| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a translucent polycrystalline alumina (PCA) ceramic, a ceramic discharge vessel and the method of making the ceramic discharge vessel by avoiding the defects of the existing technology. <P>SOLUTION: The sintered translucent ceramic article comprises the polycrystalline alumina containing a small amount of MgO and having a grain boundary phase containing aluminum, oxygen and nitrogen. <P>COPYRIGHT: (C)2007,JPO&INPIT |
