Abstract: According to the invention, blind holes (27) and not through-holes are produced. For this purpose, the substrate (10) to be pierced or perforated is previously covered with a layer (12) less absorbing for the laser perforating beam (26) than the substrate.Application to the production of electronic circuits, magnetic recording devices, etc.

Abstract: The disclosure concerns electromagnetic delay lines of the type having localized constants and being formed by a cascade of derived m networks. The chokes of the delay line are arranged in a folded line, the chokes of two consecutive networks being separated by a distance determined to obtain the desired parameter m, two non-neighboring chokes being separated by a distance sufficient to make their coupling negligible.

Abstract: The disclosure concerns solid electrolyte capacitors, the anode part of which is formed by etched and oxidated metallic foils. The electrolyte of these capacitors is formed by a material deposited in lacquer form on the metallic foils.

Abstract: A device for the distribution of a large number of element on a tray housed in a container for these elements. The elements are distributed by a mechanical action communicated to the container during a specified period. The device has a system which functions in a learning mode by the recording of parameters of mechanical action and by the storing of these parameters. This system also enables the automatic functioning of the device according to the recorded parameters.

Abstract: A method for fabricating magnetic recording/reading heads. A substrate made of magnetic material is provided with a groove of a predetermined width. The surface of the substrate bearing the groove becomes the active face for the magnetic head. The face of the substrate having the groove is ground, and then filled with a non-magnetic material to form a gap. The filling causes the non-magnetic material to jut out of the groove. The material which juts out is ground off until the level of the substance is reached.

Abstract: The electrical component of the invention is such that, being of parallelepipedic form, each of at least two of its mutually opposite lateral faces is equipped with an element of each of the two connecting electrodes of the component.

Abstract: According to the disclosed method for the soldering of wires of components, at least one wire is stamped to make it lose its symmetry of revolution. The result thereof is one or more impressions. A solder strip is crimped by deformation around the wire to form a solder preform held still by the impressions, which leaves free a surface of the wire. The component to be soldered, held against said surface of the wire, is soldered by reflow process. Application: the soldering of components such as disk ceramic capacitors.

Abstract: A method for the fabrication of aluminium electrolytic capacitors with solid or gelled liquid electrolyte, as well as the capacitor obtained by this method are disclosed. The method comprising the following steps:the obtaining of a connections strip made of aluminium, having anode contacts,the fixing, to the anode contacts, of aluminium blocks either by sintering or by the spraying of molten aluminium,the anodization of the aluminium blocks;the impregnation of the blocks with the electrolyte;the positioning of the cathode contacts.

Abstract: A method for the manufacture of an inductive chip of the type with a wire coiled around a core comprises the following steps:(a) Fixing the core to a connecting strip made of a metallic material, the strip being provided with slots by which electrical connections can be obtained on either side of the component,(b) Winding a wire around the fixed core,(c) Soldering each end of the wire to each part of the strip designed to form the electrical connections,(d) Coating the wound core, with the connecting strip acting as a mould joint for the moulding process,(e) Cutting out the connecting strip to set off the limits of each component and the parts intended to form the external electrical connections,(f) Folding and fixing the parts delimited in the previous step of the component.

Abstract: A method for forming a cell and a cell for an electric double layer capacitor includes a membrane formed from a solid protronic conducting electrolyte separating two electrodes. Each electrode is a composite electrode formed by a mixture of at least one electronic conductor and a solid electrolyte. Preferably, the solid electrolyte of the composite electrodes and the membrane is chosen from a group consisting of uranyl phosphate H.sub.3 O UO.sub.2 PO.sub.4 3H.sub.2), zirconium phosphate Zr(HPO.sub.4).sub.2 nH.sub.2 O, or derivatives of these compounds.

Abstract: The invention concerns the manufacture of electrolytic capacitors mainly in the form of chips or components which are transferable when lying flat, wherein the manufacturing method comprises the following steps:obtaining a capacitive strip through spool on a large-diameter wheel;schooping the lateral faces of the strip;removing the strip;delimiting the capacitive blocks through cutting out;impregnating by an electrolyte;putting in place of capacitive blocks on connecting means;coating the blocks;forming and crimping the electrodes.

Abstract: The present invention concerns a high current capacitor and a method for producing the same, said capacitor being of the type obtained by winding at least two metallized dielectric films, while electrical connections are provided by schooped areas on the lateral edges of the films and by a connecting terminal for connecting each schooped area with an external circuit, said terminal being constituted by a cap-shaped element which covers the schooped area and is electrically connected thereto by a conductive element; the invention applies particularly to protection capacitors for trigger extinction thyristors.