Treatment method and apparatus for printed circuit boards and th

Conveyors: power-driven – Conveyor section – Live roll

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134 64R, 134902, 198791, 20429823, 20429835, B65G 1302, C23C 1400, C25B 900, C25B 1100

Patent

active

055537006

ABSTRACT:
A method and apparatus for transporting thin materials, such as printed circuit boards, through an apparatus for treatment of said boards with an etchant, rinse or other chemical process step, including a transport conveyor having a plurality of rotation members with a specially configured rim for contacting the thin materials and moving them through the apparatus with a longer contact path in each rotation of a rotation member than the circumference of the rotation member.

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