Patent ID: 9266258
Filing Date: 2016-02-23
CPC Classification: B29C,B29K,B29L,G11B

Claim Text:
1. An imprint mold for manufacturing magnetic recording media, comprising: a rigid support material that is UV-transparent and has a flat surface; a flexible mold layer on the rigid support material and having a Young's modulus of less than about 4 GPa, the flexible mold layer comprising a perfluoropolyether (PFPE) material with a urethane acrylate (UA) end group, and the flexible mold layer has a topography that forms a pattern that is precise such that one standard deviation of patterned dimensions is less than 1 nm; the flexible mold layer further comprises alignment targets for aligning the imprint mold with a substrate based on the alignment targets; and the flexible mold layer has a surface energy of less than 20 mN/m.