| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ceramic member which exhibits sufficient anchor effect and has a coarse surface free from cracks. <P>SOLUTION: The surface of a base material 1 of a dense ceramic having a purity of ≥90% is formed into a first rounded unevenness 2 having a surface roughness Ra of 3 to 40 μm, and further the surface of the first unevenness 2 is formed into a second rounded unevenness 3 having a surface roughness Ra of 0.1 to 2.9 μm. <P>COPYRIGHT: (C)2003,JPO |
