Semiconductor Devices TRIZ Cases

Controlling wafer oxygen concentration against drift-layer doping suppresses thermal donors and stabilizes withstand voltage and switching.

Inner dielectric spacers self-align gate metal on a p-GaN gate structure, avoiding shorts and complex etch-back while improving breakdown and capacitance.

A spaced encapsulant resin and tuned silicone composition help LED packages resist moisture, protect reflectivity, and limit discoloration.

An ITO recombination layer with tuned SnO2-In2O3 ratio raises horizontal resistance, limiting shunt paths and optical loss in tandem solar cells.

Alternating well and barrier thicknesses preserve active-layer crystallinity around a tunnel junction, improving luminous efficiency.

Grooves below the heterojunction enlarge doped source-drain contact area, cutting GaN HEMT on-resistance and improving power and frequency performance.

An embedded III-V layer and P-type GaN gate raise HEMT breakdown voltage and lower on-state resistance without increasing total thickness.

Dummy word lines and matched gap widths reduce etch loading effects, improving contour uniformity and leakage control in memory arrays.

Epitaxial sidewall growth in a recessed photodetector structure cuts lattice mismatch, oxidation, defects, and dark current.

Deep trench shield connections redirect displacement and avalanche currents to protect gate oxide while preserving tight pitch and simpler fabrication.

A rectangular frame or net field plate disperses electric field in LDMOS structures to raise breakdown voltage, cut on-resistance, and improve ESD resistance.

Conductive through holes and a layered current-spreading structure even out LED current flow to boost brightness and reduce shading.

By suppressing 400-455 nm desaturating light with filtering and wavelength conversion, this blue LED case improves color vividness.

V-shaped grooves and multi-bandgap sub-active layers improve light extraction, dispersion, and stable emission in semiconductor light sources.

A Ge-on-Si SPAD array separates infrared absorption from avalanche gain to cut DCR and afterpulsing while enabling on-chip CMOS readout.

Discontinuous channel regions let FinFET gate-end and drain-end structures balance low on-state resistance with high breakdown voltage.

An aluminum-doped transparent spreading layer boosts LED ESD resistance while limiting voltage rise, light attenuation, and leakage.

Barrier layers seal the quantum dot conversion region against oxygen and moisture, preserving luminance in light-emitting structures.

An intermediate layer depolarizes the barrier layer to keep a HEMT normally off while preserving strong gate control over the channel.

Patterned graphene channels with perovskite and luminescent layers convert heat and radiation into low-power current with minimal bias.

A drain-side selective cap layer in GaN HEMTs lowers peak electric field and gate-drain capacitance to improve breakdown and RF linearity.

Asymmetric poly-silicon protrusions improve light trapping and surface passivation to cut optical loss and carrier recombination in solar cells.

Textured substrate regions and passivation-filled holes improve light trapping and surface passivation, raising solar cell conversion efficiency.

Concave-convex module glass and low-reflectance solar cells cut glare, improve light trapping, and create a more uniform black appearance.

Alternating electrode and non-electrode regions improve light absorption and carrier collection while reducing recombination in tandem solar cells.

A segmented backside doping layout adds a third doped part to block leakage, absorb impurities, and improve IBC solar cell efficiency.

Edge holes filled with passivation material cut surface defects and carrier recombination while protecting the doped layer during electrode formation.

A low-concentration edge termination layer spreads corner electric fields, raising breakdown voltage while shortening the termination width.

Epitaxial semiconductor nubs and contact metal enlarge source/drain contact area, cutting external resistance without deep-etch complexity.

A cured insulation stack enables uniform STI etching across different channel densities, keeping exposed channels and gate heights consistent.

Selective epitaxial growth replaces a polycrystalline extrinsic base with monocrystalline material to lower HBT base resistance and improve frequency performance.

Spaced doped regions and a third doped part cut leakage and electrode interference in IBC solar cells, improving conversion efficiency and yield.

