Printed Circuit Aspects TRIZ Cases

A backlight module uses a frame protrusion unit to press and fix the flexible circuit board.

First and second limit structures on the winding belt space adjacent layers evenly, preventing adhesion and oxidation during the unwinding process.

A flexible circuit board pad unit uses a one-row terminal zone to connect high voltage signals.

A component carrier uses distinct resin flowed portions from layered insulating structures to embed components within a cavity.

A wiring circuit board integrates stripe grooves and recesses to form a two-dimensional code.

Sealing conductive traces with a covering film prevents galvanic corrosion of nickel and copper layers in damp H2S environments.

Etched branch lines on a second layer minimize voltage drop and data losses while supporting numerous branched outputs.

Segmented substrates with thermally conductive vias reduce thermal resistance and mechanical stress in LED packages.

A hand-assembly load control device uses transistor circuits and large surface area electrodes to manage electrical conductivity.

Insulating sleeves block contact between pin terminals and adjacent circuit boards, reducing conductor resistance and enhancing heat radiation.

A circuit board connection structure uses a conductive post formed by copper plating to link solder pads and antenna modules.

A wiring board design uses localized insulating particle concentration to block ion migration between conductors.

Laser irradiation forms a conductive film on terminal holes, resolving material waste and assembly complexity while ensuring reliable electrical connections.

Hollow fluororesin particles reduce film thickness and dielectric constant while maintaining via connection stability.

Depth-controlled drilling and selective plating eliminate residual stubs, reducing signal reflections and improving channel bandwidth.

Inclined upper and lower edges in the transition segment stagger weak points to reduce stress concentration during plugging.

Docking openings house securing rails that nest external components, reducing overall volume while preventing disconnection under vibration.

A printed circuit board footprint uses three or more coupling points to attach a plug connector with exactly two signal conductors.

Staggered panel lands resolve soldering misalignment caused by narrow spaces in high-resolution liquid crystal displays.

Embedded heavy copper traces in the printed circuit board eliminate separate copper bars, reducing assembly complexity and manufacturing costs.

A wiring board uses variable line widths to maintain signal integrity across the substrate.

A printed circuit board via connects metal layers through a heterogeneous metal region containing nickel, silicon, or titanium to enhance conductivity and strength.

An asymmetric glass cloth design reduces dimensional change anisotropy in thin printed wiring boards.

Differentiated circuit board surfaces assign high-heat components to high-dissipation zones, suppressing thermal shutdown risks in image forming apparatuses.

A flexible printed circuit board connector absorbs mechanical impact during user option attachment, maintaining high-speed signal integrity.

Graded silver particle sizes in a multi-layered electrode prevent sintering contraction and breakage while maintaining low series resistance.

Segmented anisotropic conductive film units bond drive integrated circuits to liquid crystal panel substrates.

A thermosetting resin composition combines compatible and incompatible phosphorus compounds to enhance flame retardance.

A printed circuit board mounts high-heat-generating devices on opposite surfaces to transfer heat through conductive members.

Recessed inner-layer copper ends improve pin-to-via retention force and reduce yield burdens from aggressive etching processes.

A tungsten nitride barrier isolates copper from glass fibers, preventing conductive anodic filament formation and ensuring reliable electrical connectivity.

Segmenting the cap creates an anchor portion that prevents detachment during thermal excursions.

Floating auxiliary pad crushes and expands to compensate for mounting misalignment, suppressing increased coupling resistance.

Tapered holes with protruding reinforcement prevent voids from blocking narrowest portions during electrolytic plating.

Delay circuitry extends power supply via capacitors, allowing volatile cache data commit before cutoff.

Rounded concave and convex sections in flexible circuit board connections alleviate mechanical stress at joint corners, preventing failure during bending.

A barcode on an interconnection substrate uses resin-filled penetrating holes in the core layer to enable detection after lamination.

A printed circuit board uses a glass core with blind cavities to embed passive elements directly within the substrate structure.

A semiconductor relay module uses dedicated positioning means to guide terminals into connector holes.

Segmented conductive portions bridge parallel display lines, enabling repair without damaging adjacent structures.

Specified iron concentration in photosensitive resin prevents surface whitening, ensuring reliable film durability and patterning workability.

A wiring substrate uses an etching inhibitor to form a copper conductor layer with an upper surface width equal to or larger than the lower surface.

Functionalized polyphenylene ether resin combined with a brominated flame retardant compound creates curable compositions for structural laminates.

Embedding ceramic filler in the PCB support layer improves thermal conductivity, eliminating bulky metallic heat sinks and reducing device mass.

Replacing solder sealing and laser welding with resistance welding lowers manufacturing costs while maintaining optoelectronic component protection.

Prints circuit patterns on release film before hot pressing heat conductive insulating and base layers.

Laser triangulation probes measure surface height and layer thickness to adjust machining laser focus.

A circuit module interlayer conductor uses a stiffness gradient to absorb ultrasonic vibrations, preventing damage to connecting portions.

Adhesive damping layer mitigates capacitor swelling noise while maintaining connection reliability.

A component carrier uses an 8 μm minimum plating thickness at blind hole bottoms to ensure robust electrical connectivity.