A, system, and computer program product for hardware characterization in a virtual environment are provided in the illustrative embodiments. The method involves spinning a one phase solution comprising a monoesterified polyimide polymer, acetone as a volatile solvent, a spinning solvent, a spinning non-solvent, and optionally an organic andor inorganic additive, wherein the volatile solvent is present in an amount of greater than 25 wt. A write wiring trace and a read wiring trace are formed on the second insulating layer.