Semiconductor Devices TRIZ Cases

An HBT-integrated SCR uses shared vertical heterojunction regions to cut capacitance and RF degradation while preserving strong ESD protection.

Void impregnation in an inorganic covering layer boosts insulation, strength, and heat resistance in light-emitting element packaging.

Oxidizing a 2D semiconductor into a high-k layer avoids non-uniform ALD nucleation, improving gate interfaces and reducing leakage.

A segmented protrusion structure and SiN intermediate layer improve light extraction and crystal quality in semiconductor emitters.

A pressure channel vents the sealed air chamber in an optical package, preventing support layer deformation during high-temperature manufacturing.

Segmented trench-side conductive layers enable precise diode potential control without sacrificing compact optoelectronic layout.

Gradient doping in the bottom cell improves passivation and cuts recombination losses, while a TCO-free intermediate layer reduces parasitic absorption.

Segmented PN columns and an FS isolating layer let a thinner IGBT cut conduction and switching loss while maintaining over 700 V blocking.

Locally lower-AlN regions in AlGaN UV LEDs suppress growth-drift variation, stabilizing emission wavelength, efficiency, and forward bias.

An isolation dielectric plug between semiconductor fins enables larger source/drain regions while reducing resistance and parasitic capacitance.

Selective etching widens the memory hole near the stop layer, preventing film closure and preserving semiconductor pillar formation.

A two-layer inner spacer protects the source-drain region during GAA FET fabrication while maintaining gate insulation.

Gradual lattice matching across rectifying and transition layers cuts epitaxial stress and defects, lowering dark current without losing responsivity.

Layered AlGaN regions separate threshold control from carrier transport, improving mobility, lowering on-resistance, and stabilizing high threshold voltage.

Cyclic oxidation, etching, and spacer formation trim FET gate overhang to sub-lithographic size, cutting edge capacitance.

Segmented dummy lines with a dummy dielectric layer improve cell-region uniformity, electrical properties, and semiconductor yield.

Comb-shaped p- and n-side electrodes with 140 μm or less spacing improve current diffusion, boosting UVC LED output while lowering forward voltage.

Alternating back-side P- and N-type polarity regions with thinner N-type layers balance optical and electrical performance in solar cells.

Segmented stripe contacts in the active-edge region spread current during carrier extraction, improving semiconductor tolerance.

Selective laser heating through conductive layers activates ferroelectric memory cells while limiting damage to nearby structures.

Aperiodic dielectric reflective layers raise LED reflectivity and light extraction while reducing internal optical losses.

A planarizing AlGaN layer replaces photonic crystals to keep quantum wells flat while preserving electron injection and deep-UV spectral purity.

A cleaning step trims the spacer to form a void before epitaxial growth, preventing epitaxial surface damage during later contact formation.

Guard ring and STI placement shrink LDMOS area while preserving on-state breakdown voltage for high-voltage compatibility.

Combining same-layer light emitters with wavelength conversion improves front surface luminance and color reproduction without separate color sub-pixels.

An amorphous sidewall layer blocks dry-etch hydrogen implantation, preserving impurity activation and HEMT field-relaxation reliability.

Dual aluminum-containing layers around the electron blocking layer improve hole injection and ESD tolerance in a thinner p-side region.

Groove-based vertical heterojunctions form 2DEG or 2DHG to overcome nitride device aspect-ratio limits while improving conductivity and response speed.

An isolation layer beneath the bit line blocks leakage to the substrate in semiconductor pillar structures, improving VGAA reliability.

Extending the lead-frame reflection layer to at least 90% of sidewall height cuts light absorption and improves LED luminous efficiency.

A vertical side-channel DRAM cell uses a ground gate structure to reduce body effect and word line coupling without hurting restore time.

An asymmetric multi-integrated gate with Ohmic metal pillars releases switching impact energy while preserving low leakage and forward current in irradiated GaN HEMTs.

Alternating dielectric-metal absorber layers suppress reflected and transmitted stray light between micro LED pixels to improve contrast.

