Methods and devices are contemplated incorporating both high resistance conductive materials (HRCM) and conductors. A HRCM is deposited on a conductor, such that the surface between the HRCM and the conductor is relatively smooth. A dielectric material is then deposited onto an exposed surface of the HRCM. The surface of the HRCM meeting the dielectric material is roughed or otherwise impressed such that it has a Ra of at least 5 μm. The ratio of resistivity between the HRCM and the conductor is at least 50:1 or 100:1, and the ratio of conductivity between the conductive material and the resistive material is at least 9:1, 19:1, or 99:1.

Methods and devices are contemplated incorporating both high resistance conductive materials (HRCM) and conductors. A HRCM is deposited on a conductor, such that the surface between the HRCM and the conductor is relatively smooth. A dielectric material is then deposited onto an exposed surface of the HRCM. The surface of the HRCM meeting the dielectric material is roughed or otherwise impressed such that it has a Ra of at least 5 μm. The ratio of resistivity between the HRCM and the conductor is at least 50:1 or 100:1, and the ratio of conductivity between the conductive material and the resistive material is at least 9:1, 19:1, or 99:1.

A highly-dielectric, elastic structure includes an elastic body that is highly-dielectric and includes a polymer matrix that including 1000 pbw of a polydimethylsiloxane (PDMS) base and 100 pbw of a PDMS curing agent, and has a tensile strength of 0.1 to 10 MPa; and 22.4 pbw of carbon black that is surface-treated with octadecyltrimethoxysilane (ODTMS) in an amount of at least 0.707 mmol per 22.4 pbw of the carbon black, and that is dispersed in the polymer matrix and cured; and an adhesive electrode that is stretchable, that is disposed on the elastic body, and that includes a polymer adhesive including a 500 pbw of a thermosetting silicone-based polymer adhesive including a curable polymer and a curing agent; and a conductive filler comprising 500 pbw of silver particles and 4000 pbw of a carbonaceous material that is a multi-walled carbon nanotube that are dispersed in the polymer adhesive and cured.

A highly-dielectric, elastic structure includes an elastic body that is highly-dielectric and includes a polymer matrix that including 1000 pbw of a polydimethylsiloxane (PDMS) base and 100 pbw of a PDMS curing agent, and has a tensile strength of 0.1 to 10 MPa; and 22.4 pbw of carbon black that is surface-treated with octadecyltrimethoxysilane (ODTMS) in an amount of at least 0.707 mmol per 22.4 pbw of the carbon black, and that is dispersed in the polymer matrix and cured; and an adhesive electrode that is stretchable, that is disposed on the elastic body, and that includes a polymer adhesive including a 500 pbw of a thermosetting silicone-based polymer adhesive including a curable polymer and a curing agent; and a conductive filler comprising 500 pbw of silver particles and 4000 pbw of a carbonaceous material that is a multi-walled carbon nanotube that are dispersed in the polymer adhesive and cured.

Disclosed are a high performance stretchable electrode having a double layer structure with flexibility and high coverage, as well as a manufacturing method thereof. The stretchable electrode of the present invention has excellent performance based on high coverage. Therefore, the present invention may provide a high performance stretchable electrode with high conductivity and low gauge factor by selectively adjusting flexibility of the electrode.

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.

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.

Provided is a fabric including a plurality of fibers disposed in a fabric configuration. At least one of the fibers comprises a device fiber having a device fiber body including a device fiber body material, having a longitudinal axis along a device fiber body length. A plurality of discrete devices are disposed as a linear sequence within the device fiber body along at least a portion of the device fiber body length. Each discrete device includes at least one electrical contact pad. The device fiber body includes device fiber body material regions disposed between adjacent discrete devices in the linear sequence, separating adjacent discrete devices. At least one electrical conductor is disposed within the device fiber body along at least a portion of the device fiber body length. The electrical conductor is disposed in electrical connection with an electrical contact pad of discrete devices within the device fiber body.

Provided is a fabric including a plurality of fibers disposed in a fabric configuration. At least one of the fibers comprises a device fiber having a device fiber body including a device fiber body material, having a longitudinal axis along a device fiber body length. A plurality of discrete devices are disposed as a linear sequence within the device fiber body along at least a portion of the device fiber body length. Each discrete device includes at least one electrical contact pad. The device fiber body includes device fiber body material regions disposed between adjacent discrete devices in the linear sequence, separating adjacent discrete devices. At least one electrical conductor is disposed within the device fiber body along at least a portion of the device fiber body length. The electrical conductor is disposed in electrical connection with an electrical contact pad of discrete devices within the device fiber body.

A manufacturing method of an anisotropic conductive film and an apparatus thereof are provided. The manufacturing method of an anisotropic conductive film includes steps of: (a) providing a first substrate having metal contacts; (b) disposing a resin layer on the first substrate and covering the metal contacts; (c) providing a press head having a suction pattern arranged corresponding to the metal contacts; (d) sucking the conductive particles by the press head; and (e) pressing the conductive particles into the resin layer by the press head. The conductive particles are disposed corresponding to the metal contacts of the substrate, so that the problem about the short circuit between contacts can be improved, and the product yield and reliability can also be improved.