A deformable yet mechanically resilient microcapsule having electrical properties, a method of making the microcapsules, and a circuit component including the microcapsules. The microcapsule containing a gallium liquid metal alloy core having from about 60 to about 100 wt. % gallium and at least one alloying metal, and a polymeric shell encapsulating the liquid core, said polymeric shell having conductive properties.

Provided is an electrical connection device (1) including a connector (2) having a hollow connecting cavity (21), each of two opposite sides of the connecting cavity is connected to a conductive plug (22) electrically coupled with the connecting cavity (21). The connecting cavity (21) is form by a plurality of flexible conductive materials. When in use, the grid-like connecting cavity (21) made of the flexible conductive materials can be elongated, compressed, or radially twisted, and is adaptive to changes in relative displacement at various angles at various angles in the axial direction or radial direction between different electrical connecting bases, thereby preventing degradation of performance of electrical connection due to the changes in relative displacement.

A hand-wearable device includes an elastic sheet including a first elastic layer and a second elastic layer facing each other; a sensor unit formed by printing a predetermined conductive liquid metal between the first elastic layer and the second elastic layer; a wire unit extending from the sensor unit and electrically connected to the sensor unit; an electrode substrate formed on one side of the wire unit and spaced apart from the wire unit by a predetermined distance; and a connection electrode formed by printing a predetermined conductive liquid metal between the wire unit and the electrode substrate.

A stacked structure for a stretchable device includes a stretchable layer including an elastic polymer, and a conductive layer on the stretchable layer and including a metal, wherein the stretchable layer includes a first depth region and a second depth region sequentially disposed in a depth direction from a surface of the stretchable layer that is in contact with the conductive layer and the first depth region includes the metal.

The purpose of the present invention is to provide a conductive paste for forming a stretchable conductor having washing durability. The conductive paste for forming a stretchable conductor of the present invention includes conductive particles and a flexible resin, wherein the flexible resin has a water content after being immersed in water of 40° C. for 24 hours of 5% by mass or less, and wherein the flexible resin is contained in an amount of 13% by mass to 35% by mass relative to total solids content in the conductive paste for forming a stretchable conductor.

A stretchable conductor includes a substrate with a first major surface, wherein the substrate is an elastomeric material. An elongate wire is on the first major surface of the substrate; the wire includes a first end and a second end, and further includes at least one arcuate region between the first end and the second end. At least one portion of the arcuate region of the wire in the region has a first surface area portion embedded in the surface of the substrate and a second surface area portion unembedded on the substrate and exposed in an amount sufficient to render at least an area of the substrate in the region electrically conductive. The unembedded second surface portion of the arcuate region may lie above or below a plane of the substrate. Composite articles including a stretchable conductor in durable electrical contact with a conductive fabric are also disclosed.

A stretchable conductor includes a substrate with a first major surface, wherein the substrate is an elastomeric material. An elongate wire is on the first major surface of the substrate; the wire includes a first end and a second end, and further includes at least one arcuate region between the first end and the second end. At least one portion of the arcuate region of the wire in the region has a first surface area portion embedded in the surface of the substrate and a second surface area portion unembedded on the substrate and exposed in an amount sufficient to render at least an area of the substrate in the region electrically conductive. The unembedded second surface portion of the arcuate region may lie above or below a plane of the substrate. Composite articles including a stretchable conductor in durable electrical contact with a conductive fabric are also disclosed.

The invention provides an elastic conductor which is excellent in stretchability and hardly causes a decrease in conductivity even when stretched. The elastic conductor includes an elastomer and two types of conductive particles, wherein the two types of conductive particles are flake-like particles and nanoparticles, and the conductive particles are dispersed throughout the elastomer.

This disclosure provides a stretchable conductor structure, a garment with a stretchable conductor structure, and a method for producing a stretchable conductor structure. The conductive structure includes a set of conductive wires and a stretchable laminate. The set of conductive wires, each including a protective surface, the set of conductive wires patterned in a mesh structure to accommodate a manipulation while providing electrical conductivity across the set of conductive wires. The stretchable laminate encapsulates the mesh structure, the stretchable laminate can return the mesh structure of the set of conductive wires to an original state after the manipulation.

The present disclosure provides a stretchable circuit substrate comprising: a base material being stretchable; a wiring which is on a first surface side of the base material, and which includes a bellows-like member including a plurality of ridges and recesses arranged in a first direction which is one of in-plane directions in the first surface of the base material; and an adjustment layer which includes the bellows-like member and is on the first surface side of the base material so as to at least overlap, in a plan view, a wiring region in which the wiring is positioned; wherein the adjustment layer has a Young's modulus smaller than a Young's modulus of the wiring.