"Often, it may be said that the interface is the device"
----Herbert Kroemer (2000 Nobel Prize for Physics)
Group E04
Add: P. O. Box 603, Beijing 100190, P. R. CHINA
Or: Zhongguancun Nansanjie No. 8, Haidian, Beijing 100190, P. R. CHINA
Tel: 86-10-82648062
Fax: 86-10-82649542
E-mail: xldu@aphy.iphy.ac.cn