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.
Type:
Grant
Filed:
March 4, 2013
Date of Patent:
April 25, 2023
Assignee:
KAYAKU ADVANCED MATERIALS, INC.
Inventors:
Daniel J. Nawrocki, Jeremy V. Golden, Milton O. Bernal, William D. Weber