Transistor TRIZ Cases

Air gaps and a porous layer isolate source/drain regions to cut capacitance and leakage in stacked gate-all-around channels.

A deep trench via links parallel frontside and backside metal wires despite misalignment, enabling denser semiconductor interconnect routing.

Separated charge storage layers and isolation barriers suppress inter-cell charge migration in vertical NAND, improving retention in dense stacks.

A fluorinated, acidic, and hydrophilic resin balances liquid repellency with alkaline solubility, then photocrosslinks at low exposure.

Separate trapezoidal deep vias connect stacked FET source/drain regions to cut cell height and lower short-circuit risk.

A multilayer hydrogen barrier stack absorbs and blocks hydrogen before it reaches the FeRAM metal-oxide channel, reducing leakage and instability.

A nitrided trench liner enables backside power delivery isolation in tight chip layouts while protecting extension regions and gate stacks.

An external source resistance limits SiC short-circuit overcurrent to prevent thermal destruction while preserving switching performance.

A lower silicide interface and insulating liner improve source/drain contact reliability in dense multi-gate transistors.

Nitrogen build-up areas in inner spacers help multi-gate transistors cut parasitic capacitance and improve current control at smaller pitches.

Overlapping stacked electrodes and insulating layers raise storage and hold capacitance in OLED pixel circuits without enlarging pixel area.

A diode-capacitor gate path speeds JFET turn-off while limiting gate-source voltage to prevent false triggering, loss, and gate stress.

PMOS gate charge is redirected to the NMOS gate in a full-bridge stage, cutting gate losses and improving switching efficiency.

Integrated phase-node voltage sensing detects desaturation and short faults in half-bridge inverters without adding package size.

A differentiated gate dielectric and electrode etch forms precise fin-gate openings while minimizing lateral undercut and effective capacitance.

A dielectric-separated vertical CFET stack uses different channel lengths and a common gate to limit N/P GAAFET crosstalk while saving area.

Vertically stacked channels, split gate electrodes, and conductive plates cut cell area while limiting interference in dense MOSFET layouts.

Selective SiGe removal creates enlarged self-aligned backside source/drain contacts that lower resistance without short-circuit risk.

Selective high-k dielectric removal and thicker low-k spacers cut parasitic capacitance in nanostructure FETs while preserving on-current.

Recessed vertical spacers create air spaces around nanosheet gate regions to cut parasitic capacitance and stabilize scaled transistor operation.

A void inside the source/drain structure cuts parasitic capacitance in scaled nanostructure transistors while preserving conductivity.

Vertically stacked GaN nanosheet channels cut gate leakage and raise drain current, enabling normally-off high-power RF transistors.

Hybrid bonding joins separately formed n-type and p-type wafers to simplify CFET stacking while avoiding thermal damage.

Thin-film transistor switching links transparent conductive oxide cells to reconfigure RF antennas, filters, and beamforming functions.

Different inner spacer widths in CFET p- and n-type transistors cut capacitance and preserve on-current during scaled integration.

An SOA-based circuit tracks transistor power from VDS and triggers fast shutdown to avoid false trips, IC area growth, and thermal damage.

A precharged capacitor and free-wheeling path enable fast DC short-circuit isolation while limiting upstream current change and switch stress.

A 2D transition metal dichalcogenide channel raises Fermi level state density to detect small electric fields through current changes.

Adjacent back-gate wells couple a FET gate to a bipolar base, enabling compact CMOS-on-insulator integration with lower power and independent biasing.

By spacing active fins away from row boundaries and adding dummy fins, this layout improves semiconductor integration density without sacrificing reliability.

Dual-sided front and back routing in vertically stacked FETs eases congestion and simplifies semiconductor interconnect layout.

An oxygen-rich insulating layer suppresses oxygen vacancies and impurity diffusion in metal oxide semiconductors for stable, reliable electrical behavior.

Temperature-based current adjustment keeps a charging transistor within safe limits while preserving load charging efficiency.

Parallel charging and series control of segmented bootstrap capacitors cuts chip area and cost while sustaining high-side gate drive voltage.

Integrated temperature and phase-current sensing keeps SMPS feedback accurate across temperature changes while reducing sensor and communication complexity.

Two photoresist patterning sharpens OD width jog transitions, reducing spacer peeling and gate leakage while improving active region use.

By etching away most of the substrate but leaving edge coverage over source/drain regions, backside contacts can be formed with fewer defects.

Varying micro well heights increases sample contact area and volume, enabling stronger and more accurate differential signal detection.

A backside dummy metal heat sink and thermally conductive insulating pattern improve semiconductor cooling and plasma-damage reliability.

A conformal liner film on the via trench wall equalizes metal deposition, preventing voids in high-aspect-ratio metal gate vias.

