1. Hitachi Ltd., Central Research Laboratory, Nano-Process Research Department, 1-280 Higashi-Koigakubo, Kokubunji-shi, Tokyo 185-8601, Japan
2. IBM Corp., 257 Fuller Road, Suite 3100, Albany, New York 12203, United States
3. IBM Corp., 2070 Route 52, Hopewell Junction, New York 12533, United States
4. Hitachi-HighTechnologies Corporation, 882 Ichige, Hitachinaka-Shi, Ibaraki 312-8504, Japan
5. Hitachi-HighTechnologies Corporation, 24-14, Nishi-Shimbashi, 1-Chome, Minato-ku, Tokyo 105-8717, Japan