DuPont Printed Circuit Materials introduces Riston LDI7200 and Riston LDI8000, LDI dry-film photoresists for advanced printed wiring boards. LDI7200 is designed for use with 355-nm LDI equipment. It combines enhanced adhesion and precise plating with clean and fast stripping, increasing productivity. LDI8000 was design for use with 405-nm light sources. It has a photospeed of 13 mJ/cm2~ and excellent resolution with wide exposure latitude. Features include good conformity, vivid printout image and strong tenting with excellent hold time stability. www.DuPont.com