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Wave Solder Flux Automatic Feed System

IP.com Disclosure Number: IPCOM000044778D
Original Publication Date: 1984-Aug-01
Included in the Prior Art Database: 2005-Feb-06

Publishing Venue

IBM

Related People

Authors:
Cheng, JC Gray, AH [+details]

Abstract

The figure shows the wave solder flux automatic feed system. A flux reservoir 2 feeds liquid flux through a valve 4 over the line 6 by gravity to the flux pot 8. The flux from line 6 is controlled to flow into the flux pot 8 by means of the float valve 9. Modules whose pins are to be tinned by means of reflowing the solder on their surface must have a fluxing material added to remove the accumulation of oxides and other debris. The modules pass along the path 10 above the flux pot 8 and a foaming device 12 creates a foamed medium for the flux in the flux pot 8 which comes into contact with the pins on the modules passing along the path 10.