A process for the fabrication of a fiber-based information display using a lost glass process includes drawing a fiber from a preform composed of at least two different glass compositions, where one of the compositions is a dissolvable glass, and removing the dissolvable glass with a liquid solution...http://www.google.com.hk/patents/US6431935?utm_source=gb-gplus-share專利 US6431935 - Lost glass process used in making display
