[IEEE Proceedings of the 1999 7th International Symposium on the Physical and Failure Analysis of Integrated Circuits (Cat. No.99TH8394) - Singapore (1999.07.9-1999.07.9)] Proceedings of the 1999 7th International Symposium on the Physical and Failure Analysis of Integrated Circuits (Cat. No.99TH8394) - A comparison of interface trap generation by Fowler-Nordheim electron injection and hot-hole injection using the DCIV method