A multi-stage gate-voltage profile cuts EV inverter switching loss while limiting ringing, overshoot, and junction temperature.

Vertical CFET stacking gives an 8T dual-port SRAM bit-cell near-single-port footprint while simplifying routing across top and bottom tiers.

Different dielectric materials fill etched cavities and gate spacer regions to preserve isolation while lowering parasitic capacitance in dense FETs.

An asymmetric dielectric wall widens PMOS and narrows NMOS to raise drive current, cut parasitic capacitance, and support tighter cell scaling.

A multilayer gate capping structure blocks chemical penetration at metal seams, preserving work function metals and stable operating voltage.

Individual gate voltages are adjusted from measured junction temperatures to limit thermal deviation in parallel semiconductors and extend service life.

Vertically stacked source-drain regions with liner-protected nanosheet channels improve electrostatic control, density, and manufacturability.

Weighted averaging of gate-drive voltage signals replaces physical DC sensors, cutting converter cost and space while preserving accuracy.

A graded dielectric-to-barrier transition cuts interface stress and net charge in TFT gate stacks, improving reliability in smaller devices.

A low-k dielectric cut at the N-P boundary blocks vacancy diffusion, reducing VT shift and local layout effects in IC transistors.

Varying field plate spacing across unit FETs cuts source-drain capacitance while preserving current collapse suppression.

Vertical stacking of planar 2D channels boosts current density while limiting short channel effects and supporting gate length scaling.

A low-k dielectric around the gate corner cuts GIDL in a vertical semiconductor structure while supporting further device scaling.

A threshold-biased JFET adds a second discharge path after snapback turns off, keeping the protected node below damaging over-voltage.

Varying gate-to-channel spacing across multi-finger FETs suppresses center heating while preserving output power and chip area.

Timed LED and voltage control circuits keep A-type and B-type MOSFET switches from turning on together while preserving high-speed photorelay switching.

A backside via with epitaxial regrowth improves GAA transistor contact quality, lowers resistance, and frees front-side routing space.

A dielectric fin with core and connecting portions separates gate regions to improve multi-gate control while supporting device scaling.

Dipole-forming doped work function metal layers tune FET threshold voltage in scaled gate stacks, improving reliability and control.

Compressive source and drain electrodes tune stress in an oxide semiconductor channel to reduce transistor variation while keeping high on-state current.

Dummy channel trimming and replacement enable denser 3D memory cells with better isolation, lower parasitic capacitance, and improved reliability.

A silicon cap layer acts as an etch stop in nanosheet transistors, protecting inner spacers, limiting Ge diffusion, and reducing dielectric breakdown.

A nested dielectric structure between source/drain features and the substrate cuts parasitic capacitance and leakage while preserving inner spacers.

HCl etching reshapes GAA channel ends to shorten effective channel length, raise Ion, and cut channel-to-source/drain resistance.

Lowering gate electrode height to no more than half the junction depth cuts sidewall capacitance and RC delay while preserving gate control.

A stacked relay electrode and common wiring layout improves LCD aperture ratio and contact-hole reliability while limiting substrate heat.

Different nanosheet spacings and dipole gate dielectrics enable stacked transistors with multiple threshold voltages without metal etch back.

A common upper-lower gate and unitary spacer layout helps stacked nanowire GAA FETs scale further while reducing short-channel effects and parasitics.

Ion implantation selectively speeds etching in one isolation structure, enabling different recess depths for 3D-NAND MOS regions.

A gate-connected shielding layer under flexible AMOLED TFTs blocks substrate charges, reducing hysteresis and parasitic capacitance.

A sharp-tip floating gate and embedded word line broaden the flash memory process window, cutting defects and supporting stable scaling.

Perpendicular 2D nanosheet channels enable stacked 3D transistors with higher density, improved current flow, and fewer masking steps.

An insulation barrier beneath the source/drain helps downscaled ICs maintain integration density while improving electrical reliability.

A localized defect region beside the source/drain removes body charge in SOI FETs, eliminating floating body effects without baseline loss.

A split VDD and single VSS routing layout moves power delivery above and below GAA cells to ease routing congestion and support scaling.

A gate ferroelectric film and constant current formation layer enable three-state inverter operation while limiting leakage and power use.

Narrowed source-region ends enable shorter gate and drain wiring, cutting resistance and millimeter-wave losses in analog amplifier circuits.

By routing signals beneath transistors, this case relieves frontside interconnect congestion and lowers parasitic capacitance in dense IC cells.

A parallel ferroelectric capacitor array boosts weak nanoscale signals through shared metal lines and pads for accurate electrical characterization.

A delayed backside power rail process avoids FEOL metal contamination and high-temperature resistance rise in IC power delivery.

