| abstract |
It is an object of the present invention to obtain a conductive pigment powder having a low volume resistivity and improved color tone of 5-MPa green compacts.n n n The often pigmented conductive pigment powder 13 of the present invention contains at least indium oxide containing tin and gold, and the contents of tin and gold are 0.5 to 15 mol% and 0.02 to the total moles of indium, tin and gold, respectively. To 5 mol%. In the CIE 1976 L * a * b * color space (measured light source C: color temperature 6774 K), the brightness index L * value is 25 to 85, and the chromaticness index a * value and b * value are +1.0 to +40.0 and -1.0 to -40.0, respectively. In addition, the volume resistivity measured by the four probe method using 5-MPa green compact is 0.001-100 Pa.cm, and an average primary particle diameter is the range of 0.005-0.5 micrometer. |