Continuous plating on stepped LED terminal sidewalls bridges the wiring interface and increases bond strength without a major process burden.

Different I- and U-shaped gate dielectric layers reduce wet-etch voids in core and I/O regions while preserving gate capacitance.

An arc-shaped mesa chamfer with defined curvature reduces tip effects, limits leakage, and improves forward ESD reliability in LEDs.

A segmented gate structure surrounds vertical channels to prevent bending or collapse while supporting higher transistor integration.

Aluminum-containing cap layers and tuned III-nitride barriers improve red LED efficiency while reducing blue shift and spectral width.

Micro-cell Geiger-mode APDs use flip-chip bonded InP/InGaAs layers to cut photon attenuation while preserving mechanical stability.

A low-doped trench-adjacent carrier storage region cuts IGBT saturation voltage while preserving short-circuit tolerance.

A gain layer and reflective filtering recycle and convert photons into reaction-layer wavelengths, boosting photocell responsivity.

A non-uniform super junction pillar profile suppresses switching oscillations while preserving low capacitance and fast power-device operation.

A dielectric and transparent conductive recombination layer improves carrier tunneling, lowers recombination loss, and raises tandem solar cell efficiency.

A layered AlGaN and insulating structure controls current flow to suppress leakage while maintaining stable operation and low off-resistance.

A stepped regrown barrier and self-aligned field plate improve electric field control and lower on-resistance in GaN HEMTs.

Alternating transparent conductive and metal layers improve tandem-cell recombination while limiting parasitic light absorption.

Edge-exposed epitaxy forms transistor doped regions at low thermal budget, cutting access resistance in 3D integration.

A silicon-SiC heterostructure integrates a photon emitter and silicon receiver on one die, easing miniaturization and CMOS-compatible packaging.

Alternating deep and shallow trench gates increase current density in compact semiconductor structures without enlarging device size.

By integrating a HEMT with a BJT on a common substrate, this case lowers knee voltage while boosting drain current and power handling.

Oxidized recess sidewalls preserve narrow contact width, improve metal filling, and cut source/drain-to-gate leakage.

Non-rectangular fin cut patterns are converted into rectangular layouts with dummy active regions to improve gate control and suppress short-channel effects.

A wide-bandgap intrinsic barrier shifts the depletion region out of the absorption layer to suppress generation-recombination dark current.

An inverted-trapezoid UV-reflective metal layer redirects TM-mode light in AlInGaN LEDs to reduce absorption and raise UV output.

A passivation and insulating layer structure blocks water vapor ingress around closely spaced LED electrodes, reducing leakage and corrosion.

Varying barrier-layer composition during epitaxy boosts 2DEG electron density and mobility, cutting on-resistance and transistor heat.

Non-plasma ALD or CVD ferroelectric deposition avoids channel defects and gate leakage, helping wide-channel transistors keep a strong on/off ratio.

A deposited 3C-SiC layer creates a clear 3C/4H boundary, enabling deeper trench gates with lower leakage and low contact resistance.

Controlling the silicon-nitrogen ratio in a semi-insulating film suppresses breakdown voltage variation, leakage current, and film cracking.

Offset III-V barrier layers with different aluminum content raise 2DEG near contacts, cutting resistance while preserving positive threshold voltage.

Conductive trench spacers protect etched PN junction contacts while preserving hole injection paths to improve light conversion efficiency.

A compressive stress member inside the field plate electrode applies tensile stress in the mesa region to lower FP-MOSFET on-resistance.

Combining deposited fine-grids with sintered main-grids cuts contact resistance, silver slurry use, and solar cell production cost.

Sidewall image transfer and selective epitaxy improve fin definition in logic and HV regions while reducing fin collapse and over-etching.

A field management structure creates an electric field peak to raise breakdown voltage and drive current in scalable 3D memory string drivers.

A sidewall contact in the source trench grounds the source region while preserving insulation, reducing parasitic resistance and improving reliability.