Resistor dividers lower signal-driver gate voltage to cut I/O pad capacitance and reduce driver interference, improving receiver integrity.

Bridge-linked divided capacitors with insulated stacked metal layers prevent fine leakage and GIP node voltage drop during sensing.

Direct gate-line cross-coupling in a 3D stacked transistor layout removes dummy transistors, preserving chip area while improving performance.

Mechanical NEMS switches in the BEOL replace FEOL gating transistors to cut off-state leakage, save footprint, and avoid headroom loss.

A reverse-tapered backside isolation cut separates adjacent source/drain contacts to improve MOL tip-to-tip scaling and isolation precision.

Upper source/drain dopants are activated by amorphization and rapid thermal recrystallization while keeping the lower CFET source/drain below relaxation temperature.

A 4-transistor TCAM cell uses paired memory and non-hysteretic transistors in BEOL integration to cut power and complexity while preserving fast search.

Divots at the fin base increase substrate isolation in FINFET SRAM, reducing radiation-induced SEUs and soft error rate.

Tilted ion implantation and spike anneal form a fin-shaped MOSCAP while easing thermal anneal limits that can cause layer degradation.

Different dielectric constants across gate and interconnection regions raise gate-to-source capacitance and curb parasitic turn-on.

Separate terminal layers and masks let thin-film resistors achieve sub-lithographic terminal spacing, shrinking footprint while preserving resistance scaling.

Hydrogen ion movement and hysteresis help stabilize threshold voltage, raise signal-to-noise ratio, and support short- and long-term memory.

Independently biased conformal gates widen and continuously tune GAA transistor threshold voltage while preserving channel material integrity.

Bootstrapped level shifters drive series MOSFET switches to prevent leakage errors in differential cell-voltage sensing across wide common-mode ranges.

Dual Vds clamp levels selected from SR FET on-time history shorten turn-off delay and reduce cross conduction loss under deep CCM.

By stacking the memory cell array over the driver circuit, this DRAM layout raises density without enlarging chip area or increasing wiring loss.

Shared gate strips and doping regions shrink flip-flop input circuits while preserving data storage through segmented PMOS and NMOS control.

A protective etch-stop layer and dry-wet etch sequence improve contact formation precision by limiting lateral etching and current leakage.

A different uppermost channel material improves etch resistance in stacked FinFET channels, reducing layer loss during fine-pattern fabrication.

Using 2D layered channels on silicon, this case shows contact structures that improve adhesion and suppress sulfidation for better yield.

Using thin substrates bonded to temporary support substrates, this case improves touch-display alignment, limits breakage, and enables thinner panels.

A feedback path with a capacitor suppresses inrush current while preserving fast switch-off in a current limiter circuit.

Segmented metal shielding with insulation portions cuts FD potential fluctuation and short-circuit risk while preserving wiring layout flexibility.

A buffer layer protects microcrystalline TFT channels from oxidation, improving mobility, leakage current, and LCD manufacturing yield.

Dielectric walls and isolation structures let nanosheets sit closer together while cutting parasitic capacitance and threshold variation.

Reduced STI recess depth in direct N/P local interconnects lowers gate coupling capacitance and improves AC performance.

A carbon-rich liner between source/drain regions and the channel blocks dopant diffusion, preserving channel mobility in scaled transistors.

Diagonal recess and protrusion edits at mask step corners improve OPC pattern transfer accuracy while limiting mask data complexity.

Plasma-flattened doped silicon enables a thinner, higher-quality insulating layer, improving capacitor reliability and capacitance density.

Dummy OD strips define MOS body terminals without OD cut-off steps, supporting dense cell layouts while lowering process failure risk.

A low-K spacer between gate metal and source/drain contacts cuts parasitic capacitance and speeds switching in nanosheet transistors.

Hydrogen barrier liners around source and drain contacts block diffusion into oxide semiconductor channels, stabilizing threshold voltage and contact behavior.

Preformed hollow cylinders around semiconductor dies create through holes without drilling, cutting package damage, rework, and cost.

A shifted reference voltage lets the comparator detect short-circuit overcurrent even when input voltages fall below its common mode range.

Compressive source-drain stress and hydrogen control stabilize oxide semiconductor transistor characteristics while preserving low power and on-state current.

Coupling decoupling capacitors to the power bus supplies local charge during peak demand, reducing voltage droop in stacked memory arrays.

A vertically separated signal line and capacitive element cut coupling capacitance, lowering kTC noise and crosstalk in pixel readout.

Controlled In-Ga-Zn-O channel ratios and oxygen repair suppress threshold drift while enabling faster, normally-off oxide transistors.

Selective cap deposition reinforces a thinned gate protective cap during source/drain contact etching to prevent leakage currents and improve yield.