Insulating Substrate Metal Adhesion Improvement TRIZ Cases

A multilayer printed circuit board design uses localized metal segmentation to secure interlayer adhesion without compromising electrical conductivity.

Polysiloxane-coated second fluororesin particles resolve dimensional stability and adhesiveness trade-offs in high-frequency printed circuit boards.

Alkoxysilyl groups in the resin form chemical bonds with low surface roughness copper, resolving adhesiveness loss from reduced anchor effects.

Heat treatment at 1°C to 50°C above the melting point enhances peel strength of a metal-clad laminate sheet while maintaining high-frequency characteristics.

Roughening resin insulating layers before via formation improves adhesion and reduces peeling risks in high-frequency wiring substrates.

A component carrier uses a photosensitive adhesion promoter to enable selective deposition of electrically conductive material.

Partially cured epoxy microspheres form cavities during desmear, providing deep anchors that improve peel strength despite shrinking trace widths.

Vertically expanding conductive polymers in drilled holes establish layer connections while eliminating stub-induced signal degradation.

Dual fluoropolymer impregnation eliminates adhesive layers to boost peeling strength and lower processing temperatures.

A wiring board uses a filler-free resin surface layer to secure conductive adhesion.

Inverting wiring pattern formation to the bottom surface of through-holes eliminates irregular steps, preventing dust adhesion and short circuits.

Silver intermediate layer resolves weak copper adhesion by providing a selective etching path that strengthens substrate bonding.

Laser ablation creates controlled surface roughness on the insulating layer, improving adhesion strength without exposing fillers.

Optimized sputtering parameters crystallize indium tin oxide films below resin heat limits, achieving resistivity under 3×10−4 Ωcm for large-area touch panels.

A fluororesin base material features a modified layer containing siloxane bonds and hydrophilic organofunctional groups.

Specular reflection from a high-reflectivity silver seed layer resolves curing precision issues in ultrafine microcircuit formation.

Sputtered copper alloy seed layers resolve electromigration and adhesion trade-offs in high density routing by acting as a protective barrier.

Porous nitride ceramic body impregnated with low-water-absorption thermosetting resin provides electrical insulation and adhesion.

Stacking Teflon films reduces dielectric loss in high frequency signals while maintaining heat resistance during surface mount processes.

A laminate structure uses a primer layer to embed spherical metal nanoparticles for strong adhesion.

Segmenting the insulating layer surface resolves the contradiction between adhesion strength and wiring precision by preventing residue formation.

A chemical treatment solution creates micro-roughened conversion coatings on metal surfaces to improve polymer adhesion.

A thermally conductive board incorporates a barrier layer between copper foil and an insulating substrate to suppress ionic migration under high humidity.

Larger inorganic insulating particles create via-hole protrusions that increase adhesion strength and distribute thermal stress to prevent separation.

A crystalline active metal compound layer with low aluminum concentration prevents ultrasonic-induced cracking in insulated circuit boards.

Sidewall seed layers prevent residue on insulating resin surfaces, avoiding electrical shorts in 10 μm pitch wiring.

Low-temperature laser bonding joins corrosion-resistant materials without inducing thermal stress, ensuring stable electrical pathways.

Vapor-deposited silane coupling agents strengthen metal-organic interfaces without increasing surface roughness or compromising electrical performance.

Convex insulating layer surfaces enhance adhesion between electrode parts and substrate materials in semiconductor packaging structures.

Silicon nitride substrate surface treatment enhances brazing bond strength through integrated granular bodies and extending needle crystals.

A flexible PCB structure uses a silicone adhesive layer to absorb heat-shrinkage deformation during lamination.

A method forming buried circuit patterns using solid component fillers within an insulating resin substrate to ensure precise etching.

Thiol-based passivation layer prevents unwanted metal deposition on components, reducing plating solution consumption and short circuit risks.