Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Oxygen-rich plasma selectively etches tungsten over silicon oxide while maintaining chamber pressure above 60 mTorr.

A deep layer with higher impurity concentration disperses injected charge within a super junction semiconductor device.

Alternating halogen and non-halogen process gases at varying pressures deposits a dense seed layer on semiconductor substrates.

Sacrificial solids seal high-aspect-ratio openings during inter-tool transfer, preventing liquid condensate formation and feature collapse in moist atmospheres.

Alkali metal salt quenchers suppress acid diffusion in EUV resists, resolving the trade-off between line width roughness reduction and sensitivity loss.

Backside-dominant heating achieves uniform temperature distribution and high dopant activation, reducing performance variations across the substrate.

Irradiating aqueous etchants creates reactive species that boost high dielectric film etching rates and selectivity, reducing gate oxide formation time.

Mandrel spacers with sloping profiles form self-aligned trench contacts, reducing misalignment risks and coupling capacitance.

Nitrogen plasma treatment forms nitride surface layers on low-k dielectric films to smooth exposed surfaces after etching.

An etch resistant layer protects the recessed dielectric from erosion during gate formation, preventing junction leakage.

Vacuum conveyance suppresses vibration-induced breakage of fragile modified layers during sequential laser and grinding steps.

Embedded dielectric layers in power MOSFET trenches create inversion channels that lower specific on-resistance while avoiding parasitic capacitance increases.

Patterned sapphire substrate with protrusions conditions chemical mechanical planarization pads.

Differential etching of dual-layer trench gate fill materials stabilizes post-etch shapes and suppresses impurity density variations during ion implantation.

Segmented annealing stages and local quality insulating films reduce gate-source capacitance while resolving impurity activation trade-offs.

Fillet radius joints in wafer holding apparatuses eliminate stress concentration points that cause cracking under harsh processing conditions.

A film-forming composition containing a polymeric silicon compound, dopant source, and porogene enables high-concentration diffusion into silicon wafers.

A tri-layer photoresist structure uses a wet strippable silicon-containing middle layer to transfer patterns during semiconductor fabrication.

Inclined trench sidewalls suppress gate leakage while maintaining low channel resistance in silicon carbide devices.

Extended source-drain contacts increase contact area to lower parasitic resistance in semiconductor devices.

A carbonitride film forms through a cyclic CVD process using alternating gas supplies to deposit precise layers on semiconductor substrates.

Discharging liquid between a rotating wafer and an opposed plate forms a liquid-tight state, preventing retained film that causes uneven treatment.

Selective residue enables sidewall doping in isolation trenches, reducing process complexity.

Selective deposition grows phase change material upward from conductors, eliminating voids and seams that degrade device reliability.

Ionizing the atmosphere and collecting particles prevents electrostatic contamination on substrates held by chucks.

Polishing a protective cap layer improves wet-etch efficiency and reduces conductive via protrusion, increasing manufacturing margin.

A SONOS transistor uses a barrier wall to separate select and memory gates within a single polycrystalline silicon structure.

Segmenting atmosphere control reduces nitrogen consumption and prevents oxidation while maintaining clean air in the transport chamber.

A method creates symmetrical two-dimensional fin structures for vertical field effect transistors using precise spacer patterning.

Selective etching of silica-based residue using HF gas removes deposits without damaging block oxide films.

Distinct tensile and compressive stresses in separate trenches enhance carrier mobility while reducing short channel effects.

Voltage ramp conditions in plasma doping prevent ion bombardment damage to minimize fin height loss while ensuring conformal dopant profiles.

Microphones detect acoustic signals from substrate notches hitting rollers, eliminating vibration sensor complexity and waterproofing requirements.

Laser annealing crystallizes active layers and activates doped ions simultaneously in thin film transistors.

Late amorphization with disposable spacers generates channel strain during re-crystallization, reducing series resistance and leakage currents.

A resist composition uses an alkali soluble base component to form negative-tone patterns through exposure and development steps.

Sub-fin structures absorb thermal stresses to protect main fin integrity during fabrication.

Lattice grooves with varying directions on a heat-generating resistor disperse thermal stress to prevent peeling and maintain reliability.

Neutral pH etching liquid removes titanium nitride while preventing surface non-uniformity.

A flow measuring device uses adjustable resistance members to match inflow characteristics.

A planarization layer fills recesses in a semiconductor layer composite to create a flat surface for subsequent processing.

A transparent electrostatic carrier uses indium-tin oxide electrodes to secure substrates during processing.

Baking quartz products with hydrogen chloride and oxygen reduces copper concentration below 20 ppb, preventing semiconductor substrate contamination.

Segmented floating guard rings manage electric fields to raise breakdown voltage without degrading switching speed.

Multi-layer screening structure with selective etching resolves implant uniformity contradictions in semiconductor manufacturing.

Selective etching defines self-aligned junctions in a bipolar transistor stack, reducing parasitic capacitances and enhancing operation speed.

Fluorinated photopolymers resolve material degradation during lithography by providing high contrast and robustness against solvent attack.

A ferroelectric semiconductor device uses a hafnium oxide layer to stabilize orthorhombic crystals.