IPC TMRC99R:1999

This 50+ page report details trends in conductor width and spacing, hole processing, electrical and optical testing, metallic finishes and solder mask usage; and trends in multilayer production, surface mounting and fine pitch technology. The report summarizes data received from 42 U.S. independent PWB manufacturers with sales of $3.0 billion, representing 37% of the total market for independent PWB manufacturers.