Printed Circuit Aspects TRIZ Cases

Distinct signal and control paths with capacitive and inductive coupling reduce high-frequency interference and enable precise tuning.

Embedded microfluidic passages and a pump cool high-power PCB components, reducing reliance on bulky external heat sinks.

A two-sided shock absorber near the connector constrains PCB movement and absorbs vibration stress to prevent cracking of solder balls and vias.

A multilayer metal block and interconnects in the interposer conduct heat away from stacked dies to improve 3D IC package thermal management.

Conductive nanowires intertangle between carrier layers to create stable 3D electrical connections without precise via alignment or extra processing.

Precise protective layer placement on a flexible PCB keeps pad regions exposed, improving COF bonding reliability without enlarging the module.

Dedicated high-speed substrate traces bypass PCB loss so electrical signals can convert to optical links and keep integrity over longer reach.

Insulating PCB sidewalls and corners cushions glass during singulation, reducing cracking while preserving warpage control and design freedom.

Photolithographic resin films enable smaller vias while improving plated copper adhesion, insulation reliability, and crack resistance.

Stacked metal blocks form vertical, fan-shaped thermal paths in high-frequency circuit boards to cool dense 5G and 6G transmit/receive layouts.

Voids in an underlying metal layer disperse thermal expansion stress at via-land joints, improving wiring board connection reliability.

Taller guide pins and stress relief features align pressfit pins with board openings, reducing insertion issues and pin damage.

An exposed electrode side surface enables electrical connection without grinding, improving circuit module productivity and heat dissipation.

A stepped convex structure on the solder mask expels trapped air during chip adhesion, improving bond strength and heat dissipation.

Segmented solder regions around thermal vias improve heat dissipation while preventing solder penetration and insulation failure in power modules.

Using uncured solder mask to fix a board supporter avoids adhesive overflow, reduces short-circuit risk, and improves package reliability.

Heating and pressurizing resin film fills wiring board through holes without voids, improving dielectric uniformity and reducing waveguide loss.

High filler loading and controlled particle size improve PCB heat dissipation while preserving insulation reliability against ion migration.

High filler loading with tuned particle sizes and a phosphorus-free flow adjuster improves heat conduction while keeping PCB insulating layers uniform.

Depth control grooves that deepen from center to edge relieve PTFE thermal expansion in asymmetric PCBs and reduce edge warping.

Integrated pad groups and laser-welded flexible PCB terminals replace bulky connectors, freeing main-board space for thinner devices.

Pre-formed positioning marks, holes, and protrusions align tiled light boards precisely, reducing seam visibility, assembly time, and cost.

A silver-Schiff base complex in a polymer coating oxidizes and chelates tin whiskers, helping prevent electronic shorting on tin surfaces.

A capacitive terminal tunes PCB signal via impedance without shrinking via spacing or anti-pads, helping avoid CAF limits and improve signal quality.

Multiple small via-on-pad connections cut ground resistance while limiting recess size, improving solder bump contact and wiring density.

Protruding conductor portions act as walls around PCB vias, stabilizing low-thickness fill-plating and reducing dimple defects.

A separation-layer transfer and masked etching process improves flexible display yield while protecting repeated bending reliability.

An asymmetric substrate opening tunes terminal impedance while preserving support strength and reducing breakage during component connection.

Two solder resist types on a component carrier balance thermal expansion and stress to reduce warpage and delamination in dense packaging.

Spring-loaded hinged heat spreaders clamp DIMM chip packages to cut thermal resistance and improve cooling in dense memory layouts.

By sputtering a thin film resistor onto the circuit board, this power module avoids separate resistor bonding, reducing size, cost, and heat-related defects.

Hot-melt fixing portions in the intermediate frame secure and seal the control board, preventing vibration and heat damage in compact display modules.

Segmented plating with locally varied thickness cuts unnecessary gold deposition while keeping wire bonding stable in smart IC substrates.

Directly forming drive and sensing electrodes on the PCB removes connectors, cutting cost while enabling pressure sensing through polymer dielectric change.

Capacitive structures linked to PCB signal vias smooth impedance discontinuities and limit field leakage for better high-frequency transmission.

A tapered lead pad uses a wider distal end and narrower proximal end to align offset capacitor leads while preventing solder overflow.

Spacers bonded between upper and lower ceramic substrates keep chip spacing stable, improving heat dissipation and bonding reliability.

Sheet metal plate portions with angled joints and protrusions cut heat sink weight and processing cost while maintaining heat dissipation.

Multi-side signal pin groups let LED lamp beads rotate for different lighting effects without messy wiring or difficult installation.

A buried interconnect PCB with adhesive and metal bumps enables direct chip mounting, improving flatness and yield without CMP.

Discontinuous metal seed blocks create a rough concave-convex plating surface that strengthens RDL bonding and prevents delamination.

Uniform metal layers beneath LED electrodes prevent tilting and open circuits while improving heat dissipation in flexible displays.

A flexible dielectric layer lowers PCB modulus and thermal expansion under power-device joints while preserving voltage withstand.

Encapsulant-filled flow channels in terminal interposers limit solder bridging and weeping during reflow while preserving thermal and signal paths.

Mechanical fixing portions clamp a ceramic or composite heat dissipation block to avoid PCB warping and block displacement during peeling.

Multiple microvias tied to one buried via raise PCB power delivery to CPUs and GPUs without significantly increasing footprint.

A targeted inductive trace compensates pad parasitic capacitance in LGA circuits, improving return loss and insertion loss.

A temporary bridging element enables PCB edge connector plating, then clean separation removes tie bar stubs to protect signal integrity.

An interposer and adapter board link a printed circuit assembly to SoC emulation, enabling earlier hardware validation without prior-generation substitutes.