Cross-Talk/Noise/Interference Reduction TRIZ Cases
- Roughened Shielding Layer for Multilayer Wiring Boards
Multilayer wiring board with a concave portion and an electromagnetic shielding layer featuring a roughened surface.
- PCB Shield Trap Filter for High-Frequency Noise Suppression
Shielded PCBs integrate trap filters into power supply wiring to attenuate high-frequency clock signals, reducing electromagnetic radiation above 20 GHz.
- Tape Distribution Substrate EMI Reduction via Dummy Patterns
A tape distribution substrate uses dummy patterns to minimize electromagnetic interference between adjacent signal lines.
- Optical Module Flexible Substrate Coplanar Line Design
A flexible substrate uses asymmetric coplanar lines to maintain balanced electromagnetic fields.
- Circuit Board Heat-Transfer Body for Warpage Reduction
A circuit board embeds a column-shaped heat-transfer body within an insulating part to improve thermal conduction.
- Ring-Shaped Through-Via-Hole Array for PCB Noise Suppression
A ring-shaped through-via-hole array structure creates an omnidirectional noise suppression frequency band between power planes.
- Embedded Package Shielding via Core Layer Integration
Integrating a conductive shield into the core cavity eliminates bulky external casings, reducing package volume and manufacturing costs while mitigating EMI.
- Electronic Control Unit Grounding via Exposed Heatsink Fastener
Exposed ground pattern connects to heatsink through fastener, resolving insulation trade-offs while reducing noise and improving heat dissipation.
- Top-Hat Rail Electric Assembly Thermal Dissipation
Multi-layer carrier with metal plate dissipates heat from power supply components, eliminating separate heat sinks and reducing installation space.
- Embedded Capacitive Stack for High-Density Decoupling
Nanopowder-loaded dielectric layers increase capacitance density while segmented regions prevent interference between high-power devices.
- Circuit Board Shielding Zone Groove EMI Reduction
Grooves define shielding zones on circuit boards to contain insulating encapsulation layers and prevent overflow into adjacent areas.
- Chip Capacitor Segmented Electrodes for POP Soldering
Segmented terminal electrodes isolate tin plating to prevent flow during reflow soldering and maintain wettability on packaging board connections.
- Buried Ceramic Capacitor for Multi-Core Power Supply
Segmented capacitors embedded in the board core provide independent power to multi-core processors, reducing thermal stress and manufacturing complexity.
- Substrate-Integrated Components for Microelectronic Package Thermal and EMI Management
A microelectronic package integrates inductors and shield elements within the substrate to reduce z-height and X-Y area.