Semiconductor/Solid-State Device Details TRIZ Cases

Fo-eWLB thin film interconnects replace thick through-hole vias to reduce package height and increase interconnect density.

Matched coefficient of thermal expansion in spacing element reduces thermomechanical stress and prevents delamination during temperature cycles.

Laser drilled openings around through package vias form robust intermetallic bonds that prevent copper oxide formation and reduce thermal stress cracking.

Circular tungsten plugs connect guard rings to field plates via interlayer insulating films.

A tapered template channels underfill material through narrow gaps between stacked semiconductor chips, enabling high-density packaging.

Inverted wire paths in reverse ball bonding prevent deformation during resin molding, increasing chip layout freedom and packaging density.

A packageless semiconductor device uses a conductive via extending through an epitaxial layer to enable direct flip-chip bonding.

A semiconductor assembly uses matched convex or concave curvatures on the element and heat sink for a positive mechanical connection.

Laterally displacing the semiconductor package on the premolded leadframe merges components to reduce board area while maintaining assembly capability.

A vertical non-volatile memory device uses dual charge storage structures on inner and outer channel sidewalls to enable multi-level cell data storage.

A semiconductor package integrates an EMI shield with a grounding element to route electromagnetic emissions directly to ground.

Conductive posts connect gate and source electrodes to circuit plates, establishing a direct low-inductance path for high-speed switching.

A post passivation interconnect structure uses a roller-applied protective film to shield solder bumps and molding layers from environmental stressors.

Interconnect line positioning and permittivity adjustments reduce crosstalk interference without adding manufacturing procedures.

A p-type metal oxide semiconductor film creates a depletion zone in the two-dimensional electron gas layer, reducing gate leak current and turn-on resistance.

A spacer with a blind hole prevents moisture penetration and delamination in wafer-level image sensors.

Merging redundant micro-bumps onto shared bond pads reduces area overhead while maintaining bonding yield.

Magnetic shield structures in through silicon vias protect MRAM from external fields while enabling vertical stacking in 3D IC packages.

Metal posts and segmented sealing layers increase rigidity in semiconductor devices, reducing package warp while maintaining low assembly height.

A bonding tool forms a cut portion in the wire to adjust tail length and placement during semiconductor manufacturing.

Laser ablation creates a penetrating blind hole in the substrate, eliminating chemical mechanical polishing to reduce process time and material waste.

Particle matrix crevices mechanically lock epoxy mold compounds to substrate surfaces, preventing delamination and moisture ingress.

A substrate-less interposer uses segmented metallization layers separated by dielectric material to maintain high-density connections.

Vertical jumpers route electrical signals through substrate layers to bypass motherboard cavities and maintain communication pathways.

A semiconductor inductor uses supercritical fluid extraction to remove dielectric material between loops, forming an air gap.

A heat sink clip uses a pivoting arc resisting portion to lock onto a movable fastener, ensuring secure attachment to retaining brackets.

Insulated laminations suppress eddy currents to deliver high permeability and low coercivity, reducing energy losses in switched-mode power conversion.

Vertical thermal vias conduct heat from lower semiconductor chips through upper layers to substrate patterns, resolving poor exhaustion in stacked packages.

Selective etching of pre-damaged insulator defines lateral air gaps, reducing parasitic capacitance and RC delays in dense integrated circuits.

A superlattice structure enhances charge carrier mobility in semiconductor devices.

Halftone exposure patterns differentiate stacked pixel electrodes from single-layer source-drain structures, reducing mask count while preventing corrosion.

Replacing silicon with insulating handle wafer reduces parasitic coupling, lowering insertion loss and non-linearity while improving isolation.

Laser trenches tape to form a molding member with near-vertical angles, eliminating air bubbles and complex mold chase designs during selective encapsulation.

A seed metal layer and protective film enable easy support substrate stripping from semiconductor interconnects.

Wafer-level semiconductor die attachment uses self-aligning mating features during solder reflow to resolve placement accuracy versus throughput trade-offs.

Selective protective films apply mechanical stress to specific transistor groups, resolving performance variability caused by manufacturing inconsistencies.

Arc-shaped eliminating portions and thick upper surface wiring distribute thermal stress, preventing wiring breakage during temperature cycles.

Annular frame blocks air channels to prevent dust contamination of thermal interface material while maintaining heat dissipation efficiency.

Oxidation forms tapered cathode tips that enable field emission, reducing overshoot voltage while maintaining constant capacitance.

A filler layer forms a convex top surface that compensates for sealant shrinkage, preventing gaps and moisture ingress in OLED packaging.

An etch stop layer enables selective removal of solder barriers to maintain consistent pad thickness and minimize parasitic effects in semiconductor devices.

Stacked Sn-Ag bumps and Sn-Cu preliminary layers resolve thermal stress relaxation and fatigue resistance trade-offs in Pb-free solder joints.

Segmented photoresist layers and stepped diameters resolve imaging limitations in thick resist, enabling high aspect ratio vertical interconnects.

A semiconductor memory device incorporates a metal interlayer between impurity and conductive layers to reduce voltage drops during write operations.

Applying detection voltages to selection transistors allows sense amplifiers to measure currents and identify defective blocks before normal operations.

Meta-substituted aromatic resin composition cures via photopolymerization to block nickel filler oxidation in surface mount devices.

Segmented ion implantation creates precise dopant profiles to prevent stacking faults and punch-through defects.

An asymmetric land structure with a larger upper portion mechanically locks into the molding compound to prevent lands from dislodging during PCB attachment.

Siloxane self-assembled monolayers replace flux to prevent metal corrosion and out-gassing during LED substrate bonding.