Printed Circuit Aspects TRIZ Cases

Smaller third metal powder consumes unreacted tin to maintain bonding strength during repeated reflow.

Digitally controlled nozzles deposit liquid droplets to form homogeneous coating layers with precise thickness variations.

A terminal conductor foil protrudes inward into a placement through hole to connect electronic component terminals directly from the lower surface.

Eliminating steel or glass carriers reduces process complexity and waste while enabling permanent electrical connections.

A zero-misalignment via-pad structure uses a dual-tone photoresist process to define precise pad dimensions.

Segmented capacitors in a resin insulating layer resolve the trade-off between high capacitance and insulation resistance while preventing power supply delays.

A magnetic sensor design positions terminals on opposite circuit board surfaces to limit perpendicular length and reduce installation space.

Segmenting hole structures into non-through layers prevents drill breaking and alignment errors during lamination of thick multilayer wiring boards.

A hybrid heat-radiating substrate uses an oxide insulating core layer to isolate thermally weakened components from metal-based thermal paths.

A conduction element bridges solder pads on a printed circuit board to electrically connect memory units with the connection interface.

A polyimide film with specific aromatic diamine residues enhances optical transparency for flexible electronic displays.

Aqueous activator solution with strong reducing agent enhances catalytic activity for electroless copper deposition.

Multi-material substrate regions minimize thermal parasitic loads and expansion mismatch stress in superconducting supercomputers.

Segmented thermal interface layers maintain electrical insulation while reducing contamination risks and optimizing heat transfer efficiency.

A first resin with a protrusion fills the gap between a semiconductor chip and a substrate in an embedded printed circuit board.

Staged desmear treatments remove residues from via holes, preventing haloing and peeling between conductor pads and insulating layers.

Vertical stacking of lasers and detectors resolves heat dissipation challenges while enabling higher component density in miniaturized optical modules.

Embedding the mesh within pre-formed recesses prevents protrusion and improves contact reliability while lowering production costs.

A resistive heating element embedded in the PCB core normalizes thermal gradients during lamination.

A circuit board uses a dummy terminal with a lower height to expand the plating area during electroplating.

Resistance test loops in code boxes encode lot numbers to resolve traceability loss after dicing without adding manufacturing complexity.

Mechanical abrasion removes patternable material from electronic components, bypassing costly chemical etching to improve throughput.

Optimized aqueous dielectric ink viscosity allows direct thermal jet printing, eliminating expensive deposition equipment and reducing manufacturing costs.

An insulating member with resin walls suppresses leakage currents between adjacent lead terminals in electronic devices.

Integrated spring members exert normal force to maintain sensor contact while hook members engage the board, eliminating soldering for easier assembly.

Conductive racks on the circuit board dissipate transformer heat, preventing accumulation that reduces voltage output efficiency.

Mounting a thermistor on an external flexible printed circuit board resolves space constraints in co-axial packages while reducing costs.

Merging two independent LEDs into one common lens resolves the trade-off between reliability and system complexity.

Vertical via embedding reduces parasitic effects and manufacturing complexity without additional plating steps.

A thermosetting resin composition incorporates radical polymerizable unsaturated compounds and organic radical compounds to enable controlled curing.

Embedded thermal planes and vias conduct heat laterally and cross-sectionally through composite PCB layers toward a central heat sink.

Vacuum deposition forms complete metal cover layers over substrate structures using controlled photoresist undercutting.

Modified polyphenylene ether resin on quartz glass cloth reduces signal transmission loss while maintaining heat resistance.

A via conductor substrate uses tapered peripheral portions to absorb thickness variations and maintain surface flatness.

Preheating polyimide laminates reduces water content to stabilize transmission loss in multilayer printed wiring boards.

An intermediary spacer distributes pressure on the driving chip, preventing damage during device bending while maintaining structural reliability.

Printed wiring substrates use adhesive protective films and conductive paste filling to form bottomed via holes for multilayer integration.

Segmented plating layers distribute mechanical stress to prevent cracking and eliminate voids within through-hole conductors.

Overlapping multi-layer traces electrically coupled via plated through holes reduce characteristic impedance on printed circuit boards.

Asymmetric ground pad spacing in a BGA radio frequency module suppresses impedance lowering during downsizing.

A retractable limit display device uses a sliding movable assembly to expose or hide the screen within the case structure.

A wiring board structure joins conductive members through insulating openings to enable efficient heat dissipation for high-power semiconductor elements.

A polymer resin composition containing a non-conductive metal compound forms conductive patterns through selective laser irradiation.

A circuit board via structure with distinct surface roughness regions enables stable plating of large-diameter holes.

A printed circuit board with non-electrically conductive areas reduces thermal conductivity to cool electronic modules.

A stem protrusion surrounds the lead to reduce gaps between the component and flexible printed circuits.

Organic solvent swells capping material to disperse metal nanoparticles, preventing oxidation and agglomeration that reduce conductivity.

A wiring substrate embeds fine metal wirings in an insulating layer with controlled filler particles to maintain stable signal transmission.