Printed Circuit Aspects TRIZ Cases

Collapsed stud bumps create PCB layer interconnects during one lamination step, removing drilling and plating while reducing stress and space use.

A multilayer substrate spaces via conductors from embedded components to cut coupling, flatten insertion loss, and protect antenna signal integrity.

Reducing solder-mask under conformal coating helps PCBs avoid voids, moisture ingress, corrosion, and delamination near electrical connections.

An iron- or chromium-doped base layer improves via adhesion while keeping PCB surfaces smooth for stable permittivity and lower signal delay.

A metal plate partially filling a PCB hole creates direct thermal contact from the electronic device to the heat sink, improving heat dissipation.

Dummy conductive pattern density is matched to board wiring density to make conductive pattern thickness more uniform and reliable.

A one-piece flexible circuit board folds behind the display module to cut assembly steps, cost, thickness, and weight.

Modified LGA differential pin geometry tightens intra-pair coupling to cut crosstalk and preserve PCIe Gen5/Gen6 signal integrity.

Perforated wound substrates place sensors and conductive tracks to preserve signal integrity while allowing fluid flow for real-time tissue monitoring.

A carrier-backed lamination method supports thin sub-perforation substrates to reduce damage, misalignment, and yield loss in 2.5D and 3D packaging.

A chiplet memory hub on an interposer uses die-to-die micro bumps to cut wire count, latency, power loss, and signal distortion.

A removable release frame supports overhanging second-stack areas during resin curing, enabling larger flexible display coatings with simpler processing.

Intersecting filler sections and spaced bonding pads support the element while preventing solder bridging and void-related assembly defects.

A glass core with a shifted through-hole wall suppresses PCB warpage while improving through-via stability and process simplicity.

Screen-printed electrodes on a ceramic heat sink improve power module cooling, resist warping, and simplify substrate manufacturing.

A stepped connection hole and electroplated electrode reduce thermal stress and disconnection risk in compact RF passive substrates.

Interleaving memory channel groups cuts trace layers to two, shortens routing, and improves signal integrity with lower cross talk.

A signal via surrounded by ground vias forms a closed loop that reduces impedance mismatch, EMI, and signal loss in high-frequency PCBs.

Asymmetric undercut sidewalls in plated wiring help maintain dense inter-wiring spacing while limiting peeling, shorts, and line-width loss.

Thin core layers, embedded elements, and SiO2/SiN/SiCN connection layers shorten signal paths and improve multi-chip PCB reliability.

A grounded shielding pattern between routing and gate control lines cuts interference, enabling narrower bezels, better touch sensitivity, and lower power.

A protruding narrow pad and concave-convex PCB layout cut visible dead space while preserving electrical connection in displays.

Using vias and staggered multilayer traces, this PCB layout equalizes differential pair lengths without serpentine routing, reducing delay and loss.

Limits nonlinear deformation correction during component carrier alignment to preserve registration accuracy and manufacturing compatibility.

Conductive pillars through molding free PCB surface area for heatsinks while preserving electrical routing in compact molded packages.

Laser-assisted etching forms hourglass vias in stacked glass layers, raising via density while limiting parasitics and aspect-ratio issues.

A layered polyimide film separates low-loss and adhesive functions to cut 10 GHz dielectric loss while preserving metal-layer bonding.

Selective backdrill clearance on PCB voltage planes preserves copper web width while improving signal integrity and current delivery.

A segmented flexible PCB folds around the endoscope working channel to fit the steerable tip while keeping camera and sensor alignment stable.

A slotted 3D board stack adds bridge and function boards to increase pin connections and wiring space within a limited PCB footprint.

Wide, thick conductive patterns on a cover portion improve PCB terminal alignment, contact reliability, and interference resistance in displays.

A hybrid PCB uses a conductive core for heat spreading while isolating the planar antenna area to preserve sensitivity and structural support.

Cross-surface buffer placement and routing cut PCB layers and EMI while supporting dense memory modules with better signal integrity.

A folded FPC-PCB layout frees space in flexible display modules, removes spacers, and protects components during bending.

A hybrid sputtered and electroless metal build improves through-hole coverage, adhesion, and defect control in inorganic substrates.

Controlled ZnO, P2O5, and trace oxides improve molten-glass mixing, clarity, elastic modulus, and low thermal expansion for PCB insulation.

A groove-filled bonding layer aligns laminated wiring portions, improving adhesion, electrical connection, and multilayer PCB yield.

Pads placed between larger terminals let different-sized parts share one PCB region, reducing board area while keeping power and ground stable.

A superconducting wire through a substrate hole replaces copper TSV plating, enabling reliable low-noise interconnects for quantum processors.

Etched second back-drilled holes remove PCB stubs, cutting signal loss by 25% to 30% for higher-speed transmission.

Low-k filler in back-drilled PCB vias improves impedance continuity, cutting return and insertion loss at high signal rates.

A block isocyanate photosensitive resin balances developability with low dielectric loss, enabling batch via formation in dense semiconductor packages.

Multiple capacitor cores on a circuit board cut module height and enable uniform heat sink contact for better memory power delivery.

Symmetric clip and terminal routing in a half-bridge power module balances parallel transistor current sharing and reduces gate oscillation.

By tuning thermal expansion and elastic modulus between the insulating layer and interlayer conductor, resistance stays stable under repeated thermal shocks.

Placement markings that stay detectable to SMT equipment while avoiding LED light absorption help preserve mixing-box optical efficiency.

A segmented snap-fit PCB connector cuts Z-height while preventing daughterboard slanting and maintaining reliable electrical coupling.

A graphene etch-stop layer protects circuit patterns during metallic film removal while preserving signal integrity and aiding heat dissipation.

Staggered positioning devices stack SSD interface cards on both sides of a circuit board, boosting storage density while reducing thickness and cost.

Differently shaped inorganic particles and locally varied seed thickness improve via adhesion, wiring width control, and connection reliability.