Printed Circuit Details TRIZ Cases

Opposing current paths in battery FPCB power and ground wiring cut speaker EMI and noise in tightly stacked electronic devices.

A cured resin layer closes PCB through holes and fixes embedded components, avoiding temporary supports, residue, misalignment, and microcracks.

Laser drilling plus wet etching removes burrs from thin glass through holes, rounding edges to reduce stress concentration and breakage.

An aluminum-silicon-oxygen joint layer helps ceramic-copper circuit bases resist thermal cycling cracks while maintaining bonding and heat dissipation.

Spacers between signal and ground layers keep conductor spacing stable during bending, preventing impedance shift and dielectric loss.

Separating the chip inductor and directional coupler onto opposite substrate surfaces cuts RF module size while limiting interference and detection loss.

Trench-guided cutting separates filler-rich resin from the insulating layer to reduce delamination in CoWoS-L semiconductor package fabrication.

Orthogonal PCB and radiator interfaces enable dual-polarized RF transmission with shielded signal paths, less interference, and stable thermal behavior.

A folded integrated sensing board overlaps extension portions to cut signal noise, fit varied battery module shapes, and reduce waste.

A partially filled through hole leaves an escape space for trapped air, improving conductor contact reliability and supporting narrow-frame displays.

A spring element keeps waveguide-to-PCBA clamping force constant through thermal cycling and creep, preserving a gapless low-EMI interface.

Orthogonal multi-layer routing with matched parallel paths and coupling links preserves differential symmetry and improves signal integrity.

Segmented conductive bonding with staggered mounting conductors limits local bending and keeps characteristic impedance stable.

Recessed top-plate receptacles and ridges reshape slot antenna radiation patterns to tune beam width and gain without disrupting RF guidance.

A rolled flexible PCB filter uses EM-absorbing layers to cut electron temperature at sub-1K while saving space in quantum signal paths.

A folded flexible circuit board replaces complex thin-film 3D packaging steps, enabling die stacking with higher yield and lower cost.

Bent metal support portions shift shielding behind the plate to free more component mounting area while maintaining EMI suppression.

Timed control of dual conductive patterns lowers data signal strength during camera use to cut noise while preserving transmission reliability.

TSV-based vertical die connections replace wirebonds in stacked SER/DES chips, cutting parasitics, improving heat flow, and reducing package height.

A metal-film redistribution layer and protruding conductor vias carry heat away from sealed substrate-mounted components to improve reliability.

An integrated terminal with a displacement prevention part lets wires bond directly to the board connection while reducing parts and assembly steps.