Printed Circuit Assembling TRIZ Cases

Inwardly bent deflection portions improve signal-terminal shielding and guide connector mating for better transmission quality and assembly.

A plastically formed trough in the recess holds and aligns temperature-sensitive components to prevent shifting and defective soldering.

An elastomeric membrane and optical blocks route spills away from the PCB and LCD while enabling dynamic button graphics in gaming machines.

Preformed conductive posts and receiving grooves cut fan-out packaging reflow steps from three to two, reducing deformation and cracking.

Protruded top-layer welding pads let solder balls wrap in 3D, increasing contact area, bond strength, and package miniaturization.

Gravure or flexo printed conductive ink is melted on an electrically conductive substrate to form an adherent finish with lower cost and less whisker risk.

Joined conductive elements form a thick copper layer that cuts etching time, avoids undercuts, and improves heat dissipation in power modules.

Optical inspection and laser repair fill empty or defective pickup sites before mass transfer, raising electronic component placement yield.

Individual flux pin pressurization with a conductive elastic pad adapts to wafer warpage, reducing dotting defects and static damage.

Pd plating on Cu electrodes lets low-melting solder dissolve Pd uniformly, avoiding brittle interfacial layers after repeated reflow.

An infrared reflection layer in the sealing resin reflects reflow heat, limiting chip temperature rise and protecting written data retention.

Coax-like vertical and planar chip connections confine electromagnetic fields to cut RF crosstalk and improve channel isolation.

Encapsulating multiple decoupling capacitors into molded groups increases board packing density, eases trace routing, and reduces misalignment risk.

A vacuum chamber and light-transmitting press enable simultaneous multi-chip laser reflow with more uniform heating, fewer voids, and less oxidation.

A release-layer support and underfill sequence improves fine-pitch circuit board bonding yield while reducing warpage-related defects.

Offset cutouts in multilayer copper bus bars expose inner layers for soldering, improving pin joints and reducing contact resistance.

A split cold plate encloses server tray electronics and circulates liquid to cool processor hotspots where forced-air cooling is ineffective.

A slanted coaxial-to-PCB solder joint removes separate connectors, enabling flexible board placement with reliable signal transmission.

Symmetric driving and dummy electrodes improve micro-LED transfer alignment, cutting connection errors on large display circuit boards.

A press-fit pin joins flex and rigid PCBs directly, removing sleeves and soldering while improving contact stability under stress.

Signals are shifted from long PCB traces to modular cable-linked connector units to cut loss, control impedance, and save board space.

A sliding shielding member blocks the PCB screw hole during misalignment, preventing forced locking and damage to the module and board.

A vibrating display panel directs sound forward while isolating the PCB from friction noise and vibration damage.

A rivet-like connector joins the glucose sensor and PCB through aligned holes, simplifying assembly while avoiding heat damage to sensor chemistry.

Stranded conductive mesh replaces BGA solder balls to absorb vibration and thermal stress while avoiding high-temperature reflow.

Partial planar forming and direct circuit deposition enable compound-curved display panels without trace breakage, seams, or screen artifacts.

A thick segmented protective layer shields conductive adhesive and driving elements from moisture, corrosion, and light loss.

A chamber cover and reducing gas enable flux-free solder bump formation by speeding oxide reduction while limiting evaporated deposits on the substrate.

Chamfered guides and elastic holding elements secure capacitors across size tolerances, preventing gaps, rattle, and holder overstress.

An elastic tab plus multi-axis holding elements secures capacitors despite diameter tolerances, reducing vibration, noise, and damage.

An anisotropic layer replaces BGA solder balls to shrink chip-package interconnects, cut insertion loss, and keep high IO density.

Independent socket and heat-sink force couples balance PCB pin loading, limit warpage, and stabilize processor package contact.

A ground-layer opening bonded to the metallic base shortens the return path and suppresses resonance in high-frequency optical modules.

A bottom-mounted DC-DC converter feeds processor power vertically through the package, cutting lateral losses and improving voltage regulation.

Preformed alignment grooves and raised pins improve PCB contact, prevent misalignment, and increase magnetic device assembly yield.

Rotating and height-adjustable stage alignment keeps PCB and display panel pads matched on inclined surfaces for reliable bonding.

A stepped metal bump uses part of the first metal layer as an auxiliary test circuit, enabling electrical checks without bump damage.

Roughened nickel plating on an aluminum mounting surface enables strong sintered silver bonding of electronic parts without noble metal plating.

Directly bonding the voltage regulator under the CPU shortens vertical power delivery, reducing loss, delay, reflow steps, and board warpage.

A thinned conductor layer embeds and connects components in a circuit board while cutting lamination steps, excess foil, and attachment errors.

An insulative coat seals porous mold compound and terminal exits to block moisture, corrosion, and arcing in semiconductor packages.

Direct pad-to-layer connections let buried chips span multiple circuit layers, cutting noise and power loss while freeing routing space.