High technology letters... 

 - China : High Technology Research and Development Programme of China 
 - [112] p. 
<br/><br/> Vol.3, no.1, june 1997Contenido: Wavelength stabilization of 980 nm pump LDs by u-sing external narrowband UV induced FBG reflectors / Xie Sh-izhong...[et al.] -- Fabrication of diffraction-limited ful-l aperture microlens array by melting photoresist / Gao Yin-gjun...[et al.] -- Silicon-on-insulator 1x2 Y-junction opti-cal switch based on waveguide-vanishing effect / Zhao Cezho-u...[et al.] -- A feature-based parametric product modeling- system in CIMS environment / Li Hailong...[et al.] -- The -development of the production management and control system- for 10th assembly workshop under XAC-CIMS / Wu Feng. -- St-udy on gait planning of dynamic walking of biped robots bas-ed on optimization theory / Tan Guanzheng. -- A X-ray nonde-structive testing system for mine conveyer belt / Chang Hon-g. -- ...