Semiconductor Devices TRIZ Cases

Mask-layer openings confine epitaxial growth, cut substrate contact, ease LED substrate removal, and reflect light back for higher emission efficiency.

A TiN barrier grown by domain matching epitaxy blocks SiO formation and supports ferroelectric transistor switching with lower leakage and power dissipation.

A doped GaN hole injector forms a shielding hole layer that suppresses back gating and RDSON rise in monolithically integrated high- and low-side GaN FETs.

A programmable impurity-electrode structure tunes electrical characteristics to preserve semiconductor quality, yield, and reliability during scaling.

Segmented blocking layers in nanosheet FET source/drain regions suppress facet formation and lattice mismatch defects for more reliable scaling.

Openings in the gate connection area cut gate-drain capacitance, improving semiconductor switching speed while preserving connection reliability.

A vertical channel transistor overlaps two word lines to shrink DRAM cell spacing while limiting interference and preserving data retention.

Graded shield regions between the well and JFET regions curb drain-source leakage in shallow-well semiconductor structures, lowering power consumption.

A silicon oxynitride interface in the SONOS gate stack suppresses electron leakage at sub-50 nm, improving transistor stability and erase count.

A programmable impurity-insulator-electrode structure tunes electrical characteristics to preserve reliability as semiconductor dimensions shrink.

Varying RC-IGBT electrode thickness confines light ion implantation to the diode area, reducing alignment error and protecting IGBT carrier lifetime.

Different gate sections with matched temperature coefficients keep power semiconductor gate resistance variation below 6% per 100°C.

Segmented n-type and p-type layers with a control electrode cut hole ejection resistance, boosting switching speed and surge current tolerance.

A low-doped epitaxial layer under GAA source/drain regions limits replacement-gate damage and blocks leakage paths from uneven inner spacers.

A parallel three-electrode storage capacitor preserves frame-level signal charge in narrow OLED subpixels, improving low-gray stability.

A five-terminal LED layout uses shared contacts and blocking layers to enable low-voltage synchronous driving with smaller pixel pitch.

A composite reflector in LED n-vias redirects light away from metal absorption, boosting brightness and removing dark regions.

A III-V heterojunction resistor uses a 2D electron gas and carrier depletion to deliver tunable resistance in less area than polysilicon.

A split Schottky-Ohmic source forms a complete channel, raising MOSFET on-state current while preserving normally-off operation.

A multi-layer T-shaped MOSFET gate cuts gate resistance and parasitic capacitance to improve fMAX and noise figure in RF circuits.

A segmented well and doped-region layout suppresses reverse leakage, raises breakdown voltage, and maintains strong Schottky diode on-state current.

A thicker bottom gate and silicon trench layer improve voltage blocking and lower on-state resistance in compact vertical JFETs.

Nanoscale micropores in a 1.5-3.5 nm passivation oxide create conduction paths while preserving TOPCon surface passivation and lowering series resistance.

A vertically stacked storage capacitor and tapered electrode free pixel area, reflect light inward, and prevent color mixing.

A silicon nitride buffer layer in the GIP area blocks hydrogen diffusion into oxide TFTs, improving display reliability and yield.

Varying capping layer thickness and refractive index in an optical area improves under-display light reception without shrinking display area.

A vertical fin drain structure shrinks LDMOS area while preserving breakdown voltage and output power for high-frequency wireless use.

Oblique trimming of FET gate spacers creates a funnel-like trench opening that improves metal gate deposition and reduces gap-fill defects.

Different etch-rate sacrificial layers form self-aligned inner spacers that protect nano-FET channels and improve yield.

Angled internal cavities in LED light-extraction films redirect light off center, improving extraction efficiency and wider emission angles.

Under-gate mesas flatten the gate pad region in trench semiconductor structures, reducing resist streaking and on-resistance.

Thermal silicon dioxide on a phosphorus-doped silicon substrate prevents capacitor dielectric delamination during dicing while keeping fabrication simple.

A silicon oxynitride STI liner with controlled nitrogen protects fins during anneal while keeping etch rates aligned with the oxide fill.

A trench separator and tailored semiconductor regions confine avalanche gain at low voltage while limiting crosstalk between adjacent pixels.

Laterally integrated access transistors shorten channel paths in 3D memory arrays, cutting latency while preserving high cell density.

Low-Z circuit board materials and clean sensitive sections suppress stray X-ray fluorescence, improving detection accuracy in material analysis.

Using XFeO3 or XMnO3 gate dielectrics, this case shows how FEFETs cut threshold voltage and support thinner films on GaN or AlN.

Vertical fin and pillar channels raise FDSOI current drive without enlarging footprint, while improving short-channel control and leakage.

A Schottky or hetero-contact on the drift region cuts reverse-operation forward voltage and conduction losses in a vertical III-V FET.

Tailored epitaxial lightly doped regions in recessed channels curb DIBL and dopant fluctuation, improving on/off ratio in scaled semiconductors.

A self-aligned split-gate source contact in SiC cuts trench overlay errors, lowering mask cost while improving switching and reliability.

Segmented III-nitride capping with contact gaps redistributes surface charge in HEMTs, reducing RF distortion and drain-current drop.

A monolithic FeFET-FeCAP crossbar stores weights and accumulates gradients in memory, easing neural network training and fine-tuning.

A split-gate SiC trench MOSFET integrates a Schottky region to cut forward voltage drop, lower capacitance, and improve switching.

A U-shaped work function layer with a raised filling layer cuts gate resistance and improves recessed semiconductor gate reliability.

Second spacers thicken thin upper gate spacers to prevent gate-to-source/drain shorting during contact plug formation.

Spacer-defined SOI transistor channels avoid STI-induced hump effect and parasitic devices while improving channel control and breakdown voltage.

Perpendicular shield oxide-filled trenches connect MOSFET edge strips to increase active area, boost current capacity, and cut mask count.

A single lithography-defined metal interconnect links gate and source/drain regions to cut misalignment, process complexity, and transistor area.

A two-layer dielectric stack spaces the LDMOS field plate from the substrate to reduce under-etching and silicide blocking while preserving performance.

Anodized sidewall and top oxide dielectrics on an aluminum channel cut display process steps while enabling high capacitance and low TFT threshold voltage.

Front-side and back-side S/D contacts enlarge via contact area, cutting resistance and easing alignment sensitivity in scaled IC layouts.

Parallel bar-shaped heterojunctions raise 2DEG concentration and mobility, cutting reverse leakage and improving Schottky diode performance.

Alternating P- and N-type doped sections enlarge active junction area and suppress carrier recombination in back-contact solar cells.

A thicker drain-side gate oxide with Resurf oxide lowers on-resistance while preserving on-mode current and tighter source-to-drain pitch.

A graded carbon-doped buffer with an Al insertion layer raises GaN HEMT breakdown voltage while limiting current collapse and leakage.

Smaller insulator columns in the bridge region cut word-line resistance, improving voltage control, speed, and 3D memory reliability.

A stepped two-layer metal oxide channel raises carrier mobility while reducing hot carrier effects and preserving manufacturability.

A perpendicular electric field drives a semiconductor into a topological insulator state, enabling spin-polarized switching without doping.

Multiple gates with a conducting region between them improve RF switch voltage handling while keeping on-resistance and off-state capacitance low.

Strip-shaped trenches in a multi-channel HEMT raise 2DEG concentration and cut on-resistance to improve transconductance stability and linearity.

By moving the space charge region to the semiconductor surface, this UV photodetector boosts photocurrent from short-wavelength light.