Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A semiconductor fabrication method segments recessing into controlled removal cycles to form precise device structures.

A purge nozzle uses a guide surface to direct container alignment without obstructing the process.

Cyclical etch and oxidation steps prevent corner over deposition, maintaining polygonal hole geometry.

An undoped spacer layer increases the distance between the surface and the two-dimensional electron gas layer in nitride semiconductor devices.

Oxidation and nitridation treatments smooth recess surfaces before SiGe epitaxy, reducing roughness-induced performance variations.

A nitride semiconductor substrate manufacturing method uses silicon-on-insulator notches to form protrusions and recesses on a buried oxide layer.

Condensing deep-ultraviolet resist via ultraviolet radiation before ashing.

A crystalline aluminum carbide thin film grown via metal organic vapor deposition serves as a semiconductor substrate.

Asymmetric orientation blocks basal plane dislocations, reducing manufacturing costs while maintaining low defect densities.

Gas stream prevents liquid drops from reaching the work piece region, allowing rotating brush to scrub edge residues without causing line collapses.

Segmented mask layers distribute width reduction to shrink openings below lithography limits, preventing yield loss from excessive single-layer shrinkage.

Diffusing implanted recombination centers creates a U-shaped distribution that reduces reverse recovery losses and achieves soft switching behavior.

Vertical conductive regions and deep trench structures reduce lateral cell pitch while maintaining breakdown voltage in LDMOS devices.

Segmented dielectric layers and a raised lower electrode prevent seam-induced contamination and physical stress on the phase change feature.

Adjusting JTE impurity concentrations to optimize electric field distribution in semiconductor devices.

A cleaning liquid jet assembly removes polishing debris from a chemical mechanical polishing pad to prevent wafer scratching during semiconductor manufacturing.

Segmenting the anode into monocrystalline and polycrystalline regions balances cosmic radiation robustness against switching losses.

A combustible gas supply pipe enclosure receives noncombustible gas to displace oxygen and prevent ignition of electrical flow rate controllers.

A single deposition process forms the epitaxially grown mono-silicon emitter and base layer of a bipolar junction transistor.

Crossed gas supply nozzles deliver silicon and carbon precursors to resolve non-uniform concentration in large-diameter substrate processing.

Two-stage trench cleaning eliminates metal residues to prevent current leakage and improve device yield.

Removing intermediate layer protrusions during etching prevents voids and uneven thicknesses, enhancing heat radiation and yield ratios.

Groove formation and conductive metal filling create accommodating spaces for polymer deposition.

A direct bonding method for dissimilar III-V semiconductor substrates utilizes a two-stage heat treatment process to achieve stable interface formation.

Independent actuators expand rear cut-outs to shape the holding surface, compensating for planar positional deviations in semiconductor processing.

Etching and exfoliating nanowires from bulk substrates eliminates expensive epitaxial growth, reducing manufacturing costs for high-efficiency GaAs solar cells.

A sacrificial spacer consumes excess metal during thermal treatment, restricting lateral encroachment into the channel region and reducing gate leakage current.

A spectral library associates reference substrate characteristics with optical measurements to enable in-situ monitoring during chemical mechanical polishing.

Segmented diffusion layers separate high-concentration regions from the gate electrode, resolving the trade-off between breakdown voltage and ESD protection.

Segmented hollow shells isolate catalyst nanoparticles to prevent nanowire agglomeration while enabling volumetric scaling.

Embedded post features retard chemical mechanical polishing to prevent metal electrode dishing, maintaining electrode height and preventing capacitance loss.

A gas amplifier with a Coanda surface draws compressed gas through the processing chamber to accelerate cooling and purge reactants.

Integrating a trench capacitor into the gate stacked structure reduces layout area while maintaining capacitance density.

A rugged aluminum capacitor surface increases effective area within a fixed footprint.

Fabricate integrated circuit resistors with varying sheet resistance using a single semiconductor layer and selective dopant annealing.

A spacer ring creates a ventilated gap between the substrate and susceptor to isolate reactant gases.

Selective chemical etching of silicon (110) substrates creates vertical sidewalls that extend the optical path length without increasing lattice defect density.

Chemical treatment releases surface charges to reduce potential differences and prevent galvanic corrosion in miniaturized semiconductor interconnects.

An epitaxial silicon-germanium active layer increases near-infrared absorption coefficients while minimizing crystal dislocations.

Inverting subtractive etching with sacrificial pillars prevents undercutting, ensuring precise pillar shape control and reliable insulation.

Applying boron carbide to the graphite boat eliminates silicon nitride pre-coating, reducing wear and cost.

A sacrificial gate layer receives transverse cuts before longitudinal patterning to define precise vertical profiles.

A magazine rack identification system reads unique codes to automatically adjust lifting mechanisms for different wafer expander specifications.

Silicon-doped carbon interlayer dielectrics incorporate silicon into a carbon-based film network to increase mechanical strength.

Segmented selective area growth with an aluminum nitride buffer reduces dislocation defects in gallium nitride layers grown on mismatched silicon substrates.

A stepped insulator blocks plasma infiltration to protect the adhesion layer, maintaining uniform heat transfer and preventing dielectric breakdown.

Fluorine surface termination reduces contact resistance and prevents substrate damage during high-temperature annealing.