Photoresist composition and printed circuit boards and...

Details Photoresist composition and printed circuit boards and... Photoresist composition and printed circuit boards and...

G - Physics

03

C

96/150, 356/3

G03C 1/72 (2006.01) G03F 7/004 (2006.01) G03F 7/038 (2006.01) H05K 3/02 (2006.01) H05K 3/28 (2006.01) H05K 3/18 (2006.01)

Patent

CA 1289803

PHOTORESIST COMPOSITION AND PRINTED CIRCUIT BOARDS AND PACKAGES MADE THEREWITH ABSTRACT A photocurable composition which is useful as a permanent resist in the manufacture of printed circuit boards and packages of such boards comprises a multifunctional epoxidized resin, a reactive diluent, a cationic photoinitiator and, optionally, an exposure indicator, a coating aid and a photosensitizer. EN985050

517037

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