Abstract: The present invention is directed to a permanent photoimageable compositions and the cured products thereof useful for making negative-tone, permanent photoresist relief patterns on low surface energy polymer substrates, comprising: (A) one or more alkali soluble, film forming resins or one or more film forming resins that become soluble in alkali solutions by action of an acid, (B) one or more cationic photoinitiators, (C) one or more film casting solvents, and (D) one or more fluorinated compounds. The present invention is also directed to methods of forming a permanent photoresist relief pattern on a low surface energy polymer substrate using the disclosed compositions.

Abstract: The present invention is directed to a permanent photoimageable compositions and the cured products thereof useful for making negative-tone, permanent photoresist relief patterns on low surface energy polymer substrates, comprising: (A) one or more alkali soluble, film forming resins or one or more film forming resins that become soluble in alkali solutions by action of an acid, (B) one or more cationic photoinitiators, (C) one or more film casting solvents, and (D) one or more fluorinated compounds. The present invention is also directed to methods of forming a permanent photoresist relief pattern on a low surface energy polymer substrate using the disclosed compositions.

Abstract: The present invention is directed to a permanent epoxy photoresist composition useful for making negative-tone, permanent photoresist relief patterns on low surface energy polymer substrates, comprising: (A) one or more epoxy resins according to Formulas I-VI, (B) one or more cationic photoinitiators; (C) one or more film casting solvents; and (D) one or more fluorinated compounds. The present invention is also directed to methods of forming a permanent photoresist relief pattern on a low surface energy polymer substrate using the disclosed composition.

Abstract: The present invention is directed to a printable composition, comprising: 0.5 to 60 wt % of a polymer selected from the group consisting of epoxy, Novolac and poly(dimethylglutarimide); and 40-99.5 wt % of a solvent composition comprising (1) a high boiling point solvent having a flash point greater than about 10° C. and a boiling point greater than about 130° C. and (2) a low boiling point solvent having a flash point less than 30° C. and a boiling point less than or equal to 130° C., all weight percents based on the total weight of the composition. The present invention is also directed to methods of forming patterned substrates using the above compositions. The compositions of the invention are useful for printing electronic materials onto a substrate using a piezo-electric printer.

Abstract: The present invention is directed to a printable composition, comprising: 0.5 to 60 wt % of a polymer selected from the group consisting of epoxy, Novolac and poly(dimethylglutarimide); and 40-99.5 wt % of a solvent composition comprising (1) a high boiling point solvent having a flash point greater than about 10° C. and a boiling point greater than about 130° C. and (2) a low boiling point solvent having a flash point less than 30° C. and a boiling point less than or equal to 130° C., all weight percents based on the total weight of the composition. The present invention is also directed to methods of forming patterned substrates using the above compositions. The compositions of the invention are useful for printing electronic materials onto a substrate using a piezo-electric printer.

Abstract: The present invention is directed to a printable composition, comprising: 0.5 to 60 wt % of a polymer selected from the group consisting of epoxy, Novolac and poly(dimethylglutarimide); and 40-99.5 wt % of a solvent composition comprising (1) a high boiling point solvent having a flash point greater than about 10° C. and a boiling point greater than about 130° C. and (2) a low boiling point solvent having a flash point less than 30° C. and a boiling point less than or equal to 130° C., all weight percents based on the total weight of the composition. The present invention is also directed to methods of forming patterned substrates using the above compositions. The compositions of the invention are useful for printing electronic materials onto a substrate using a piezo-electric printer.

Abstract: The present invention is directed to a printable composition, comprising: 0.5 to 60 wt % of a polymer selected from the group consisting of epoxy, Novolac and poly(dimethylglutarimide); and 40-99.5 wt % of a solvent composition comprising (1) a high boiling point solvent having a flash point greater than about 10° C. and a boiling point greater than about 130° C. and (2) a low boiling point solvent having a flash point less than 30° C. and a boiling point less than or equal to 130° C., all weight percents based on the total weight of the composition. The present invention is also directed to methods of forming patterned substrates using the above compositions. The compositions of the invention are useful for printing electronic materials onto a substrate using a piezo-electric printer.