Polyimide or epoxy-glass stiffeners can be laminated in place for additional support and strain relief. Laser processing, used in board manufacture, supports precision drilling down to 0.002 in. diameters for micro-via and blind-via-multilayer circuits.

Tech-Etch, Inc., 45 Aldrin Road, Plymouth, MA 02360, (508) 747-0300, www.tech-etch.com