PCB electrostatic lacquering appts

The electrostatic lacquering of printed circuit boards (3) is carried out by continuously conveying the boards in a suspended position through lacquer at a station (2) on one side. The boards are then turned over at turning station (6), and lacquered at a second station (7) on the other side. The tw...

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Bibliographische Detailangaben
1. Verfasser:	KORSTEN, GUENTER, 4010 HILDEN, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS NOZZLES PERFORMING OPERATIONS PRINTED CIRCUITS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The electrostatic lacquering of printed circuit boards (3) is carried out by continuously conveying the boards in a suspended position through lacquer at a station (2) on one side. The boards are then turned over at turning station (6), and lacquered at a second station (7) on the other side. The two layers of lacquer are immediately dried simultaneously in a drying oven (9). By turning the boards in between lacquering of the respective surfaces, the lacquer spraying nozzles (2,7) need be disposed on one side only of the conveying path. Pref. a suction filter (8) for removal of residual lacquer has a metal plate (40) to trap most of the lacquer before it reaches a filter paper (100) .