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公开(公告)号:IT7925325D0
公开(公告)日:1979-08-29
申请号:IT2532579
申请日:1979-08-29
Applicant: IBM
Inventor: JOHN KENNEY EUGENE , JOSEPH LAZZARINI DONALD , JOHN WINTERS ROBERT
Abstract: Screen-printing composition containing an epoxy novolac, a phenoxy polymer, a liquid anhydride, colloidal silica, and a diluent. The composition is useful for coating substrates such as printed circuits and serves as a solder mask.