Semiconductor Devices TRIZ Cases

A silicon diffusion barrier in the PMOS gate stack blocks aluminum migration between work function layers, improving reliability.

Segmented electrode regions and offset insulating portions relax the electric field while lowering on-resistance and raising current density.

Inclined division sidewalls guide fine inkjet patterning to build high-resolution light control layers in thin, flexible displays.

A protection pattern and adjacent air gap cut word line coupling while preserving dense vertical channel transistor layout.

A horizontal WLCSP Schottky diode uses segmented p-type regions and a backside metal film to cut reverse current, forward voltage, and thermal resistance.

Segmented gate and connection-part layout suppresses parasitic bipolar switching while lowering on-resistance and raising current density.

A doped silicon gate layer helps HEMTs achieve uniform depletion and decouple parasitic capacitance for better high-frequency reliability.

A SiC substrate with epitaxial oxide transition and active layers improves blocking voltage and lowers ON-state resistance in high-power switches.

Selective ion irradiation creates non-overlapping lifetime control regions to cut RC-IGBT tail current and recovery loss without harming on-state behavior.

Layered substrate protrusions and localized voids improve light scattering, extraction efficiency, and emission reliability in light emitting structures.

A laminated SiN/SiON/SiO antireflection stack with an Al2O3 passivation layer boosts N-type solar cell light absorption and interface isolation.

Inserted p-doped AlxGa1-xN layers steer injected electrons away from the Schottky depletion region to reduce TDDB in GaN transistors.

A recessed channel, buried gate dielectric, and nonuniform isolation raise parasitic threshold voltage for stable high-voltage FDMOS operation.

Covalent bonding on a second insulating layer fixes light-emitting elements during drying, preventing displacement and pixel failure.

High-resistivity silicon and low surface recombination raise photovoltaic cell breakdown voltage near 1000 V, reducing bypass diode failures.

A resin substrate, reflective resin body, and varied electrode thickness reduce thermal warpage and help prevent solder and LED cracks.

Field-driven mobility modulation in a transistor drift region breaks transit-time limits, enabling switching and RF operation above transition frequency.

A circumferential reflector with metal mirror layers directs lateral light, cuts pixel crosstalk, and improves display brightness.

Stress-controlled V-shaped grooves and conformal quantum wells let one LED emit multiple wavelengths for higher display quality.

Crossed magnetic and electric fields drive cyclotron drift in a 2D electron gas to suppress scattering losses and enable low-resistance conduction above room temperature.

A trench electrode and insulating film reshape the IGBT junction electric field to suppress SEB and improve cosmic ray resistance.

Engaging protrusions lock the fluorescent encapsulant to the LED package, reducing detachment under heat and humidity and extending service life.

An InGaAsP absorption layer on an InGaAs buffer cuts dark current and improves 1400-1690 nm light detection accuracy.

Ionic capacitive coupling tunes graphene's Fermi level to deliver strong wideband, including infrared, light detection without wavelength-selective layers.

Ferroelectric layers at the top of buried word lines suppress GIDL, boost turn-on current, and improve refresh in dense memory arrays.

A boundary gate layout with periodic field plates and a source-side Schottky junction raises breakdown voltage while cutting recovery loss.

Varying grain size along a polycrystalline channel suppresses impurity diffusion and improves GIDL-based erase reliability in NAND select gates.

Oxidizing dummy gate footings and sidewalls forms dielectric spacers that improve gate isolation and cut parasitic capacitance in FinFET and GAA devices.

A Schottky junction in a vertical MOSFET cuts minority carrier injection, lowering reverse recovery charge and recovery loss.

A Ru or Rh contact layer paired with a UV-reflective DBR helps flip-chip UV LEDs maintain ohmic contact while improving light extraction.

Different vertical interface materials in a stacked NAND structure improve leakage current control and erase behavior for denser flash memory.

A thick, carefully doped drift layer keeps the electric field under 80% depletion, helping SiC power devices survive radiation at high voltage.

Graded doping across active, transition, and termination regions balances charge and suppresses edge electric field concentration.

