摘要:
Non-reducing dielectric ceramic compositions comprise solid solutions which are represented by the compositional formula:{(Ba.sub.1-x Ca.sub.x)O}.sub.m .multidot.(Ti.sub.1-y Zr.sub.y)O.sub.2wherein m, x and y have the following values:1.005 .ltoreq. m .ltoreq. 1.030.02 .ltoreq. x .ltoreq. 0.22O
摘要:
A fine powder heat treating apparatus which includes a container rotated by an electric motor, a quantity of rolling media disposed in the container and a heater provided for heating the container and the rolling media, wherein the rolling media are mixed with each other as the container is rotated and a finely powdered raw material in a fluid state containing fine powder and a liquid component is supplied from a raw material discharge pipe.