Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A protecting layer shields wafer metallizations during plasma etching to prevent contamination.

Selective epitaxial silicon germanium source and drain regions improve electron mobility in n-channel transistors.

A lid splash shielding portion extends downward from a main cover to intercept boiling droplets inside the treatment tank.

A segmented backside grinding process shapes semiconductor wafers using distinct tool sequences for outer and inner regions.

A multi-step deposition process forms a titanium nitride barrier layer using ionized metal plasma and chemical vapor techniques.

Iterative OPC and mask data preparation refine contours to reduce residue errors and maintain shot count efficiency.

Stressor spacers inhibit silicide formation on source/drain stressor sidewalls, preventing junction spiking and fringing capacitance increases.

A CMP simulation method uses a line width logarithm-density matrix table to calculate grid results via interpolation and weighting factors.

A three-layer epitaxial wafer structure uses an intermediate buffer layer to minimize internal defects and surface roughness during semiconductor growth.

Curved shallow trench isolation structures eliminate sharp edges that cause corona discharge, improving drift current reliability in high voltage transistors.

A plasma enhanced atomic layer deposition system modulates power cycles to transition film growth from island nucleation to conformal layer-by-layer coverage.

UV-cured RELACS layers enhance photoresist erosion resistance, maintaining linewidth accuracy during dual gate oxide device manufacturing.

Sacrificial mandrels prevent void formation during flowable film conversion in high aspect ratio trenches.

A dotted channel structure segments the semiconductor body to redirect source-drain current flow around isolated P+ islands.

A transistor structure uses composite silicon and gallium arsenide materials to enhance carrier mobility.

A stress inducing layer modulates the piezoelectric effect in a HEMT drift region to shape the two dimensional electron gas profile.

Insulation layer pattern prevents silicon diffusion and meltback, enabling large area GaN substrate production.

A programmable RF switch transistor uses a composite gate dielectric stack to dynamically adjust its threshold voltage.

Shallower body regions in termination cells enable effective edge termination for trench gate FETs without extra process steps.

Surrounding lightly doped drain regions in a superjunction lateral power MOSFET reduce conduction losses while maintaining high breakdown voltage.

Internal detectors and wireless transmitters assess cleanliness without extracting gas, maintaining airtightness and enabling downsizing.

A method forms nitride films on substrates using alternating deposition and etching steps to control film thickness.

A temperature control device adjusts contact pressure between a heater and cooling body using a moving driving plate to manage thermal resistance.

A cluster tool enclosure integrates spin coating and ultraviolet curing chambers with a sealed transfer module.

Vacuum ultraviolet light selectively hardens one block copolymer and weakens another to enable precise etching.

A junction field effect transistor uses a back gate to balance electric fields and direct current flow along a neutral path.

A gas nozzle directs airflow to circulate residue away from electrical components during semiconductor manufacturing.

Sidewall spacers define contacts to double packing density while avoiding advanced lithography costs.

Graded phosphorus doping across multiple epitaxial layers improves breakdown voltage and reduces substrate current in NFET devices.

An elastic member moves a second case to seal the clearance, while a blocking plate prevents polluted clean room air from entering during lid opening.

Tiered Air-T gate electrodes eliminate dielectric gaps to prevent current collapse while reducing capacitance for higher gain.

Alternating elliptic laser beams form deep grooves and clear debris in thick wafers, resolving the trade-off between groove depth and debris accumulation.

A one-link conveyance arm rotates a substrate while specifying edge positions via sensors to calculate the center.

A photoresist composition uses specific acrylate monomers to form a stable layer on thin film transistor substrates.

A PMOS transistor fabrication method uses a fluorine-containing SiON intermediate layer to block hydrogen diffusion at the high-k dielectric interface.

Intermediate lift pin positioning manages vacuum pressure to prevent substrate damage during transfer.

Selective slanted plasma etching removes corner rounding defects, preserving critical dimension control during advanced node manufacturing.

Wavelength segmentation isolates process and metrology lasers while filters attenuate interference, ensuring precise measurements during thermal processing.

A sacrificial dielectric layer prevents seams, voids, or scratches on the interlayer dielectric layer during chemical-mechanical polishing.

Actinic radiation selectively removes a hydrophobic self-assembled monolayer from exposed wafer areas to prevent metal particle contamination and defectivity.

A bi-layer graphene switching device induces a bandgap via electric field and strain, achieving high on/off ratios without complex lithography.

Neck-free active pillars with spacers stabilize vertical gates, reducing bit line resistance and preventing pillar collapse during fabrication.

External heating member prevents cooling air temperature rise while circular pipes enable rapid susceptor cooling, reducing maintenance time.

A recess spacer etch method uses selective photoresist masking to form independent spacer widths across different transistor groups.

Switchable guards receive scattered liquids while low surface-tension fluids replace hydrophobic agents, preventing pattern collapse.

Asymmetric exhaust ports prevent direct gas flow paths, resolving the trade-off between evacuation efficiency and film thickness uniformity.

Thermal stress detachment reduces kerf loss and thickness variation in wafer manufacturing.

Segmented silicon germanium regions apply uniaxial compressive stress to enhance hole mobility while avoiding channel encroachment from boron doping.

A diced wafer inspection system locates unique features to assign die indices and associate dice with reference dice.