Discrete MIM border structures reduce CMP dishing over semiconductor fins while conserving metal routing in dense device layouts.

Low-temperature trench deposition plus higher-temperature annealing cuts resistivity while preventing word-line wiggling or collapse.

Varying trench widths, depths, and tapered isolation layers improves gate electrode control and contact reliability in dense memory cells.

Selective etching releases GaN from intermediate layers to avoid grinding damage and deliver ultra-smooth transferred die surfaces.

Stacked emitters with metasurface adhesive layers separate colors into more visible-light channels, boosting data rate without RF interference.

Selective layer placement in non-electrode regions reduces parasitic absorption while maintaining carrier transmission and conversion efficiency.

Dual paraelectric insertion layers with different dielectric constants widen the memory window while stabilizing threshold voltage and reliability.

A shared gate and field plate metal with an airgap cuts gate-source capacitance and removes separate deposition, masking, and etching steps.

Source and drain regions formed along trench sidewalls expand current paths in a MISFET while limiting leakage through the channel region.

A source-connected field plate with limited gate overlap spreads drain-field stress, reducing collapse and dynamic on-resistance in HEMTs.

Partial anti-reflection films on textured grid-line areas increase contact area and bonding strength, lowering grid-line detachment risk.

A Ti or TiN interlayer between the Rh p-side electrode and protective films improves adhesion, sealing, and LED reliability.

Doped polysilicon on gate trench sidewalls shields peak electric fields at sharp corners, improving gate oxide reliability with simpler fabrication.

A back-surface redirection layer and front anti-reflection coating cut total internal reflection and boost LED photon extraction with fewer bounces.

A shared substrate and current-controlled light source shrink optical sensing hardware while enabling wavelength tuning for more accurate biometric detection.

A segmented semiconductor region and added crossing electrode suppress loss while preserving switching characteristics in power conversion.

Multiple guard trenches and an intermediate-voltage sub-region split surface voltage drop to prevent breakdown between high- and low-voltage regions.

A silicon dopant gradient in the DRAM lower electrode improves the dielectric interface to raise capacitance, refresh characteristics, and yield.

A buried hemispherical SPAD structure shrinks the guard ring while raising fill factor, photon detection probability, and noise control.

An optical filtering layer blocks interfering natural-light wavelengths so the active layer responds more precisely within the target detection range.

A low-doped n-type buffer separates high-doped p/n regions to suppress electric field peaks, raise breakdown voltage, and lower on-resistance.

PVD or PLD nucleation with graded GaN/AlGaN buffers cuts lattice mismatch and dislocations, improving GaN IC reliability on SiC and Si.

A shaped conductive layer between gate and drain improves electric field control in compact nitride semiconductor structures without reticles.

An inner lens depression traps air bubbles away from the optical axis, preserving light extraction in sealed LED packages.

Direct semiconductor-electrode contact raises infrared sensing efficiency beyond photodiode limits while staying compatible with glass and flexible processes.

Overlapping contact fingers, dielectric insulation, and mirror layers improve current spreading while cutting radiation absorption losses.

Orthogonal code multiplexing keeps photovoltaic image arrays at zero bias, cutting dark current and 1/f noise with simpler ROIC circuitry.

A graded main junction doping profile cuts current crowding in fast recovery diodes, lowering failure risk without added process steps.

A sidewall contact in the gate trench cuts gate-contact spacing while preserving insulation, enabling smaller semiconductor devices.

Low-k dielectric between adjacent FeRAM bottom electrodes enables sub-10 nm spacing while reducing disturb voltage risk and easing process tolerances.

Segmented cell, gate-line, and emitter-line regions improve surge current handling while lowering on-state resistance and bipolar degradation.

An amorphous buffer layer eases lattice mismatch between fin active regions and compound source/drain regions, boosting speed while limiting cracks.

Direct metal-semiconductor contact replaces the n-plus layer to boost light sensitivity, linearity, and LTPS process compatibility.

Offset via-hole spacing decouples OLED electrode connections from adjacent signal lines, reducing color mixing while preserving pixel density.