Passivation-filled edge holes cut recombination and relieve electrode stress, improving solar cell efficiency and yield.

Alternating electrode and non-electrode regions balance light absorption, passivation, and carrier collection to raise solar cell efficiency.

An asymmetric wavelength converter varies height across the LED die to reduce edge color shift and CoS variation while preserving light flux.

A rear diffraction structure recycles missed photons into the avalanche region, helping small image-sensor pixels maintain detection efficiency.

A trench-isolated monolithic blocking diode protects triple-junction PV cells from reverse bias under shadowing and preserves power delivery.

A two-step etch creates a dielectric undercut at the drain-side gate edge to lower peak electric field and raise LDMOS breakdown voltage.

Metal layers added above a polysilicon gate cut wiring resistance and suppress ion-driven threshold shift for faster, stable SiC switching.

Dispersed openings and non-overlapping column regions balance low on-resistance with high breakdown voltage through uniform depletion.

Localized substrate texturing and hole-filled passivation improve light trapping, reduce recombination, and raise solar cell current and voltage.

High-doping path areas redirect current in flip-chip LEDs to cut peak current density and improve heat dissipation, ESD resistance, and brightness.

A planar pad wafer structure enables direct current and transient testing of sub-100 µm micro LEDs without disconnection or transfer bias.

A capacitive upper electrode controls a floating gate in a vertical trench SiC JFET, enabling higher gate voltage tolerance, lower resistance, and better mobility.

Vacuum epitaxial growth and a p-type semiconductor cap protect photo-sensing interfaces from oxidation, defects, and dark current.

A floating top gate controlled through capacitive coupling helps a vertical JFET withstand higher voltage while avoiding surface-channel mobility loss.

A seeded metal contact with particle paste and low-temperature plating cuts recombination and parasitic absorption in passivated silicon solar cells.

Graphene contact layers and diffusion barriers lower resistance and protect 2D TMD interfaces in sub-7 nm integrated circuits.

Transition-layer doping and thickness tuning suppress tail current in a super junction IGBT, cutting turn-off energy loss for high-frequency use.

A three-layer trench gate insulator uses high-κ and thicker bottom insulation to ease electric field concentration and prevent gate breakdown.

Rounded trench corners and stacked dielectric layers reduce point discharge and improve shallow trench isolation reliability.

Parallel vias in an elongated mesa improve current spreading and light output in deep UV LEDs while lowering forward voltage.

Patterned vertical pillar arrays isolate micro pixels to cut leakage current, ease charge crowding, and improve emission uniformity.

A nitride member overlapping a conductive region locally lowers carrier concentration to reshape the electric field and raise breakdown voltage.

A buried gate contact inside the trench cuts masking-driven cell pitch, raising wide-bandgap cell density, power density, and lowering on-resistance.

A conductive plate below the ILD restores the RESURF field in strained LDMOSFETs, raising breakdown voltage while lowering on-resistance.

A single-mask self-aligned gate and field plate layout shrinks spacing without shorts, cutting gate-to-drain capacitance in GaN HFETs.

N-type and P-type shield zones in a SiC trench MOSFET cut gate oxide field stress while lowering on-resistance, Qgd, and switching loss.

A low-index dielectric layer and conductive epitaxial paths improve LED current spreading, light extraction, brightness, and forward voltage.

A ferroelectric crystallization layer plus a crystallization barrier cuts sub-threshold swing while blocking substrate-side leakage.

An Nb dipole region in a high-κ MOSFET gate stack raises threshold voltage by over 100 mV with less than ~0.2 Å EOT penalty.

Wave-shaped termination trenches and spaced shielded gate contacts curb early avalanche, leakage, and breakdown instability in SGT MOSFETs.

Overlapping terminal electrodes relax spacing constraints, expand semiconductor active regions, and preserve electrical connectivity without larger chips.

A layered AlGaN and Mg-doped p-type structure stabilizes threshold voltage for normally-off operation while limiting magnesium diffusion.

