Circuit Bendability/Stretchability TRIZ Cases

A wearable device uses a movable detection electrode to collect electrocardiosignal data from multiple body positions.

Resin tunnels preserve insulation layer thickness in thinned bending regions, preventing cracks during repetitive folding.

Buffer regions with torsion portions absorb deformation from assembly tolerances, preventing crack propagation in printed circuit boards.

Step-like insulating shoulders in a flexible circuit board allow selective electrical connections, reducing manufacturing complexity for medical devices.

An overhanging electronic component island design decouples rigid electronics from a flexible substrate via a single connection-support pad.

Auxetic mesh substrates expand laterally when stretched, reducing image distortion while temporary tethers hold the structure until assembly.

Relocating grounding from the display border to the edge prevents surface protrusion and burn-in while maintaining rigidity.

Segmented bent portions in a flexible circuit board distribute bending stress, preventing cracks and short circuits in COF modules.

Distinct insulating layer thicknesses and a specific boundary angle prevent photolithographic defects while maintaining wiring trace reliability.

A flexible stretchable structure uses a substrate layer and metal layer with conductive gel for electrical connectivity.

A conductive support washer stiffens thin conductor tracks at contact regions to prevent mechanical deformation during pin insertion.

A flexible substrate connects input and output terminals at different heights to spatially separate transmission and reception signals within an optical module.

Bend elastomer substrate with controlled tensile modulus then plate conductive pattern to prevent breakage during expansion.

Room-temperature polymer casting transfers graphene circuits to biodegradable substrates without thermal damage or chemical etching.

Waveform structures on the flexible printed circuit board cross-section absorb external forces, preventing conductive layer breakage during device vibration.

A transmission control unit electronic module uses a media-tight lacquer coating to protect semiconductor components and connecting elements.

A component carrier features a metal layer covering at least 75% of its bendable portion to enhance mechanical robustness.

Reducing the first boundary extension length in the bending area enlarges rounded corners while maintaining wiring coverage and reducing stress concentration.

A flexible printed circuit board uses a protruding lead portion to connect directly to an optical module substrate without vias.

An extension layer buffers stress between a hard member and stretchable wiring line on a flexible substrate.

A stretchable anisotropic conductive film bonds a fabric circuit electrode to a chipset, enabling reliable electrical connections on flexible wearable substrates.