Patent classifications
H05K3/1216
PROCESS FOR MANUFACTURING AN ELECTRICALLY CONDUCTING DEVICE FROM LIGNOCELLULOSIC MATERIAL
A process for manufacturing an electrically conducting device from lignocellulosic material comprises the following steps: impregnating (S10) the lignocellulosic material with at least one filling compound so as to produce a composite substrate; and depositing (S12) at least one conducting layer on at least one surface of the composite substrate so as to produce an electrically conducting device.
Use of an electrically conducting device so produced for example particularly as a touch interface.
Method for manufacturing a component
The invention relates to a method for manufacturing a component (1) comprising a printed circuit board (2) and a number of electrical components (3) arranged thereon. According to the invention, the electrical components (3) are pre-fixed on the printed circuit board (2), which is formed of plastic, by means of a fixing adhesive (9) and then completely encapsulated with an UV-adhesive (8).
Support structure for lighting devices, corresponding lighting device and method
According to the present disclosure, a support structure for lighting devices, e.g. LED lighting devices, is provided with an electrically insulating core layer having a first and a second mutually opposed surfaces, with mounting locations for electrically-powered light radiation sources on the first surface, a network of electrically conductive lines printed on said first surface, at least some of said electrically conductive lines extending between the mounting locations and fixed locations on the first surface, and electrical distribution lines of electrically conductive material on the second surface of the core layer, and electrically conductive vias extending through core layer and electrically coupling the electrical distribution lines on the second surface with the electrically conductive lines at said fixed locations on the first surface.
Modular Deformable Platform
A modular deformable electronics platform is attachable to a deformable surface, such as skin. The platform is tolerant to surface deformation and motion, can flex in and out of a plane of the platform without hindering operability of electrical components included on the platform, and is formed via arrangement of discrete flexible tiles, with corners of adjacent tiles connected by a flexible connection material so that individual tiles can translate and rotate relative to each other. Interconnects disposed on bases of separate tiles electrically connect adjacent tiles via their connected corners, and electrically connect components disposed on different tiles. Each pair of adjacent corner connections defines an axis about which at least a portion of the platform can flex without deformation and without hindering connections between tiles. The flexible material and/or bases of the tiles can include Parylene.
CONDUCTIVE PASTE AND METHOD FOR PRODUCING CONDUCTIVE FILM USING SAME
After there is prepared a conductive paste which contains fine copper particles having an average particle diameter of 1 to 100 nm, each of the fine copper particles being coated with an azole compound, such as benzotriazole, coarse copper particles having an average particle diameter of 0.3 to 20 μm, at least one of a polyvinylpyrrolidone (PVP) resin and a polyvinyl butyral (PVB) resin, a chlorine compound, and a glycol solvent, such as ethylene glycol, the total amount of the fine copper particles and the coarse copper particles being 50 to 90% by weight, and the weight ratio of the fine copper particles to the coarse copper particles being in the range of from 1:9 to 5:5, the conductive paste thus prepared is applied on a substrate by screen printing to be preliminary-fired by vacuum drying, and then, fired with light irradiation by irradiating with light having a wavelength of 200 to 800 nm at a pulse period of 500 to 2000 μs and a pulse voltage of 1600 to 3800 V to form a conductive film on the substrate.
Textile-based printable electrodes for electrochemical sensing
Techniques and systems are disclosed for implementing textile-based screen-printed amperometric or potentiometric sensors. The chemical sensor can include carbon based electrodes to detect at least one of NADH, hydrogen peroxide, potassium ferrocyanide, TNT or DNT, in liquid or vapor phase. In one application, underwater presence of chemicals such as heavy metals and explosives is detected using the textile-based sensors.
Conductive composition for thin film printing and method for forming thin film conductive pattern
Provided are a conductive composition for thin film printing and a method for forming a thin film conductive pattern, which can easily performing thin film printing, and can capable of improve conductivity by thermal sintering at a comparatively low temperature of 300° C. or less or by photo irradiation. A conductive composition comprises metal particles, a binder resin, and a solvent, the content of an organic compound in the solvent being 5 to 98% by mass, the organic compound comprising a hydrocarbon group having a bridged cyclic structure and a hydroxyl group, the content of metal particles being 15 to 60% by mass, the metal particles containing 20% by mass or more of flat metal particles, the content of the binder resin being 0.5 to 10 parts by mass relative to 100 parts by mass of the metal particles, and the viscosity at 25° C. being 1.0×10.sup.3 to 2×10.sup.5 mPa.Math.s. The composition is printed in a pattern having any selected shape on a substrate, by screen printing, and the pattern is subjected to thermal sintering at a temperature of 300° C. or less and/or subjecting the pattern to pulsed light irradiation.
TOPOGRAPHY-BASED DEPOSITION HEIGHT ADJUSTMENT
A method for mounting a component (100) on a workpiece (106), the method comprising obtaining information regarding a surface topography of at least one of a mounting surface (102) of the component and a local surface (108) of the workpiece onto which the component is to be mounted. The method further comprises forming a plurality of deposits (110) of a viscous medium on at least one of the mounting and local surfaces, wherein each of the plurality of deposits has a height (/½, /½, h3) based on the obtained information, and is formed by individually applying at least one droplet (234) of the viscous medium (232) using non-contact dispensing. The method further comprises placing the component on the substrate, such that the plurality of deposits of viscous medium forms a connection between the component and the workpiece.
GLASS SUBSTRATE PROVIDED WITH COPPER-BASED CONDUCTIVE STRIPS
A glazing includes at least one glass sheet provided on one of the faces with an electrical network having resistance strips and collector strips, in which at least one portion of one face includes at least one strip obtained from an electrically conductive composition including a silver paste, the strip being in contact with another strip obtained from an electrically conductive composition including a copper paste, the other strip obtained from an electrically conductive composition including a copper paste being completely covered with a protective enamel layer.
Making an aluminum nitride heater
A method of making a heater includes an aluminum nitride base having equal to or less than 1% impurities, particularly one embodiment having none of polybrominated biphenyl, polybrominated diphenyl ether, hexabromocyclododecane, polyvinyl chloride, chlorinated paraffin, phthalate, cadmium, hexavalent chromium, lead, and mercury. The base is fired in a heating unit before any layering. Thereafter, on a topside and backside of the base a conductor layer is layered and allowed to settle and dry before firing. Next, a resistive layer is layered on the base from a resistor paste such that the resistive layer connects to the conductor layer on the topside. The resistor paste is allowed to settle and dry and then the base with the conductor and resistor layers is fired. At least four layers of glass are layered next over the resistive layer, each instance thereof including layering a glass, drying the glass and firing.