Flux management system

B - Operations – Transporting – 23 – K

Patent

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Details

B23K 1/008 (2006.01)

Patent

CA 2306623

Volatile organic components are controlled in electronic component assembly processes to prevent deposits on finished circuit boards and the like. The method of controlling the components in a machine having a plurality of enclosed heating zones followed by at least one cooling zone containing gas, and a conveyor for passing circuit boards therethrough on a conveyor path, comprises the steps of removing a portion of gas from at least one of the heating zones, cooling and filtering the portion of gas remote from the heating zones and the cooling zone to condense at least some of the volatile components in the portion of gas, and returning the cooled and filtered portion of gas to at least one other zone of the heating zones and the cooling zone.

La présente invention concerne un système de contrôle des composants organiques volatiles dans des procédés d'assemblage d'éléments électroniques afin d'empêcher la formation de dépôts sur des plaquettes apprêtées et autres. La méthode de contrôle des composants dans une machine ayant une pluralité de zones de chauffage fermées suivies d'au moins une zone de refroidissement contenant du gaz, et un moyen d'acheminement permettant de faire passer des plaquettes à travers ces zones sur un parcours de convoyage, comporte les étapes suivantes: retrait d'une partie du gaz d'au moins une zone de chauffage ; refroidissement et filtration de la portion de gaz à distance des zones de chauffage et de la zone de refroidissement afin de condenser au moins certains des composants volatiles dans la portion de gaz, et restitution de la portion de gaz refroidie et filtrée à au moins une autre des zones de chauffage et à la zone de refroidissement.

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