A blank printed circuit board (10), for creating a circuit pattern thereon by direct imaging with infrared radiation. The blank printed circuit board (10) includes in sequence an insulating substrate (20), a metal layer (21), a resist layer (22) and a mask layer (23). The resist layer (22) has been deposited...http://www.google.es/patents/US6579660?utm_source=gb-gplus-sharePatente US6579660 - Process for direct digital printing of circuit boards
Process for direct digital printing of circuit boards