An insulating metal oxide transition layer strengthens metal-to-insulator adhesion in LEDs, reducing delamination risk and improving reliability.

A transparent buffer layer with multilayer microlenses reduces total reflection and avoids high-temperature lens deformation in LEDs.

A segmented source-drain FinFET uses bottom-channel tunneling and a reverse-biased P-I-N region to suppress sub-Fin leakage and steepen switching.

Light-focusing bodies with refractive-index contrast boost flux through under-screen sensing holes, improving sensitivity and resisting ambient light.

A dual-gate planar JFET uses an offset upper gate and depletion limiter region to cut gate resistance without losing blocking capability.

Floating trenches between peripheral gate trenches and the protective trench reduce corner electric fields and stabilize drain-source breakdown voltage.

A recessed source-drain contact extends deep into 3D FET regions to cut parasitic series resistance and improve drive current distribution.

A butted body ties the SOI transistor body to an active region, suppressing floating body effects and improving subthreshold swing and breakdown voltage.

A high-density impurity region under the gate trench keeps the deeper column region separated, preserving current paths and lowering on-resistance.

Lateral gate extensions spread the drift-region electric field, reducing surface crowding and raising LDMOS breakdown voltage.

An integrated UHV polysilicon resistor above the drift region improves MOSFET voltage sensing while reducing mismatch, RC delay, and ESD risk.

Separating single-polarity terminals onto opposite package sides increases probe contact area, preventing test shorts and contact failures.

An inclined cover body and reflector layer redirect and convert chip radiation to improve light homogeneity and reduce absorption losses.

Stacked InGaAs/AlGaInAs grade layers smooth the base-collector band transition, cut electron blocking, and keep HBT grading thin.

Roughened DBR interfaces with refractive-index contrast cut total reflection, improve LED light output, and reduce backside chipping.

A segmented buried layer lets the deep well contact the buried region, sustaining high breakdown voltage in a compact semiconductor layout.

Transparent barrier and protective layers isolate a quantum dot film from LED heat and air, slowing degradation and extending service life.

Wider diffusion regions around guard rings let the depletion layer spread farther, raising terminal breakdown voltage with a common mask process.

Segmented HEMT contacts use body and protruding portions to reach the 2DEG layer, cutting Rc, Rdson, power loss, and delay.

A 3D nano-column transducer boosts laser absorption and charge collection to improve terahertz conversion and picosecond pulse operation.

Deep and surface guard rings spread electric fields in the drift region to suppress hot carriers and improve semiconductor withstand voltage.

Multiple quantum well regions in a V-pit LED chip generate different peak wavelengths directly, avoiding phosphors and simplifying white-light fabrication.

Rounded arc-shaped openings suppress abnormal regrowth and voids in nitride semiconductors, cutting leakage current and raising breakdown voltage.

Integrated by-pass diodes inside a thin-film solar cell module improve shading protection while preserving active area and reducing module complexity.

A staged chemical lift-off process uses bath cleaning and spray separation to detach GaN LED thin films without heat damage or gallium droplets.

Offset p-type contact regions along SiC trench sidewalls suppress a-plane defects, lowering on-resistance and improving breakdown voltage.

A segmented floating electrode and insulation structure tune interface area and capacitance ratio to improve 3D ferroelectric memory endurance.

A source-side field plate is removed so gate-source spacing can be tuned for higher current density, lower capacitance, and better RF gain.

Reinforcing fillers in a light transmissive resin reduce thermal expansion mismatch, delaying cracks and preserving LED package reliability.

Stacked conversion layers and a curved reflector improve LED color uniformity over angle while avoiding the brightness loss of diffusers.

Varying conductive widths and insulation thicknesses in buried field plates improves breakdown and pinch-off voltage while preserving Qgd.

A two-layer silicone interface blocks corrosive gases such as H2S, protecting silver surfaces and preserving light output and color stability.

Inactive blocks between the gate and ohmic contacts raise gate-source and gate-drain resistance to cut leakage and improve HEMT ESD robustness.

