H05K2201/0245

BIDIRECTIONAL SELF-HEALING NEURAL INTERFACE AND MANUFACTURING METHOD THEREOF

Provided is a bidirectional neural interface having excellent elasticity and electrical conductivity improved by deformation, and further having self-healability and a method of manufacturing the same. The bidirectional neural interface includes a first elastic substrate, a neural electrode disposed on the first elastic substrate and including a conductive polymer composite, and a second elastic substrate disposed on the neural electrode, wherein the conductive polymer composite includes a matrix formed of a self-healing polymer material, and a plurality of electrical conductor clusters distributed in the matrix, wherein each of the electrical conductor clusters includes particles of a first electrical conductor, and a plurality of particles of a second electrical conductor formed of the same material as that of the first electrical conductor, distributed around each of the particles of the first electrical conductor and having smaller sizes than sizes of the particles of the first electrical conductor.

HEAT-RADIATING SUBSTRATE
20200369935 · 2020-11-26 ·

A heat-radiating substrate according to an embodiment of the present invention comprises: a first metal layer; an insulating layer disposed on the first metal layer and including an epoxy resin and an inorganic filler; and a second metal layer disposed on the insulating layer, wherein the insulating layer comprises: a first region comprising a first surface in contact with the first metal layer; and a second region comprising a second surface in contact with the second metal layer, wherein the inorganic filler comprises a boron nitride aggregate and aluminum oxide, wherein the weight ratio of the aluminum oxide to the total weight of the inorganic filler on the first face is 0.95 to 1.05 times the weight ratio of the aluminum oxide to the total weight of the inorganic filler on the second face.

Stretchable Interconnects for Flexible Electronic Surfaces

A conductive paste and method of manufacturing thereof. The conductive paste comprises conductive particles dispersed in an organic medium, the organic medium comprising: (a) a solvent; and (b) a binder comprising a polyester. The conductive paste typically comprises silver and may contain various other additives. A stretchable conductive layer can be formed by curing the conductive paste.

Conformal coating, composition and method for the mitigation of growth of metallic crystalline structures

A nanocomposite coating composition for use in the mitigation of whisker growth from a metallic surface (82) includes a polymer matrix (86) comprising a base polymer and insulating material nanoplatelets (85), for example clay nanoplatelets, within the polymer matrix (86). A conformal coating (84) for application to a metal surface (82) is formed from the coating composition. The conformal coating mitigates the spontaneous growth of whiskers (83), in particular tin whiskers, from the coated surface (82), reducing the risk of short-circuits caused by such whiskers bridging gaps within electronic devices. Methods are provided for the preparation of coating compositions and coatings.

Conductive ink for a rollerball pen and conductive trace formed on a substrate

A conductive ink for a rollerball pen comprises an aqueous solvent and conductive particles comprising one or more metals dispersed therein at a concentration of at least about 30 wt. %. The conductive particles include conductive flakes and conductive nanoparticles. A dispersant coats the conductive particles at a loading level of at least about 0.1 mg/m2 to about 0.8 mg/m2. A conductive trace deposited on a substrate from a rollerball pen comprises a percolative network of conductive particles comprising one or more metals. The conductive particles include conductive flakes and conductive nanoparticles. The conductive trace has a conductivity of at least about 1% of a bulk metal conductivity and a reflectance of greater than 40%.

TRANSPARENT CONDUCTIVE FILM

The application relates to a transparent conductive film (1) according to one embodiment, wherein the first transparent layer (31) having a first pattern of first electrodes is provided, e.g. deposited, on the first side (2a) of a transparent base film (2) and the second transparent layer (32) having a second pattern of second electrodes is provided, e.g. deposited, on the second side (2b) of the transparent base film (2). Further, the application relates to a method for producing a transparent conductive film. Further, the application relates to a touch sensing device and to different uses.

Stretchable interconnects for flexible electronic surfaces

A conductive paste and method of manufacturing thereof. The conductive paste comprises conductive particles dispersed in an organic medium, the organic medium comprising: (a) a solvent; and (b) a binder comprising a polyester. The conductive paste typically comprises silver and may contain various other additives. A stretchable conductive layer can be formed by curing the conductive paste.

SUBSTRATES COMPRISING A NETWORK COMPRISING CORE SHELL LIQUID METAL ENCAPSULATES COMPRISING MULTI-FUNCTIONAL LIGANDS

The present invention relates to substrates comprising a network comprising core shell liquid metal encapsulates comprising multi-functional ligands and processes of making and using such substrates. The core shell liquid metal particles are linked via ligands to form such network. Such networks volumetric conductivity increases under strain which maintains a substrate's resistance under strain. The constant resistance results in consistent thermal heating via resistive heating. Thus allowing a substrate that comprises such network to serve as an effective heat provider.

ARCHITECTED LIQUID METAL NETWORKS AND PROCESSES OF MAKING AND USING SAME

The present invention relates to architected liquid metal networks and processes of making and using same. The predetermined template design technology of such architected liquid metal networks provides the desired spatial control of electrical, electromagnetic, and thermal properties as a function of strain. Thus, resulting in improved overall performance including process ability.

FLEXIBLE PRINTED CIRCUIT AND METHOD FOR MANUFACTURING THE SAME
20200128666 · 2020-04-23 ·

A flexible printed circuit and a method for manufacturing the same are revealed. Modified functionalized graphene is used to prepare a functionalized graphene-based ink. Then the functionalized graphene-based ink is printed on a surface of a flexible plastic substrate to form a conductive trace pattern of a circuit. A layer of deposited copper is formed on a surface of the functionalized graphene-based ink by chemical copper plating. Since the functionalized graphene-based ink is used as catalyst for electroless copper plating, no hexavalent chromium (chromium (VI)) and palladium are required. Thus the present method has the advantages of environmental protection and low cost. The conductive trace pattern formed by the functionalized graphene-based ink has excellent adhesive capacity and higher flexibility so that it can be securely attached to the surface of the flexible plastic substrate and used as an adhesive between the copper deposition and the flexible plastic substrate.