Cross-Talk/Noise/Interference Reduction TRIZ Cases

A printed circuit board uses a bent heat radiation member to propagate noise currents toward the substrate.

A soft-magnetic multi-layer substrate integrates a laminated coil and semiconductor IC to minimize parasitic inductance while suppressing magnetic flux leakage.

A dual-branch power distribution network splits transient and steady-state current paths to optimize impedance characteristics.

A connection device merges signal transmission and ground paths into single leads inserted into flexible substrate through-holes.

Air gaps lower the dielectric constant between copper conductors, reducing cross-talk while maintaining current carrying capabilities.

A choke module and compensation network filter common mode noise on high-speed connector interfaces.

Integrated circuit driving units configure conductive traces as guard lines to minimize electromagnetic interference between adjacent signal paths.

A heat sink forms an electromagnetic band gap structure with a conductor plane and open stubs to suppress radiation noise.

Vertically offset metal lines reduce cross-talk and increase line density by transitioning from planar to three-dimensional configurations.

A printed circuit board resonance portion suppresses electromagnetic interference using integrated conductor patterns.

Stacking power units beneath processor chips reduces connection impedance by replacing long horizontal wiring with vertical via holes.

A circuit board device uses back-to-back capacitor mounting to counteract vibration forces and reduce acoustic noise.

Shield pads beneath BGA pads reduce stray capacitance to 1-10 pF, maintaining impedance within 1-2 ohms for high-speed interfaces.

Nested shielding structures protect multiple integrated circuits on a single package without increasing manufacturing complexity.

A printed circuit board uses a dedicated reference ground trace between power traces to maintain stable voltage on the reference ground pin.

Functional sheet layers with varying impedances eliminate sudden transitions at interfaces, reducing energy loss and reflection of electromagnetic waves.

A non-periodic electromagnetic band gap structure integrates planar conductor and transmission line units to suppress noise across two frequency bands.

Parallel subcapacitors reduce stray inductance and improve interference shielding without increasing output stray capacitance.

A circuit board wiring layer uses meander-shaped conductors to cancel electromagnetic noise through opposing magnetic fields.

Die press process forms Z-directed component bodies from substrate sheets with conductive channels for printed circuit board integration.

A differential signal trace length compensation method adds metal to cutouts associated with shorter traces to increase propagation time.

Reflowable conductive fillings in through holes enable reworkability, reducing fabrication costs and preventing electrical shorts.

Shielding housings with side openings form a gap that accommodates electronic components while preserving circuit board area.

A shielded flexible printed circuit integrates multiple RF conductors to maintain signal integrity in mobile devices.

Selective conductive layers coupled to grounded vias provide electromagnetic interference shielding on printed circuit boards.

Inner conductors mediate thermal expansion between resin layers and side-surface conductors to prevent peeling caused by mismatched coefficients.

Vacuum forming a conductive dielectric film around components reduces device thickness while maintaining effective RF shielding and heat dissipation.

A four-layer printed circuit board design uses area-based signal wiring on inner layers to control target impedance values.

Selective insulator molding on high voltage conductors prevents interference while avoiding unnecessary substrate size increases.

Slits in the suppression body divide electric fields, reducing noise coupling and suppressing radiated noise across a wide frequency range.

A connecting plate forms a coplanar waveguide transmission line to replace wire-bonding in optoelectronic devices.

Segmented top and bottom shielding layers reduce magnetic flux intrusion area, ensuring complete electromagnetic interference protection.

Grounded shield electrode crosses magnetic flux path between spaced substrates to suppress electromagnetic interference in compact modules.

Form-factor modulated signal traces reduce capacitance and stabilize insertion loss by suspending landing pads over recesses in the substrate.

Via voids prevent fillet formation, suppressing electrostriction noise and substrate warping.

Conductive posts link shielding layers to inner wiring traces, removing complex mounting grooves.

Combining dielectric layers with etched units reduces dielectric loss, enhancing electrical quality despite increased manufacturing complexity.

A waveguide structure uses open-ended transmission lines and conductive vias to create electromagnetic band gaps.

A chip resistor with an extended outrigger conducts heat to a circuit board ground plane for enhanced thermal performance.

Selective removal of dielectric bonding sheets around signal transmission lines reduces parasitic capacitance in printed circuit board structures.

A composite body embeds flush-mounted conductor elements into support plate recesses to connect with conductive paper tracks.