Flexible polyimides are used in flexible circuits and roll-to-roll electronics, while transparent polyimide, also called colourless transparent polyimide or CPI film, has come to be vital in flexible displays, optical grade films, and thin-film solar cells. Developers of semiconductor polyimide materials look for low dielectric polyimide systems, electronic grade polyimides, https://hauge-bain.thoughtlanes.net/thermal-resistant-polyimides-and-low-dielectric-polyimide-systems-for-advanced-electronics