1. US Patent No. 4,657,616 (1987).
2. C. Allgood, Adv. Mater. 10 (15) (1998).
3. E.A. Dutrow, A Partnership with the Semiconductor Industry for Reduction of PFC Emissions, SEMI Technical Program: A Partnership for PFC Emission Reduction, SEMI, Mountain View, CA, 1996, p.137.
4. C. Fraust, World Semiconductor Council ESH Task Force Update, SEMI Technical Program: A Partnership for PFC Emission Reduction, SEMI, Mountain View, CA, 1999, p. B1.
5. A. Johnson, et al., in: Proceedings of Semicon Southwest on A Partnership for PFC Emissions Reduction, Paper #12, Austin, TX, 2000.