Printed Circuit Assembling TRIZ Cases

Extending solder post height beyond maximum width resolves short-circuit risks from reduced hole spacing while maintaining sufficient solder volume.

Multi-row via arrays establish current pathways away from sensitive nodes, reducing leakage current and dielectric absorption without consuming PCB real estate.

A screen printing machine uses a dedicated receptacle to catch applying material from the reciprocating squeegee during mask changes.

Precoat barriers prevent paste spreading along ridgelines, controlling electrode width and preventing short circuits.

A bonding tool uses position detection to maintain a fixed distance from the substrate during thermal fusion.

Uniform contacting member materials stabilize bonding performance across varying wiring patterns, preventing disconnection in flip-chip mounting.

A belt-driven holding assembly pivots workpieces using gravity to simplify turnover mechanisms.

Conductive projections on printed circuit substrate edges enable direct electrical contact, eliminating mechanical connectors and reducing assembly size.

Exposed via plating cut faces create side-mounted solder lands on printed circuit boards.

Inkjet printing deposits conductive traces across transverse substrate faces, resolving the limitation of traditional wire bonding in complex 3D configurations.

Capillary flow of conductive bonding material through insulator holes electrically connects linear cable conductors to substrate terminals.

A partially shielded board directs microwave standing waves to melt specific solder joints while protecting others from excessive heat.

Independent pick-and-place structures on movable holders increase throughput while maintaining sub-micron alignment accuracy for TSVs.

A metal foil pattern layered body anchors conductive patterns to a base member using structural protuberances and adhesive interfaces.

Thermoplastic resin dissolves after heating to remove voids and lower electrical resistance in solder joints.

Tooling fixtures align and retain magnetic core portions on a PCB to maintain specified gaps during adhesive curing.

A layered solder material forms a solid-phase diffusion barrier between dissimilar plated electrodes to prevent intermetallic compound formation.

Laser ablation removes the outermost seed layer portion from through-hole interiors before copper deposition to prevent stub formation.

Automated numerical control calculates actual gravity center using stored weight data to eliminate trial-and-error relocation time.

Segmented heater-sensor dies with reverse wire bonding resolve manufacturing complexity while maintaining precise temperature control.

Tapered through-holes in a microparticle arraying mask prevent defects like overlapping and falling out for particles under 50 μm.

A screen printing plate uses a projection and recess pattern at the opening end to control bleeding width.

Segmented heaters and cooling systems manage thermal stress to prevent substrate warping while ensuring reliable solder connections.

Nested cylindrical passive components eliminate unwanted inductance from stub lengths while reducing board surface area usage.

Segmented leads with hollow portions reinforce insulating layer bonding, preventing separation during bending stress.

A printed circuit board recess accommodates discrete components within the substrate, eliminating external electromagnetic interference shields.

Leaf spring contacts extend past the PCB edge to compress against adjacent pads, reducing interconnection space and simplifying trace routing.

Planar metallic members contact interleaved conductive layers to dissipate heat, resolving inadequate package design that reduces longevity.

Slit-patterned flexible masks conform to warped substrates, maintaining uniform gaps and accurate positioning of conductive balls onto terminal areas.

A printed circuit board uses an embedded trench circuit layer to reduce separation risks and improve interlayer alignment.

Bonding the touch-sensor controller directly to the flexible substrate reduces component count while maintaining precise capacitance measurement accuracy.

An additional layer with matched thermal expansion coefficients reduces warpage in miniaturized electronic component packages.

An insulating elastic fastener secures circuit boards via downward rotation, preventing short circuits from dropped metal screws.

A printed wiring board embeds an inductor device within a cavity formed in its buildup layer to reduce overall thickness.

Vacuum ejector stamps position pre-formed adhesive tablets into a nesting matrix, eliminating nozzle clogging and release layer tearing during bonding.

Forming contact bumps directly on conductor patterns using photo-lithographic or electrolytic techniques for precise circuit board structures.

An edge-mounted thermal jumper couples to multiple conductive plane layers via attach pads.

Positioning posts on a mounting bracket fit into receiving grooves on a lens unit to prevent separation under lateral pressure.

Thermal stress generates dielectric breakdown of the native oxide layer on carbon nanotube wirings, reducing high contact resistance at metal interfaces.

Deformable conductive paths in a multilayer wiring substrate bond electrodes under compression while maintaining insulation between adjacent paths.

Segmented alternating bonding pads increase overlap area to improve production yield while maintaining spacing to prevent short circuits.

Replacing organic solvents with water eliminates environmental harm while the resin forms a dense cross-linking network structure upon UV exposure.

An electrical connector uses an inclined terminal portion against a stopping corner to constrain downward movement.

Orienting the shear droop away from the suction face prevents vacuum failure and guarantees reliable supply of solder pieces.

Solid bonded dielectric barriers replace air gaps in embedded magnetic components to reduce isolation distance while maintaining high voltage safety.

A carbon printed circuit board contact system uses a spring with adapted force to maintain electrical connection.

A printed circuit board uses a bypass feature to route electrical connections through stacked layers.

A silver-bismuth alloy sheet forms a diffusion layer via solid-phase reaction to bond semiconductor components.

A flip-chip optical transceiver package integrates driver and photonics ICs to reduce parasitic inductance.