Alternating semiconductor monolayers with O18-enriched oxygen layers boost charge carrier mobility by reducing effective mass and scattering.

A recessed spacer around a buried conductive layer reshapes the electric field to suppress gate-induced drain leakage and improve device reliability.

A stacked intermediate layer with controlled carbon concentration and dislocation density cuts stacking faults, gate leakage, and yield loss.

A layered collector and buffer structure tunes impurity profiles to balance ON voltage and switching loss without carrier lifetime control.

Vertical stacked layers and widened gate overlaps keep channel width in thin semiconductor layers while reducing field enhancement and coupling.

Vertical stacking with trench isolation raises non-volatile memory density while limiting cross-talk and footprint growth.

Oxide layers with controlled oxygen density form electric dipoles that raise 2DEG near the source and suppress starvation in nitride HEMTs.

A recessed gate structure in a nitride vertical transistor eases field concentration to cut off-state leakage and raise breakdown voltage.

A polarity inverting layer enables N-polar III-nitride epitaxy on standard Si-face SiC, avoiding scarce C-face substrates for RF power use.

Electric-field deposition forms quantum dot layers in dam-defined grooves, improving patterning precision and efficiency for high-resolution displays.

A wider gate middle section enables reliable contact formation over active regions while reducing shorting risk and improving heat conduction.

Multiple guard rings inject holes between gate and drain to capture trapped electrons, suppress current collapse, and improve breakdown reliability.

A double-diffusion multiplication region with guard ring isolation lowers SPAD breakdown voltage, dark counts, and crosstalk.

A segmented compound semiconductor cap layer creates lateral depletion to stabilize pinch-off and threshold voltage without gate recess etching.

An insulating layer protects the growth base during patterning, reducing etch defects while improving emission efficiency and reliability.

Varying field plate thickness and width in a GaN power device improves breakdown voltage while limiting gate-drain capacitance.

A preformed quantum dot film bonded by a transparent adhesive layer improves LED color uniformity, humidity stability, and package thickness control.

Different nanosheet counts and wider gate electrodes by region improve current control and suppress short-channel effects in scaled semiconductors.

GaN blocks inserted between AlGaN and InAlGaN layers raise electron mobility, suppress kink effects, and keep gate leakage low.

A Ga-rich second spacer protects the AlInN barrier during thermal processing, cutting leakage and preserving HEMT reliability.

Embedded poly-crystal or amorphous reinforcements help silicon GaN substrates resist cooling stress, limit dislocations, and reduce fragmentation.

A high-k gate dielectric and inner spacer around stacked channels improve gate control and reduce leakage in scaled semiconductor structures.

By tuning visible and non-visible phosphor amounts in LED encapsulants, manufacturers can cut bin counts while holding brightness and color targets.

An AlGaN strain relaxation layer with tapered protrusions suppresses dislocations in InGaN emitters, improving long-wavelength light efficiency.

A lattice-mismatched p-type InGaAs window layer cuts mid-IR light absorption while preserving carrier supply for higher output power.

Strip-trench polarization regions with varied barrier layers mutually compensate transconductance, improving HEMT linearity and frequency response.

A laterally varied channel doping profile creates a parallel unipolar path that cuts trench MOSFET switching losses and crystal defects.

A top-and-buried gate JFET structure fits BiCMOS flow without extra masks, cutting on-resistance and excessive off-voltage.

A gate-coupled conductive layer with high-resistance isolation lowers HEMT electric field strength and raises breakdown voltage without added field-plate complexity.

Vertical word lines and discrete memory elements enable faster 3D NOR access while self-aligned isolation reduces program disturb and supports scaling.

An inverted trapezoidal p-GaN gate layer lengthens the leakage path and lowers gate-edge electric field to improve breakdown voltage.

A triple work function word line lowers GIDL and leakage current in 3D memory cells while preserving threshold voltage and density.

