Semiconductor/Solid-State Device Details TRIZ Cases

Sacrificial material defines precise interconnect gaps, enabling 5 nm tip-to-tip spacing and correcting photolithography misalignment errors.

A copper-copper interface structure uses plasma descumming to remove oxide layers and promote intergrowth between metal layers.

A solder trench in the substrate captures excess under-fill flow during fabrication.

Dielectric metal-diffusion barrier layer on cavity walls prevents electrical shorts in air gap interconnect structures.

Atomic layer etching creates re-entrant semiconductor profiles to prevent bowing and ensure reliable metal filling in high aspect ratio structures.

MTJ layer prevents seal ring peeling and tungsten punch through by acting as a magnetic shield.

Peripheral lead ridge reduces wire span and package size while insulation layer protects components from solder creep.

A semiconductor memory device features step-shaped grooves and slit-divided electrode structures to reduce wiring line area.

Segmenting the dielectric crossover layer into discrete sections confines thermal stress near supported crossovers, preventing cracking and buckling.

A desiccant material absorbs moisture within an encapsulated micro device chamber to prevent stiction issues.

Vertical e-fuse structures place fuse links on isolating region side walls, shrinking line width beyond process limits and reducing memory cell area.

Self-assembled polymer technology creates ordered nanosized patterns within conductive contact regions to increase interface area.

Segmenting dielectric barriers prevents pinhole-induced eddy currents while preserving low-temperature deposition compatibility.

Thick SiOC liner insulating film reduces capacitance and prevents shorting between wiring and semiconductor elements during via polishing.

A common through chip via transfers signals between stacked semiconductor chips using multiplexer and demultiplexer circuits.

Tapered conductive traces and bumps increase corner clearance to prevent solder bridging between adjacent structures in high-density flip-chip packages.

A fiducial mark uses a low-reflectivity filler in a conductive void to create optical contrast.

Segmented dielectric materials attach semiconductor chips and form recesses for metal paste, resolving thermal insulation trade-offs.

Alignment marks mediate placement errors during pick-and-place operations, ensuring reliable electrical connections despite lateral variations.

Surface protrusions replace bulky wick structures to accelerate condensate reflow and resolve slow fluid circulation in thin vapor chambers.

A shielded gate FET uses a single-mask self-aligned process to form trenches, body regions, and source regions simultaneously.

A malleable conductive portion on a semiconductor chip surface enables direct electrode connections through sealing resin.

A dam material with multiple openings guides mold underfill deposition around semiconductor die.

An elastically deformable pressing plate secures a phase-change cooling device against a heating element, reducing thermal resistance at the interface.

Tapered contact hole geometry increases metal layer thickness at the substrate interface to block mobile ion intrusion in silicon carbide devices.

Segmented leadframes remove disposable portions to boost lead density while encapsulation prevents solder creep.

An inclined rotating plate and stationary bin fill ball grid array templates while reducing static charge buildup that causes solder ball clumping.

Airgap interconnect structures reduce parasitic coupling between adjacent metal wires in semiconductor devices.

An asymmetric substrate interconnect pattern aligns semiconductor die contacts with varying positional tolerances to enable finer contact pad dimensions.

Segmenting the via insulating film into layers prevents overhangs and suppresses copper diffusion during electrode refinement.

Segmented interlaced gate patterns boost capacitance while spaced impurity regions prevent leakage currents in image sensors.

Formed interconnects with concave indentations guide electrical connector placement, resolving trade-offs between package size and connection density.

A multi-layer shield structure combines conductive and permeable materials to attenuate electromagnetic emissions within semiconductor packages.

Pressing the substrate into carrier recesses during sintering creates a flat surface that minimizes thermal contact resistance and prevents cracking.

Carbon-based oxidation barriers and polymer layers prevent pad oxidation while lowering interfacial resistance in 3D memory bonding.

Copper plated segments connect stacked dice in a multi-die package, reducing parasitic inductance and signal latency.

Segmented conductive vias in a CTE-matched polymer layer absorb thermal expansion mismatches between WLCSP and PCB, preventing solder joint failure.

Perimeter trenches on a thinned substrate enable vertical electrical coupling via vias, reducing mounting volume while maintaining signal reliability.

Compacted nanoparticle preforms replace lead solder to reduce thermal stress and environmental impact during semiconductor packaging.

Embedded tie bars dissipate heat from the semiconductor die, eliminating separate sink components and reducing production time.

Bumpless build-up layer coreless substrate uses inter-layer metallization to sequester electromagnetic noise while maintaining structural stiffness.

Shielding structures block alpha particles from solder bumps, preventing data corruption in integrated circuits.

Staged annealing with differentiated solder melting temperatures prevents warpage during board mounting.

A dual carrier plate structure minimizes wafer warpage by balancing thermal expansion coefficients, reducing manufacturing complexity and breakage risks.

A ring-shaped hot spot area on an integrated circuit enables multidirectional cooling via a fin array cold plate.

A thin-film transistor structure uses controlled source-drain thickness differences to enable selective impurity removal and laser activation.

Vulcanizing medium inside plastic overmolding eliminates air pockets and prevents moisture ingress at metallic-plastic interfaces, resolving sealing complexity.

Line-shaped vias expand contact surface area between metal traces, resolving convex surfaces and restricted polymer areas that limit thermal performance.

Low-temperature 2D material deposition forms planar FETs on upper metal layers, reducing via resistance and freeing chip area.