A T-shaped HKMG gate with a wrapped work function structure cuts gate resistance and simplifies sub-26 nm transistor fabrication.

A silicon nitride interlayer limits atom diffusion during high-k gate heat treatment, preserving HEMT electrical characteristics and drain current.

A curved recess and reflective stack reduce total internal reflection and improve current spreading for higher LED radiant flux.

A protruding multilayer power supply wire directly contacts the cathode-side electrode to cut IR drop and avoid extra drilling or masking steps.

Substrate step etching and merged metal gate formation cut contact resistance and extra lithography in non-volatile memory fabrication.

A peaked n-type doping profile in the electron blocking layer suppresses p-type impurity diffusion, improving nitride LED efficiency and life.

A dual-permittivity trench barrier layout suppresses GIDL by reshaping sidewall field coupling while preserving conductive trench fill.

A conformal dielectric around the gate capping layer cuts HEMT gate leakage, lowers on-resistance, and improves transconductance.

Simultaneous p-type doping of the cell and edge termination cuts lithography steps while preserving high breakdown voltage tolerance.

Alternating gate lengths enable edge and top contacts in 2D semiconductor channels, lowering contact resistance and improving current control.

A dual AlGaN and connected pGaN structure flattens electric fields to raise breakdown voltage while preserving low on-state resistance.

Shields over buried-grid gaps in SiC JBSDs suppress electric field peaks, cutting leakage while preserving voltage blocking and conduction.

A ≥2000°C dielectric hardmask enables self-aligned p-shield formation in SiC trench FETs, improving high-temperature reliability.

Single-reactor oxide deposition with N2 carrier gas cuts GaN/AlGaN HEMT interface charge and trap density while lowering process cost.

An epitaxial channel layer removes the amorphous interface, cutting voltage drop and trap sites to improve ferroelectric switching uniformity.

An asymmetrical dielectric film shifts away from hot-carrier zones to cut leakage current and dielectric damage in semiconductor structures.

Non-uniform dopant distribution and aluminum-tuned layers raise quantum efficiency and light output in miniaturized LEDs at low current density.

Alternating SiNx and AlGaN layers block substrate defects, enabling high-quality GaN epitaxy on thinner, lower-grade SiC wafers.

A plum blossom channel structure splits semiconductor, charge-trapping, and tunneling layers to raise 3D NAND cell density without denser holes or taller stacks.

Stacked field plates over dielectric layers cut gate-drain feedback capacitance and raise breakdown voltage in GaN HFETs.

A floating gate between the gate and drain redistributes the electric field to improve breakdown voltage and on-resistance without extra process steps.

Non-uniform double-trench spacing smooths gate-drain capacitance shifts during switching, cutting oscillation and switching loss.

Stacked semiconductor and non-semiconductor monolayers boost BJT carrier mobility while blocking dopant diffusion and scattering.

An auxiliary electrode around the conductive alignment layer cuts resistance loss and keeps GaN-on-amorphous-substrate brightness uniform.

Multiple carbon-containing spacers and selective dielectric layers help FinFETs achieve precise gate formation, lower capacitance, and better channel control.

Selective thick boron nitride or boron carbide dielectric capping lowers FinFET contact resistance without adding uniform process complexity.

A SiC substrate under a gallium oxide Schottky diode improves heat dissipation while preserving high breakdown voltage and low ON-resistance.

A JBS-ohmic drain combines PN, Schottky, and ohmic interfaces to raise reverse withstand voltage while cutting leakage and on-resistance.

A ferroelectric memory-controlled FET interrupts overcurrent fast and stays off until reset, improving circuit protection reliability.

A shallow trench isolation overlap cuts base resistance in lateral bipolar transistors while simplifying fabrication for high-speed operation.

A stepped gate layer and source insulator film suppress gate leakage while maintaining normal-off behavior and lower on-resistance.

Localized band-shaped modified lines on SiC wafer side surfaces enable stealth dicing while reducing electrical fluctuation and crack risk.