Semiconductor Devices TRIZ Cases

InxAl1-xN/AlN heterostructure with p-InxAl1-xN doping enables enhancement mode operation, resolving lattice mismatch constraints to increase output current.

Selective cadmium inter-diffusion positions the heterojunction within the p+ zone, resolving unpredictable junction placement in infrared imagers.

Non-coplanar drain finger termination elevates electrode ends over a dielectric layer to reduce electric field concentration.

Collective substrate encapsulation eliminates individual casings, reducing device size and manufacturing complexity while maintaining protection.

A lateral double diffused metal oxide semiconductor device uses guard rings to create high impedance isolation.

Adjusting terminal trench depth to 0.9-2.0 times the second semiconductor region thickness relaxes electric fields and achieves high breakdown voltage.

A silicon carbide bipolar junction transistor uses a mesa intrinsic base to elevate the emitter.

Segmented body contact sub-regions with distinct doping concentrations split current paths to reduce voltage drops during high overcurrent turn-off events.

An aluminum layer topped by a platinum diffusion barrier in the electrode structure prevents gold ion migration and explosions while enhancing reflectivity.

A spacer protection pattern connects gate spacers to source drain regions in semiconductor devices.

Stacking first and second frame bodies increases height while maintaining thickness to secure the light emitting element.

Asymmetric trench gate structures in wide-bandgap devices reduce switching losses and leakage currents while expanding application versatility.

Segmented P-type layers in SiC JBS diodes disperse electric fields, preventing breakdown from field concentration at the RESURF boundary during surges.

Graded aluminum composition regions smooth energy barriers at semiconductor interfaces, reducing forward voltage and enhancing internal quantum efficiency.

A light emitting device structure uses a support layer and adhesion layer to enhance interfacial bonding between semiconductor and contact layers.

Nitride field effect transistors use polarization to depopulate electron channels, resolving leakage current issues while maintaining low ON resistance.

A recessed substrate secures an LED lens through direct material filling without adhesive.

Oxide semiconductor power MISFET eliminates drift regions to resolve high withstand voltage and low on-state resistance contradictions.

A vertical transistor uses two-dimensional material layers for source and drain regions to boost charge carrier mobility.

Varied emitter widths in a mesa portion improve the balance between saturation current and latch-up resistance.

A lateral n-p junction isolates the device channel from shallow trench isolation sidewalls to prevent radiation-induced leakage currents.

Three-dimensional nano-structures on LED substrates transform light incidence angles to enhance extraction intensity.

A segmented AlGaN donor layer with varying aluminum ratios controls the two-dimensional electron gas concentration in a horizontal switching device.

An inorganic barrier layer protects the quantum dot chip from moisture while enabling mass production of narrow-frame displays.

Multi-layer dielectric reflector provides broadband optical reflection and electrical insulation for white light emitting devices.

A cermet layer converts near-field evanescent waves into metallic plasma to extract trapped light energy.

Segmented fin contacts reduce high trench silicide resistance by extending vertically into the fin structure to maintain adequate contact area.

Optimized aluminum content and low impurity concentrations enable reliable ohmic contact while maintaining high carrier mobility.

Annealing a tunnel junction in micro LEDs drives hydrogen out of the p-GaN layer via side walls, reducing forward voltage and current crowding.

A segmented barrier layer structure using titanium nitride and tantalum nitride layers enables precise gate stack formation for nanometer-scale transistors.

Segmented epitaxial features with dielectric-filled hollows lower parasitic capacitance while preserving gate control.

A high voltage JFET structure uses a surface field electrode plate to shape the electric field distribution across the drift region.

Curved trench features couple termination field plates to active trenches, eliminating square corners that cause low breakdown voltage and leakage.

A silicon carbide semiconductor device uses a mesa structure with doped trenches and an overlying heterojunction to manage electrical current flow.

A composition-modulated AlGaN buffer layer creates a convex conduction band edge that suppresses electron injection and improves breakdown voltage.

Angled side surfaces in a semiconductor light emitting device redirect internal light toward the extraction surface for improved output.

A nitride semiconductor device uses a field plate with minimized insulation film interfaces to reduce electron trapping and current collapse.

Co-doped SiC epitaxial layers enhance carrier mobility by forming stable impurity pairs that reduce crystal strain and lower sheet resistance.

Atomic layer deposition coats silver electrodes with uniform insulating layers, preventing migration and discoloration that absorb light and reduce output.

A device substrate uses overlapping side wires to connect semiconductor layers while preserving clear emission surfaces.

N-type polysilicon gate and field plate electrodes mitigate negative bias temperature instability in p-channel power MOSFETs.

Vertical voids in the buffer layer scatter trapped light and mitigate residual stress from lattice mismatch, improving extraction efficiency.

An InxGa1-xN strain relief layer with graded indium content releases epitaxial stress to prevent crystal defects while maintaining a simple device structure.

A self-aligned process uses a patterned p-metal layer as an etch mask to define semiconductor regions without separate alignment steps.

Laser working and post-laser etching treatment before electrode formation in nitride semiconductor light emitting devices.

A nitride semiconductor light emitting device uses an asymmetric superlattice layer to improve hole injection efficiency.

An indentation in the self-aligned spacer increases the gap between doped regions and the gate, reducing gate-induced drain current leakage.

A nitride semiconductor device reduces gate capacitance by positioning a p-type layer inside a recess separated from side surfaces.