Preparation of Solid Rotor Composed of Highly-Dense Ring-Shaped RE Bonded Magnet and Iron Dust-Core
F. Yamashita, Y. Sasaki, and H. Fukunaga……..111

Development of a 3.5-inch Magneto-Optical Disk with a Capacity of 2.3 GB
M. Moribe, K. Shono, M. Maeda, K. Ogawa, H. Nakayama, and M. Yoshida……..115