TRANSOPAQUE FILM
POLYESTER-BASED FILM HAVING A LIGHT-SENSITIVE DIAZO EMULSION ON ITS SURFACE, WHICH FILM IS CAPABLE OF, UPON EXPOSURE TO ULTRA-VIOLET RADIATION, BEING USED AS A PHOTOTOOL TO EXPOSE PHOTOPOLYMERS ON PRINTED CIRCUIT BOARDS
Cancelled · August 8, 1989 · 73817963 ·