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Carbon Black Dispersion Pre-Plating Technology for Printed Wire Board Manufacturing, Final Technology Evaluation Report.

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This project compared chemical use, waste generation, cost, and product quality between electroless copper and carbon-black-based preplating technologies at the printed wire board (PWB) manufacturing facility of McCurdy Circuits in Orange, CA. The carbon-black based preplating technology evaluated is used as an alternative process for electroless copper (EC) plating of through-holes between electrolytic copper plating. The specific process used at McCurdy is the Blackhole(BH) technology process, which uses a dispersion of carbon black in an aqueous solution to provide a conductive surface for subsequent electrolytic copper plating. The carbon-black dispersion technology provided effective waste reduction and long-term cost savings. The economic analysis determined that the new process was cost efficient because chemical use was reduced and the process proved more efficient; the payback period was less than 4 years.

Descriptors:
Metal finishing; Metals; Electroplating; Printed circuit boards; Electronics
Date:
Reference #:
1993
S.93.9
Availability:
Yes
EPA Office:
Office of Solid Waste and Emergency Response
Office Suboffice:
Waste Minimization, Destruction, and Disposal Research Division
Office Division:
Risk Reduction Engineering Laboratory
EPA Author:
Oppelt, E. Timothy
Document Type:
Cost Analysis
Contractors:
Battelle
Document Status:
Final
Pages:
34

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