Abstract:
The invention relates to a method for producing electrodes for solar cells, the electrode being designed as an electrically conducting layer on a substrate (1) for solar cells. In a first step, a dispersion containing electrically conducting particles is transferred from a support (7) onto the substrate (1) by irradiation of the dispersion with a laser (9), and in a second step, the dispersion transferred onto the substrate (1) is dried and/or cured to form the electrically conducting layer.
Abstract:
The present invention relates to a method for producing transparent conductive oxides comprising the following steps in the sequence a-b-c: (a) Reacting at least one starting compound (A) containing at least one metal or semi-metal M and optionally a dopant (D) containing at least one doping element M', wherein at least one M' is not the same as M, in the presence of a block copolymer (B) and a solvent (C), forming a composite material (K), (b) optionally applying the composite material (K) onto a substrate (S) and (c) heating the composite material (K) to a temperature of at least 350°C, characterized in that the block copolymer (B) contains at least one alkylene oxide block (AO) and at least one isobutylene block (IB). The present invention also relates to transparent conductive oxides so obtained, use thereof in electronic components, as electrode materials and as material for antistatic applications. Finally, the present invention relates to electronic components containing the transparent conductive oxides.
Abstract:
The invention relates to a method for producing polymer-coated metal foils, comprising the following steps: (a) a base layer (7) is applied to a carrier foil (3) by means of a dispersion (5) containing particles that can be electroless-plated or electroplated in a matrix material; (b) the matrix material is at least partially dried and/or at least partially hardened; (c) a metal layer (19) is formed on the base layer (7) by subjecting the base layer (7) containing the particles that can be electroless-plated or electroplated to an electroless plating or electroplating process; (d) a polymer (23) is applied to the metal layer (19). The invention further relates to a use of the polymer-coated metal foil produced according to the invention for manufacturing printed circuit boards.
Abstract:
The present invention concerns a method of making a porous material comprising the following steps in the order a-b-c-d: (a) reacting at least one organosilane (A) with water in the presence of a solvent (C) to form a polymeric material, (b) subjecting said polymeric material to a first heat treatment, (c) bringing said polymeric material into contact with at least one dehydroxylation agent (D), (d) subjecting said polymeric material to electromagnetic radiation and/or to a further heat treatment. The present invention furthermore concerns the porous material obtainable by the inventive method, semiconductor devices and electronic components comprising said porous material, and the use of said material for electrical insulation and in microelectronic devices, membranes, displays and sensors.
Abstract:
The invention relates to a method for applying a metal layer to a substrate by deposition of a metal from a metallic salt solution, characterized in that the substrate surface comprises exfoliated graphite.
Abstract:
The invention relates to a process for the recovery of metals from electronic components which comprise at least one full-area or structured metallic coating on a substrate, with the at least one full-area or structured metallic coating having at least one layer of a magnetic or magnetizable material, wherein the process comprises the following steps: (a) comminution of the electronic components, (b) separation of the materials of which the electronic component is made, with the parts containing the magnetic or magnetizable material being separated off by means of a magnet.
Abstract:
The invention relates to a method for electrically contacting electrical components (122) on a carrier (110), said method comprising the following steps: (a) at least one dispersion (116) comprising electroconductive particles is applied in at least one region of the carrier (110); (b) at least one electrical component (122) is applied to the dispersion (116), and (c) the dispersion (116) is fully or partially metallised in a currentless and/or galvanised manner. The invention also relates to an electrical module (134) comprising at least one carrier (110) and at least one electrical component (122). The electrical component (122) is contacted on the carrier (110) using an inventive method. The invention further relates to a device for carrying out the inventive method, to a dispersion (116) for using in the inventive method, and to a use of said dispersion (116).
Abstract:
The invention relates to a device for electroplating at least one electrically conductive substrate or a structured or electrically conductive surface covering the whole area of a non-conductive substrate. Said device comprises at least one bath, an anode and a cathode. The bath contains an electrolyte solution, which comprises at least one metal salt and from which metal ions are deposited on electrically conductive surfaces of the substrate to form a metal layer, as the cathode is brought into contact with the surface of the substrate to be coated and said substrate is conveyed through the bath. The cathode comprises at least two discs (2, 4, 10) that are rotatably mounted on a respective shaft (1, 5, 14), said discs (2, 4, 10) intermeshing. The invention also relates to a method for electroplating at least one substrate, said method being carried out in a device according to the invention. The invention further relates to the use of said device for electroplating electrically conductive structures situated on an electrically non-conductive support.
Abstract:
The invention relates to a process for producing electrodes for solar cells, the electrode being configured as an electrically conductive layer on a substrate (1) for solar cells, in which, in a first step, a dispersion comprising electrically conductive particles is transferred from a carrier (7) to the substrate (1) by irradiating the dispersion with a laser (9) and, in a second step, the dispersion transferred to the substrate (1) is dried and/or hardened to form the electrically conductive layer.