Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Dense holes in the substrate table supply and remove conditioning fluid, reducing global wafer heating by up to ten-fold to prevent overlay errors.

Faceted SiGe source/drain regions in pFETs induce uniaxial channel stress without forming deep canyons at trench isolation edges, preventing silicide shorts.

Composite buffer layer with interfacial hydrogen etching converts basal plane dislocations to threading edge dislocations in silicon carbide epitaxy.

Varied fin heights in the active pattern lower contact resistance while maintaining operational reliability during device scaling.

Discrete protrusion pattern on electrostatic chuck base body reduces contact area to minimize particle attachment while maintaining strong adsorption force.

Laminated auxiliary layers with controlled acid diffusion form sub-resolution patterns, overcoming exposure resolution limits.

A vertical GaN LED manufacturing method uses insulating patterns to define regions before semiconductor growth.

A substrate cleaning method peels a solidified particle holding layer from the wafer surface using a specialized liquid.

An oligomer-based sealing layer fills pores larger than 3 nm in low-k dielectrics, preventing metal particle diffusion and maintaining electrical performance.

A recessed germanium ridge photodetector integrates into silicon waveguides to reduce topographical variation.

Alternating coating and anisotropic etching cycles reduce gate line-end spacing to 35 nm, resolving bridging defects while maintaining vertical profiles.

Light attenuation through hardstop passage enables precise gap control, improving uniformity and throughput.

Beta-diketonate ligands reduce precursor viscosity while maintaining thermal stability, ensuring high dielectric constant films with low residue.

A semiconductor device uses a field electrode surrounded by two dielectric layers to reduce on-state resistance.

Selective epitaxial growth preserves biaxial strain in channel contact regions, preventing amorphization-induced mobility loss during dopant implantation.

Periodic gas bubble agitation ensures uniform chemical contact on solar cell substrates, preventing sticking and incomplete etching.

Replacing brittle SiO2 with aluminum-tungsten pairs and polyimide isolation resolves impact failure risks while enabling fast thermal response.

Multiple lattice constant layers on a fin field effect transistor suppress short channel effects and reduce leakage current in highly integrated devices.

A titanium liner contacts highly doped epitaxial semiconductor material to form low-resistance FET source/drain structures.

Nitride capping layer wraps STI oxide to maintain rectangular fin profile, preventing excessive oxide loss and leakage current in finFET devices.

Dual heat treatment removes interlayer impurities and diffuses materials to form high-quality gate dielectric layers for reliable semiconductor devices.

A strained semiconductor active layer uses buried and sacrificial stressors to induce mechanical strain via elastic edge relaxation.

Depositing an epitaxial silicon layer before thermal oxidation to form a uniform gate dielectric across trench isolation active area edges.

Amidine-buffered etching composition selectively removes titanium nitride while protecting metal conductors from corrosion.

Replacing solid dielectrics with an air pocket structure minimizes coupling capacitance to reduce middle-of-line RC delay.

An adsorption inhibition layer prevents ruthenium gas from depositing on substrate edges during film formation.

Adjusting support pin radius based on flash lamp pulse width to distribute mechanical stress across the semiconductor wafer.

Silicon oxide protection layer reduces interface roughness on fin structures, preventing leakage current during fabrication.

Ion implantation creates an amorphous template for precise cavity etching in strained silicon transistors.

A reducing gas flows into a CVD chamber during backfill to protect metal nitride films from oxidation.

Edge implants in a mesa structure force punch-through into the bulk region, eliminating asymmetrical breakdown voltages caused by lateral edge effects.

Cleaning fluid removes scattered resin from the frame surface to prevent vacuum pad sticking during transport.

Segmenting the gate into doped regions creates a PN junction that reduces gate-to-drain capacitance, minimizing switching loss in high-frequency circuits.

A substrate cleaning method forms a continuous liquid film on the wafer surface using controlled rotation speeds and gas discharge.

Spin etching selectively removes edge material from a substrate with a buried insulating layer, avoiding edge collapses and maintaining warp integrity.

Halogen gas pre-treatment removes oxygen impurities from oxide films, enabling high-quality SiGe epitaxial growth with improved carrier mobility.

A laser method forms two shifted modified regions within a thick substrate to initiate and extend a fracture along the cutting line.

Boric acid in the CMP slurry suppresses hard mask removal via electrostatic repulsion, preserving thickness during planarization.

Segmenting thick layers into stacked nano-layers achieves 42% confinement and 80 μm−2 power density without complex fabrication.

Electrodes with openings and protrusions create multiple liquid crystal domains to match voltage characteristics across display modes.

Photo-charge induction heating crystallizes low-concentration semiconductor layers on inexpensive substrates.

Alternating polymer deposition with plasma etching controls taper angles between 85 and 90 degrees, preventing grass defects in through-silicon vias.

Encapsulated non-insulating stress liners induce strain in semiconductor regions, boosting transistor performance while maintaining electrical integrity.

Shared cooling and gas infrastructure reduces device complexity while maintaining precise temperature control for high-quality quantum dot synthesis.

A warped electrostatic chuck base plate ensures a flat workpiece-chucking surface when mounted to the machine.

A semiconductor device uses segmented dummy gate structures to form gate lines with varying widths while maintaining a uniform pitch across regions.

A substrate positioning device interpolates abnormal edge shape data to identify notch marks on transparent wafers.

A design method places floating dummy lines with variable widths near signal lines to manage pattern density in semiconductor apparatus layouts.

WC heater electrode with Ru filler matches AlN substrate expansion, preventing cracking during semiconductor sintering.

Creating a carbon-depleted region in carbon-doped layers accelerates etching to reduce height variations at 7nm nodes.