Etching back the conductive layer creates a wider upper gate electrode that lowers gate resistance while supporting further chip miniaturization.

A centered current concentration region and contact layout improve LED light symmetry, white balance, and viewing-angle luminance uniformity.

A staircase hard mask shapes the JFET current path to lower on-resistance while preserving breakdown voltage in a semiconductor structure.

Tapered fine-pattern geometry compensates for lower-region etch variation, preserving active pillar volume and electrical characteristics.

Ferroelectric or polarized layers create a shallow induced junction with minimal doping, cutting dead-layer losses in UV and X-ray detection.

Conformal dielectric spacers add annealing stress at FTJ edges to improve ferroelectric crystallization, cut leakage, and strengthen isolation.

A Si top layer over a SiC drift region improves breakdown voltage and on-resistance while shielding the gate oxide and reducing leakage.

A self-aligned split-gate SiC VDMOSFET process cuts channel resistance and parasitic capacitance while improving switching in high-voltage use.

A dielectric liner plus masking layer enables selective ILD etching for self-aligned contacts while protecting gate stacks and reducing leakage.

Alternating epitaxial layers with varying lattice mismatch shift strain and dislocations downward, enabling thinner GaN buffers with higher voltage support.

A P-well Schottky contact with floating N-well isolation cuts reverse leakage while interdigitated fingers raise forward current.

Dummy-area trench and layer patterning separates memory, high-voltage, and logic processing on one substrate to reduce interference.

TaN with TiN or WN barrier layers blocks metal diffusion during high-temperature processing, stabilizing the Schottky barrier and reducing current collapse.

Curved field plate and gate sidewalls reshape sharp recess corners in GaN HEMTs to suppress corona discharge and support higher sustainable voltage.

Dual gate electrodes control ferroelectric polarization to raise ON current and speed read/write operation in ferroelectric memory.

Segmented source/drain electrode protrusions enlarge 2DCG contact area to cut current crowding, heat concentration, and etching nonuniformity.

Asymmetric spacer lengths and dopant gradients shape the nitride layer to control 2DEG and depletion regions without extra lithography.

A current limiting layer with oxidizing and non-oxidizing regions confines current away from micro-LED sidewalls to improve luminous efficiency.

Selective tunnel oxide and polysilicon placement cuts contact-region recombination without blocking front-side light absorption in silicon solar cells.

Patterned buried-layer grooves interlock with the growth substrate to raise composite substrate strength and reduce cracking defects.

A symmetric back-electrode layout lets cut solar cell slices connect directly without 180° rotation, simplifying welding and improving assembly yield.

UV irradiation raises heterojunction cell surface energy above 40 mN/m, improving peel strength and adhesive film reliability after low-temperature curing.

Floating islands and doped pillars replace deep trench etching to raise breakdown voltage, cut capacitance, and shrink termination area.

A dual-density oxide bilayer enlarges base contact area in a BJT, cutting contact resistance and improving current and transit time.

A reflective region beside the connection electrode redirects lost light toward the emission surface, improving micro-LED efficiency in dense displays.

A split p-type oxide layer improves hole injection and conductivity modulation while preserving voltage blocking and lowering ON-state voltage.

A tuned ion-exchange stress profile helps thick chemically strengthened glass resist flying stones, drop-ball impact, and scratches.

A staircase word-line layout and anti-oxidation metal layers raise 3D memory density while preserving stack stability and reliability.

Ion-implanted isolation electrically separates micro-LED pixels without etching, preserving adhesion and reducing sidewall damage.

Reverse-graded buffer layers bridge InAs substrates and absorber layers to cut lattice-mismatch defects, lower dark current, and extend SWIR cutoff wavelength.

A groove-formed mesa and outer light attenuation portion suppress stray edge emission in monolithic micro LEDs, improving display image clarity.

Different trench dielectric materials isolate adjacent strained MOSFETs to cut leakage while preserving carrier-mobility gains.