| 摘要 |
PCT No. PCT/EP95/01790 Sec. 371 Date Nov. 12, 1996 Sec. 102(e) Date Nov. 12, 1996 PCT Filed May 11, 1995 PCT Pub. No. WO95/31590 PCT Pub. Date Nov. 23, 1995The printed circuit boards (LP) are conducted through treatment baths (BB1 through BB3) in vertical attitude on at least two horizontal conveying paths (TW1 through TW4) proceeding next to one another, these treatment baths being accommodated in treatment cells (BZ10 through BZ13, BZ20 through BZ23, BZ30 through BZ33) that are arranged successively and next to one another. The end walls of the treatment cells are provided with vertical slots (S) and allocated seals (D) for the passage of the printed circuit boards. The bath liquid emerging from treatment cells arranged next to one another is collected in common collecting tanks (AW1 through AW3) and is returned into the treatment cells with the assistance of pumps (P). A common treatment cell for treatment zones lying next to one another can also be provided in a common collecting tank. The conveying of the printed circuit boards on the conveying paths lying next to one another preferably ensues with a common conveyor device. A cost-beneficial doubling or, respectively, multiplication of the printed circuit board throughput derives due to the two-lane or multi-lane treatment.
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