Device for producing a metered, brief reduced-pressure gas pulse

摘要

A device for producing a metered, brief reduced-pressure gas suction pulse, especially for sucking solder paste into holes in circuit boards during the production of thick-film circuits, having a reduced-pressure chamber which is arranged underneath the circuit board and is connected to a suction line in which a reduced-pressure valve is located. The suction line (115) is connected to an ejector nozzle (111) which opens into a compressed-air line (101).