Abstract: An electrical contact element with an integrated sensor is provided. The contact element has a groove, at least a portion of which extends on a plug-in side of the contact element. An optical fiber is provided in the groove. The optical fiber is designed in such a way as to be suitable as a sensor for measuring the temperature or the air humidity.

Abstract: An electrical contact element with an integrated sensor is provided. The contact element has a groove, at least a portion of which extends on a plug-in side of the contact element. An optical fiber is provided in the groove. The optical fiber is designed in such a way as to be suitable as a sensor for measuring the temperature or the air humidity.

Abstract: The invention relates to a galvanic bath for depositing a nickel-molybdenum alloy which consists of an aqueous solution of amine complexes and/or ammonium complexes in each case of nickel and/or molybdenum, the galvanic bath containing citric acid and/or citrate ions and/or oxidation products of the citric acid and/or the citrates, and molybdenum being present in different oxidation stages, in particular as Mo(V) and Mo(VI), in the galvanic bath.

Abstract: The invention relates to a method for producing an electric contact element, the base of the contact element being made of a metal substrate which undergoes the following method steps in the listed order: a. a cold and/or hot and/or electrolytic degreasing of the substrate, b. an activation of the surface of the substrate i. in a nickel strike bath or ii. in a fluoride-containing activation solution or iii. in a fluoride-free activation solution, c. a galvanic deposition of an intermediate layer i., wherein a galvanically deposited nickel layer or ii. a nickel alloy layer, or iii. a copper alloy layer is applied as the intermediate layer, and d. an electrolytic deposition of a gold alloy layer in a direct and/or pulse current method in which the current density ranges from 0.3 to 0.6 A/dm2.

Abstract: The invention relates to a method for manufacturing electrical contact elements, wherein the contact element is substantially made from a base body, wherein the base body is subjected to the following method steps in the order listed: a. degreasing the surface, for example by cold degreasing and/or hot degreasing and/or electrolytic degreasing, b. washing in order to remove any present chemical residues, c. activating the surface, d. depositing a nickel layer, e. further washing in order to remove any present chemical residues, f. depositing a nickel layer, g. further washing in order to remove any present chemical residues, h. depositing a gold layer or a gold alloy.

Abstract: The invention relates to a connection module for telecommunications and data systems, comprising a base plate, on which connection modules for optical fibres or electric conductors can be arranged. According to the invention, the connection modules and the base plate have corresponding fixing elements and the base plate is provided with at least one connection module for optical fibres and at least one connection module for electric conductors. The invention also relates to a suitable connection module for the optical fibres and to a method for connecting said optical fibres.