ibisobanuro bigufi:

Kaseti ya polyimide ishingiye kuri firime ya polyimide kandi ifata ibyuma bifata ibyuma bya silicone bitumizwa mu mahanga, bifite imiterere yo kurwanya ubushyuhe bwo hejuru kandi buke, kurwanya aside na alkali, kurwanya ibishishwa, gukumira amashanyarazi, no kurinda imirase.
Birakwiriye kugurisha umuyaga ukingira ikibaho cyumuzunguruko wa elegitoronike, kurinda intoki za zahabu hamwe n’amashanyarazi yo mu rwego rwo hejuru, kubika moteri, no gukosora ibintu byiza kandi bibi bya bateri ya lithium.