Read-Only Memories TRIZ Cases

A shared-word-line memory layout cuts spacing between active bodies to pack more cells into limited semiconductor area.

Vertical bit-line pillars and metalized source-drain structures shorten 3D memory paths, lower power use, and improve heat removal.

Alternating oxide and nitride sidewall layers inhibit leakage in memory cell transistors, improving MTP data retention while preserving logic performance.

Tailored reticles compensate for pillar bending in 3D memory stacks, improving contact alignment and reducing resistance, capacitance, and leaks.

A higher-etch-rate insulating layer smooths channel boundary narrowing in 3D memory stacks, reducing resistance and preserving current and voltage performance.

A recessed low-resistivity edge fill cuts word line resistance, enabling longer memory array lines and smaller die layouts.

Oxide-lined 3D memory stacks cut series resistance and interface trap centers to improve current drive, reliability, and storage density.

Insulative extensions beside recessed conductive structures help 3D NAND contacts align cleanly while reducing bridging and short-circuit risk.

Silicon nitride gate-to-gate layers keep 3D memory stack isolation more uniform across thermal budgets, reducing coupling, leakage, and yield loss.

Aligned grooves and holes form U-shaped semiconductor channels that protect gate insulation and enable dense, reliable 3D memory integration.

Low-temperature polysilicon channels, ALD, and optical annealing enable dense 3D memory stacking without damaging lower metal interconnects.

Vertical stacking of active bodies and a single word line between adjacent bodies increases switch transistor density and memory capacity.

A mirrored drive path burns an e-fuse with less circuit area while maintaining trim operation even when one circuit element is damaged.

Different N/Ti ratios in MRAM top electrodes tune TMR across array regions to balance faster operation, stronger retention, and lower power.

A SONS charge-trap stack controls post-synaptic current and synaptic plasticity while improving CMOS compatibility for neuromorphic integration.

A segmented channel connector links stacked channel layers in 3D NAND, raising storage density while easing fabrication complexity and resistance.

Independent gate oxide breakdown creates initial, intermediate, and fully open ROM states for compact multi-bit storage and stronger data protection.

Ambient-temperature sensing adjusts MOS well potential to cut off leakage current without relying on fixed bias conditions.

A current-mirror and cascode regulator cuts NAND flash DC bias current without larger resistor area, while protecting PMOS devices and aiding startup.

A non-uniform control gate impurity profile localizes tunneling, cutting NVM erase voltage and time while improving endurance.

A hybrid NMOS-PMOS charge pump cuts voltage loss and reverse current, preserving boosted output while using less NAND flash die area.

Backside trench oxidation forms replacement insulating layers with nitrogen gradients, improving 3D memory conductivity and reliability.

A vertical fuse OTP cell stacks source-line, bit-line, and gate structures to raise memory density and cut transistor count and cost.

A dual-gate thyristor-like memory structure cuts leakage current while improving data retention, reliability, and scalability.

Avalanche-mode BJT switching drops source plate voltage in tens of microseconds, speeding memory erase and reducing HV NMOS damage risk.

Asymmetrical floating-gate shapes and spacing improve coupling ratio uniformity, stabilizing threshold voltage and read reliability.

EOM-triggered preset updates let a memory link adapt to voltage and temperature shifts, preserving signal quality without constant monitoring.

Interleaved string drivers use narrow active regions and gated LDD isolation to cut memory pitch without raising leakage or lowering breakdown voltage.

A ferroelectric memory cell combines DRAM- and NAND-like operation in one SoC-compatible structure while cutting synaptic power use.

A 3D split-gate FinFET flash cell boosts memory density while improving read current, sub-threshold leakage control, and scaling uniformity.

A fin-shaped nonvolatile memory cell uses depleted layers and segmented gates to suppress unintended charge injection during high-density scaling.

A dual-transistor FeFET memory cell shares terminals and a ferroelectric capacitor to increase current and reduce IR drop for faster access.

A common source line links COP memory strings and peripheral transistors to simplify layout, cut process cost, and enable bulk erase.

Different erase voltages on two bit-line groups equalize erase speed between truncated and non-truncated 3D memory strings.

A configurable reference resistor matches fuse resistance variation to improve memory fuse status reading without photomask changes or process restarts.

Air-gap isolation in stacked 3D NOR memory strings cuts parasitic capacitance, enabling dense arrays with fast random access and low read latency.

An insulated charge storage layer in a fin memory structure reduces charge loss and improves non-volatile data retention reliability.