enabling vertical current flow with lower contact resistance.

Selective blocking of copper recess regions enables flatter TGV copper surfaces without CMP, reducing recess transfer and glass panel risk.

Passivated adhesive zones hold semiconductor devices securely while lowering pickup force and avoiding adhesive contact with sensitive areas.

Polyol-added alkaline etchants raise silicon etch rates while reducing mask erosion, improving anisotropic micromachining precision.

A grooved multi-region ceiling heater spaces adjacent traces to absorb thermal expansion, improving temperature and film thickness uniformity.

Roughened layer surfaces create adhesive anchoring points that limit slippage and misalignment in chiplet-to-substrate bonding under stress.

An alkoxy silane protective layer enables selective removal of the array substrate component layer while preserving low roughness and high light transmission.

Diagonal shielding regions in the JFET area cut gate-oxide field stress while preserving low on-resistance in SiC MOSFETs.

Real-time vibration sensing adjusts conveying speed to limit delamination, contamination, and collision risk in semiconductor carrier transport.