Apertured gate and doped field regions shorten photoelectron travel, cutting trigger time and improving light detection sensitivity.

A hybrid MOSFET-driven wide-base BJT uses buried and floating collectors to raise breakdown voltage while limiting snap-back and leakage.

Placing the breakdown junction deeper in the substrate reduces stress- and interface-driven noise, helping reverse bias voltage stay stable over time.

Auxiliary trench gates added in the mesa create extra channel paths, lowering trench MOSFET channel resistance without changing threshold or breakdown voltage.

Using vertical charge trap layers and a TFET structure, this memory stores data without capacitors to improve integration and erase speed.

Lead protrusions and a protecting member seal resin gaps in LED packages, blocking moisture ingress and improving reliability in humid use.

A high-mobility carrier passage region improves hole extraction during turn-off while preserving low on-voltage and breakdown capability.

Accurate anti-reflection particle placement within each sub-pixel prevents light scattering, color mixing, and star dots in display panels.

Through-hole reflector layout preserves mirror area while keeping ohmic contact for current spreading, improving LED brightness at lower voltage.

Rear trench selective epitaxy enables vertical GaN current flow on silicon while lowering stress, leakage, on-resistance, and cost.

A split-doped second semiconductor layer cuts wafer warping and bonding failure while preserving ohmic contact and lateral current spreading.

Varying hole depths in the substrate improve lateral buffer epitaxy and suppress total internal reflection to boost LED light extraction.

A carburized silicon substrate forms a thin SiC template that lowers GaN defect density while supporting compact 3D IC integration.

Controlled guard ring placement and recombination centers reduce current density, improve breakdown strength, and cut reverse recovery loss.

A dual-oxide ferroelectric layer with a thicker hafnium-based film boosts negative capacitance, lowering oxide thickness and leakage in smaller electronics.

Recessed nano-array contacts increase electrode-semiconductor area and enable conductive diffusion to lower ohmic resistance in nitride structures.

Inorganic perovskite quantum wells paired with epitaxial III-V or III-N layers improve internal quantum efficiency while resisting oxygen-driven instability.

Backside trench epitaxy forms VFET bottom source/drain regions under the channel fin, simplifying junction fabrication while improving density and reliability.

Selective deep trench termination cells raise breakdown voltage while limiting substrate injection, latch-up, and termination area.

Separated charge storage layers and insulating barriers reduce vertical charge loss while preserving transistor coupling in dense non-volatile memory.

A buried deep p layer in gallium oxide relaxes electric fields near the gate while preserving high breakdown strength for power devices.

A pigment- or dye-colored covering matches the phosphor layer, hiding white reflector regions while preserving strong on/off visual contrast.

Selective etching and refill of stacked tiers improve electrical coupling to channel strings while preserving isolation between NAND memory blocks.

Varying connection-region spacing between outer and central trench areas cuts switching loss and temperature rise while keeping on-resistance low.

A dual insulation stack and high-k embedded film protect the GaN HEMT gate region from dry-etch damage while easing electric field concentration.

Additional gate trenches under the gate pad raise input capacitance, improving small-die ESD ruggedness without extra ESD diodes.

Protrusion patterns and end-surface roughness help inorganic LEDs achieve more uniform pixel emission with better durability and efficiency.

A tunnel-barrier monolithic LED replaces phosphors with dual color regions to keep color coordinates stable across changing current densities.

Mg-ball doping and layered p-type regions improve hole injection, enabling stable blue and green LED emission without phosphors.

A silicon oxide and silicon nitride insulating stack blocks moisture from polycrystalline field plates while limiting film stress and process complexity.

By curving and offsetting the drain layer against the buried layer, this RESURF MOSFET eases corner field concentration while preserving low on-resistance.

A conductive oxide work function layer on silicon shifts contact behavior and cuts FinFET contact resistance while reducing cobalt voids.

An intermediate layer reduces contact resistivity in SiC devices, stabilizing potential and enhancing avalanche resistance.