| 摘要 |
A METHOD AND APPARATUS (10) FOR TRANSPORTING THIN MATERIALS, SUCH AS PRINTED CIRCUIT BOARDS (24), THROUGH AN APPARATUS FOR TREATMENT OF SAID BOARDS WITH AN ETCHANT, RINSE OR OTHER CHEMICAL PROCESS STEP, INCLUDING A TRANSPORT CONVEYOR HAVING PLURALITY OF ROTATION MEMBERS (31) WITH A SPECIALLY CONFIGURED RIM (34) FOR CONTACTING THE THIN MATERIALS (24) AND MOVING THEM THROUGH THE APPARATUS WITH A LONGER CONTACT PATH IN EACH ROTATION OF A ROTATION MEMBER (31) THAN THE CIRCUMFERENCE OF THE ROTATION MEMBER.
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