Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Pulsed laser creates modified regions along division lines to prevent die shift during optical device wafer separation.

High temperature oxidation reduces interface defect density to improve inversion layer mobility in silicon carbide devices.

Multilayer resin sheets lower temperature variations and prevent detachment between the electrostatic chuck and cooling plate.

Removing joint cables via floating electrodes eliminates rotational limits and cable fatigue in semiconductor transfer arms.

Ultrathin anisotropic films with periodic carrier mobility produce continuous-wave terahertz radiation at room temperature, eliminating bulky cryogenic systems.

Segmented arms synchronize parallel processing times and reduce transportation steps across multiple blocks.

Orthogonal metal film removal prevents scattering objects and protects underlying semiconductor layers during laser dicing.

CMP planarization removes excess metal after silicide formation, preventing short circuits without selective etching.

A pyrometry filter uses a reflective window coating to block heating source radiation.

A source side field plate extends over the source region to reduce electric field intensity near the gate electrode corner.

Plasma pre-treatment stabilizes the Fermi level and reduces barrier height variations during Schottky contact formation.

Different dopants on top and sidewalls ensure uniform oxide thickness, reducing leakage current in FinFET devices.

Touch-up chemical mechanical polishing reduces aluminum mirror surface roughness below 5 Angstroms, resolving defects that lower luminance in LCOS devices.

Bromine-based microwave plasma etching creates smooth GaN recesses while eliminating chlorine impurities that degrade electrical characteristics.

A nitride semiconductor device uses a T-shaped gate electrode and an insulating layer with a steeply rising sidewall to ensure effective contact.

Annealing a magnesium-containing layer on a p-type group-III nitride semiconductor substrate at 1300°C or higher to form a p+-type region.

A diamond semiconductor device uses mixed electrode contacts to enable high current density flow.

A high voltage transistor uses a vertically stacked drain region with varying doping concentrations to distribute electric fields and reduce hot carrier injection.

A laser treatment rectifier device generates a stable local gas atmosphere through separated supply and exhaust units.

Dielectric mask layers prevent silicide formation at drain interfaces, reducing leakage current and enhancing device reliability.

A substrate processing mold and nozzle system injects thermosetting resist to form a protective ring around the substrate edge.

A remote plasma reduces native oxide on copper interconnects before cobalt capping deposition.

Segmented hard masks with distinct etch selectivities define precise patterns while protecting low-k dielectrics from ashing damage.

Island-shaped P-type silicon regions reduce electric field concentration, enhancing withstand voltage and switching characteristics.

Thicker insulation at the recess side wall lowers electric field intensity, decreasing gate-induced drain leakage current.

Remote plasma CVD deposits disilane-derived films that anneal into dense silicon oxide, preventing voids in high aspect ratio trenches.

A nitride semiconductor light emitting device uses a multi-layer barrier structure to confine carriers and enhance crystalline quality.

Tapered source and drain contacts expand the base area to lower electrical resistance while maintaining a small top footprint for high transistor density.

Isopropanol vapor drying with controlled vacuum pressure removes moisture from high aspect ratio structures while preventing adhesion defects.

A second hard mask forms contact holes on a first hard mask.

A semiconductor gate structure incorporates sequentially stacked high-k dielectric films and metal-containing layers with varying silicon concentrations.

P-type doped functional layers deplete the two-dimensional electron gas, preventing formation without gate voltage and ensuring normally-off operation.

Segmented silicon carbide protective layers on substrate holding member protrusions reduce particle generation by preventing stress-induced peeling-off.

A bidirectional protection component uses a trench-insulated structure to achieve symmetrical voltage behavior.

A doped crystalline semiconductor layer reduces contact resistivity at the metal-semiconductor interface in multigate devices.

A cold stripper uses active cooling passages to maintain controlled temperature and pressure within the hollow cavity of a high-energy ion implanter system.

Metallic foil heat sinks minimize micro-crack generation and wafer warpage caused by thermal expansion coefficient differences in sapphire substrates.

An etching solution forms a cap layer in the metal gate structure to tune threshold voltage, avoiding costly gap fill metal selection.

PECVD oxygen-containing ceramic hard masks deliver high etch selectivity and low stress, eliminating buckling and enabling wet-etch removal without CMP.

A protective film covers fin-side surfaces during resist cleaning to prevent boron loss and maintain high impurity concentration.

Selective oxide thickening over the base region enables self-aligned emitter removal in BiCMOS devices, eliminating photomask alignment errors.

A semiconductor structure uses a convex body well region to prevent leakage current in CMOS devices.

Segmented noncontact support reduces effective moving mass, resolving positioning accuracy issues with large substrates.

A sacrificial aluminum phosphate layer enables epitaxial lift-off to form high-quality germanium-on-insulator structures without hydrogen implantation damage.

A semi-vertical gallium nitride diode structure directs electric currents vertically to increase current density.

Beta-diketone gas removes indium oxide from InGaAs layers at low temperatures, preventing device damage and reducing interface state density.

A composite dielectric stack with a high-k lower layer and Group III upper layer controls threshold voltage while preventing PBTI degradation.

Protective layers shield SiGe channels in Fin-PET structures from oxidation, maintaining strain and carrier mobility without increasing process complexity.