Some polymers, such as most polyimides and polycarbonates, are not photosensitive and are typically processed using photoresist patterning and reactive ion etching. |
Water-soluble polyimides are needed which can be applied as a coating using aqueous solutions rather than organic solvents. |
Aromatic polyimides having axially dissymmetric 2,2' bis biphenyl units. |
High heat resistance and dimensional stability are claimed for the latest member of SABIC Innovative Plastics' Extem UH family of thermoplastic polyimides. |
Thermoset polyimides, like DuPont's Kapton film and Vespel shapes, also compete in this market area. |
Classes of polymers used in integrated optics include acrylates, polyimides, polycarbonates, and olefins. |