公开(公告)号：US3595654A

公开(公告)日：1971-07-27

申请号：US3595654D

申请日：1968-05-29

申请人： CONTINENTAL CAN CO

发明人： HAWLEY STEPHEN R ,  BARTOSCH BERNARD M

IPC分类号： G03C5/40 ,  G03F3/10 ,  G03C5/00

CPC分类号： G03C5/40 ,  G03F3/107

摘要： COLOR PROOFS, COLORED FACSIMILES OF A COLORED DESIGN WHICH IS TO BE PRINTED ON AN ARTICLE, ARE PREPARED BY EXPOSING A PHOTOGRAPHIC FILM HAVING A TRANSPARENT BASE TO AN IMAGE OF THE DESIGN. THE FILM IS DEVELOPED, BUT NOT FIXED, AND THEN CONTACTED WITH AN ETCHIG SOLUTION TO REMOVE THE EXPOSED AREAS OF THE EMULSION LAYER. THE ETCHED FILM IS THEN FIXED AND COLORING MATERIAL APPLIED THERETO, THE COLORING MATERIAL ADHERING TO THE NON-ETCHED (UNEXPOSED) AREAS OF THE EMULSION.