The invention provides spacers for separating and supporting a faceplate structure and a backplate structure in a flat panel display, and methods for fabricating these spacers. Each spacer is typically made of ceramic, such as alumina, containing transition metal oxide, such as titania, chromia or iron...http://www.google.de/patents/US5985067?utm_source=gb-gplus-sharePatent US5985067 - Formation of spacers suitable for use in flat panel displays
