Printed Circuit Aspects TRIZ Cases

Vacuum pressure, through holes, and a gasket groove let this heat sink attach quickly while maintaining sealing and thermal contact.

A layered PCB backplate uses a high-conductivity middle sheet and thermal pads to dissipate heat while meeting PCIe height and protection needs.

Low-melting glass forms conductive through holes without drilling, reducing cracks and breakage while supporting miniaturized circuit boards.

Embedded coaxial vias in a monolithic multilayer test board maintain impedance and reduce parasitic reactance for accurate IC testing above 10 GHz.

Direct-written metal bus bars replace adhesive bonding on screen-printed conductive ink circuits, improving adhesion and cutting curing time.

Barrier walls confine underfill and adhesive in semiconductor packages, shrinking keep-out zones while preserving containment reliability.

A roughened insulating surface guides seed layer deposition on exposed particles and resin, improving adhesion while preventing conductor shorting.

Partial metal vias shield high-speed PCB traces from voltage regulator noise, enabling tighter routing and smaller board layouts.

A stepped pad part and matching concave-convex PCB cut visible non-display area, reducing dead space and improving display immersion.

A temporary bridging element enables PCB edge connector pin plating without tie bars, avoiding burrs, extra etching, and signal degradation.

A gentle swelled conductor profile boosts current capacity while reducing short-circuit and ion-migration risk in tightly spaced circuit patterns.

Thermally conductive filler in resin recess marks improves heat dissipation, keeps circuit modules thin, and makes identification easier to read.

Low-impedance bumps in a surface mount connector wipe create reflective cancellation, cutting signal reflections without shortening contact length.

A coaxial via with closed ground paths improves high-frequency PCB impedance matching, cuts noise and energy loss, and avoids full-board low-DK materials.

A motorized gear train and cam plunger improve pheromone dispensing consistency while reducing motor stress and keeping the chamber sealed.

A spring-loaded quick release built into the heat sink secures M.2 expansion cards without screws, speeding installation and reducing loosening risk.

Direct pad contact and SiO2/SiN/SiCN connection layers shorten multi-chip signal paths, enabling thinner PCBs with better reliability.

A two-layer laminate balances low dielectric loss with UV laser workability by tuning modulus and thermal residue to reduce overcutting.

A smooth via wall and locally varied seed-layer thickness improve resin adhesion, reduce peeling, and stabilize PCB layer connections.

A removal region beside the pad and a side wire path help glass circuit boards avoid layer delamination during edge processing.

A multi-step back drilling approach removes residual via plating stubs in PCBs, cutting signal reflections while protecting adjacent layers.

Flexible links between PCB heat sinks handle misalignment and uneven thermal loads while keeping liquid cooling compact and effective.

A widened connector wipe and lower-k dielectric region cut stub reflections and improve PCB signal integrity in high-speed connections.

A stepped cavity formed by laser stop-layer patterning cuts cavity space while preserving device mounting area, adhesion, and board reliability.

Grooves in display protection layers and openings in support members relieve compressive stress, protect signal wires, and improve panel bendability.

A graded filler resin and buffer layer cut high-frequency signal loss while improving copper adhesion and limiting filler exposure.

Electric-field alignment electrodes placed in pad or bump openings keep conductive particles positioned for stable display interconnections.

A block copolymer polyimide film balances heat resistance with low dielectric loss and improved moisture resistance for thin high-frequency circuit boards.

A copper pillar and multi-layer DPC structure strengthens ceramic circuit boards to resist cracking during repeated temperature cycling.

Electron attachment removes copper oxides between stacked via fills, improving component carrier stability and signal transmission.

Valves redirect liquid coolant to impingement openings over active IC regions, improving hotspot cooling as thermal loads shift.

Thermal zoning, vacuum isolation, and a heat shield let superconducting processors share a substrate with warmer storage while cutting cooling power.

Aligned long-edge FPC bonding with grooves and conductive rubber reduces warping and bending deviation while improving narrow-bezel display yield.

Different joining temperatures fix the exposed component to its spacer before board mounting, reducing displacement and short-circuit risk.

Spring-biased stacked transfer plates improve thermal contact across surface variations while moving heat in a low-height package.