Abstract: A method and an apparatus for spraying a track, in particular a conductor track, onto a substrate under mild conditions, includes generating a cold plasma having a plasma temperature of less than 3000 K in a spray lance, introducing a powder into the spray lance with the aid of a carrier gas and leading the powder to a frontal exit opening, where it exits and impinges on the substrate. An electrical component including an electrically conductive conductor track applied to a substrate, is also provided.

Abstract: A method and an apparatus for spraying a track, in particular a conductor track, onto a substrate under mild conditions, includes generating a cold plasma having a plasma temperature of less than 3000 K in a spray lance, introducing a powder into the spray lance with the aid of a carrier gas and leading the powder to a frontal exit opening, where it exits and impinges on the substrate. An electrical component including an electrically conductive conductor track applied to a substrate, is also provided.

Abstract: The invention relates to a method and device for sandblasting, especially removing in a precise manner and/or compacting and/or coating solid surfaces, such as removing defective spots of paint from coats of lacquer, smoothing out soldered and welded joints, removal of contaminated concrete coatings or rust coatings, hardening, planing or coating metal surfaces, wherein a sandblasting agent is added by means of gravity and/or due to the effect of an injector to a carrier air flow produced by an underpressure, conveyed in a flexible hose- line system (13) to a jet lance (14) before being guided via a processing surface subject to low pressure by a sandblasting chamber, whereupon it is returned in the air flow, purified and returned to the circuit, whereby acceleration of the sandblasting agent is produced by the low pressure and the sandblasting chamber is displaced from one processing surface to another.

Abstract: The invention relates to a method and device for sandblasting, especially removing in a precise manner and/or compacting and/or coating solid surfaces, such as removing defective spots of paint from coats of lacquer, smoothing out soldered and welded joints, removal of contaminated concrete coatings or rust coatings, hardening, planing or coating metal surfaces, wherein a sandblasting agent is added by means of gravity and/or due to the effect of an injector to a carrier air flow produced by an underpessure, conveyed in a flexible hose-line system (13) to a jet lance (14) before being guided via a processing surface subject to low pressure by a sandblasting chamber, whereupon it is returned to the air flow, purified and returned to the circuit, whereby acceleration of the sandblasting agent is produced by the low pressure and the sandblasting chamber is displaced from one processing surface to another.

Abstract: The invention relates to a method and device for treating, especially cleaning, abrasive clearing or removing of coatings (1), graffiti or other superficial soiling on parts, work pieces or surfaces (3). A blasting means (2) is gravity fed from a holding container (11) to a carrying air stream (5) which is transported inside a hose guiding system constructed with outgoing and incoming lines. The blasting means are fed through said carrying air flow by low pressure, and, in a blasting chamber (25), are blasted against the surface (3) which is to be treated through a blasting lance (22). From the blasting chamber, said blasting means are transported back to the carrying air stream (5) in such a way that the blasting means (2) are circulated. The acceleration of the blasting means is essentially generated by the low pressure applied on the blasting chamber (25) and by increasing the blasting velocity in an acceleration section (L) by reducing the diameter of the outgoing line in the acceleration section (L).

Abstract: A negative pressure ring is formed around the surface to be cleaned and an air flow loaded with solid particles is directed onto the surface, which based on its kinetic energy treats the surface without mechanical support means such as brushes. At overpressure the air flow creates an air-cushion-like volume flow, rotating or travelling along predetermined paths, at negative pressure a volume flow is continuously guided over the surface to be cleaned. By admixing solid particles and cleaning and maintenance agents to the air flow, the substrate can be cleaned and maintained. With the process of the invention it is possible to perform several treatment steps in a single operation. The overpressure process works periodically, the negative pressure process in a complete closed cycle, wherein the solid particles are cleaned in an environmentally friendly manner and recycled into the process.