1. The 8th Sensors Symp. C3-1;Shibasaki,1989
2. 1991 Int. Conf. on Solid-State Sensors and Actuators (Transducers, '91);Shibasaki,1991
3. Proc. 4th Int. Symp. on Micro Machine and Human Science;Kanayama,1993
4. IEEE Lasers and Electro-Optics Society 1995 Annual Meeting;Shibasaki,1995
5. High sensitivity Hall elements made from Si-doped InAs on GaAs substrates by molecular beam epitaxy