To provide a flexible conductive base member and a multilayer conductive base member including the same, having no problem of failing to function as a contact and causing a variation in height between contacts.

There are a covered region 10 covered with a noble metal and a non-covered region 20 not circumferentially covered with a noble metal on a surface of a reticulated fibrous body 50. The covered region 10 is located at an intersection 7 of fibers 5 of the reticulated fibrous body 50, and the intersections 7 are connected to each other. The non-covered region 20 is located between the intersections 7 of the fibers 5 of the reticulated fibrous body 50.

The present application relates to the technical field of composite film, and more particularly, to a diaphragm composite material and a preparation method thereof. The diaphragm composite material includes a polyethylene naphthalate (PEN) film layer, an aluminum-plated film layer, an aerogel layer, and an elastic adhesive layer disposed between the PEN film layer and the aluminum-plated film layer for bonding the PEN film layer and the aluminum-plated film layer, the aerogel layer is coated on one side of the aluminum-plated film layer away from the elastic adhesive layer. The diaphragm composite layer of the present application has high strength and strong rigidity, has better vibration dampening and noise-reducing effects, and wear-resistant and corrosion-resistant effects, and is worthy of popularization.

A method of preparing a multi-layer assembly, or of protecting a surface of a multi-layer substrate from damage and/or contamination and/or debris, said method comprising the steps of: (i) providing a composite film comprising a polymeric base layer having a first and second surface and disposed on the first surface thereof a polymeric protective layer having a first surface and a second surface such that the first surface of the said base layer is in contact with the first surface of the polymeric protective layer, wherein said polymeric protective layer comprises an ethylene-based copolymer, and preferably wherein the polymeric base layer comprises a polyester derived from one or more diol(s) and one or more dicarboxylic acid(s); (ii) removing said polymeric protective layer from the first surface of said base layer; (iii) disposing on the exposed first surface of said base layer one or more functional layers to provide a multi-layer substrate, wherein the, or at least the uppermost, functional layer comprises zinc and/or tin in an amount of from about 5 to about 80 wt % of said functional layer; and (iv) disposing a polymeric protective layer comprising an ethylene-based copolymer onto the exposed surface of the, or at least the uppermost, functional layer comprising zinc and/or tin to provide a multi-layer assembly.

A layered device having two base films, a conductive pattern attached to the first base film facing the second base film and a bonding layer binding the first base film and the second base film together. The bonding layer includes an opening, and the conductive pattern having an exposed portion aligned with the opening in the bonding layer. Further disclosed is a spacer attached to the first base film and the exposed portion of the conductive pattern, wherein the spacer fills at least part of the space created by the opening in the bonding layer. Also disclosed is a method of producing a layered device.

Disclosed is a process for creating an elastic film or sheet by calendaring a composition, including a polymer and a fabric. The composition may include a polymer, a cotton, or a combination of both. The calendared composition can form tough, flexible films and sheets. The film and sheet can have optical and physical properties that make them suitable as a replacement for some PVC films. Also disclosed is a composition for calendaring including a fabric and a polymer.

A liquid crystal polymer composite film is formed from a resin composite including one or more liquid crystal polymers and one or more fillers. The liquid crystal polymer composite film has a thickness in the range of 10 μm-200 μm and a ratio of the in-plane dielectric permittivity in the machine direction to the transverse direction in the range of 1.0-1.4 over a frequency range of 1 Ghz to 10 Ghz. A metal-clad laminate includes the liquid crystal polymer composite film and a metal clad layer laminated to a major surface of the liquid crystal polymer composite film. The metal-clad laminate may be included as part of an antenna.

A vehicle lighting device, irradiating an interior space of a vehicle with light, includes a light emitting module configured to irradiate the interior space with light transmitted through an inner layer surrounding the interior space, wherein the light emitting module includes a substrate member formed of a flexible material, a circuit pattern printed on the substrate member and electrically conducted to the outside to receive a control signal and an applied voltage, a circuit element member configured to be coupled and electrically conducted to the circuit pattern to process the control signal and the applied voltage, and a light emitting diode (LED) member coupled to the substrate member and electrically conducted to the circuit pattern and the circuit element member to emit the light according to the control signal and the applied voltage transmitted thereto.

An electronic device of the present invention comprises: an exterior housing including a first surface facing a first direction, and a second surface facing a second direction opposite to the first direction; a display of which at least a part is exposed through the first surface; and a polymer plate which forms at least a part of the second surface of the housing. The polymer plate comprises: at least one opaque layer; at least one polymer layer that is translucent or transparent and is disposed on the at least one opaque layer; and a coating layer that is disposed on the at least one polymer layer and has a hardness greater than or equal to a selected hardness. Each of the at least one opaque layer, the at least one polymer layer, and the coating layer may comprise a first surface, and a second surface extending from the first surface so that at least a part thereof is bent. Other embodiments are also possible.

A polyurethane film comprising a polyurethane resin and graphene, wherein the graphene is present in an amount of 1 to 30% by weight on the total weight of the film and consists of graphene nano-platelets, wherein at least 90% has a lateral dimension (x, y) of 50 to 50000 nm and a thickness (z) of 0.34 to 50 nm, wherein the lateral dimension is always greater than the thickness (x, y>z), wherein the C/O ratio is ≥100:1, and a preparation process thereof.

A treatment instrument including a heat transmitter that includes a treating surface and an installation surface, a substrate attached to the installation surface, and a heat generator formed on a surface of the substrate. The substrate surface and heat generator together form an uneven surface. First and second adhesion layers formed of a material having thermal conductivity and electrical insulation are provided between the installation surface and the substrate. The first adhesion layer is in close contact with the installation surface, and the second adhesion layer is in close contact with the heat generator and the substrate surface. The second adhesion layer is inserted into a recess in the uneven surface formed by the heat generator on substrate surface so as to increase the contact area between the second adhesion layer and the uneven surface.