System for the treatment of edge supported substrates

Details System for the treatment of edge supported substrates System for the treatment of edge supported substrates

1985-09-13

1987-02-17

Pianalto, Bernard D.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

Radiant heating

118500, 198817, 198848, 198850, B05B 500

Patent

active

046431292

ABSTRACT:
A system for the thermal and/or liquid treatment of edge supported substrates, such as printed electronic circuit boards and hybrid circuits. The system includes an elongated tunnel treating chamber. The system includes a conveyor system comprised of a pair of lubricant-free chain conveyors supported for movement through the treating chamber on a pair of elongated tracks. The lubricant-free conveyor is comprised of a plurality of successively interconnected wire links each comprising a horizontal member in engagement with the top surface of the track, a pair of spaced apart generally vertical members spaced from the horizontal member and connected thereto and in loose engagement with the sides of the track, and an integral substrate-supporting pin extending outwardly from one of the vertical members. The pins of each conveyor are directed inwardly toward each other to support a substrate therebetween by its edges. The links are interconnected by virtue of the horizontal member of one link engaging the vertical members of an adjacent link.

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