Manufacturing method and manufacturing method of microwave absorbing heating element using the powder of microwave absorbing heating element powder

摘要

PROBLEM TO BE SOLVED: To obtain powder for a microwave absorption heating element, which is a material with a white color tone and capable of arbitrarily controlling temperature rising rate of microwave absorption heating.;SOLUTION: A mixture including 50 mass% or less (excluding 0 mass%) of silicon oxide in terms of SiO₂, 50 mass% or more (excluding 100 mass%) of zinc oxide in terms of ZnO, and less than 0.05 pt.mass (excluding 0 pt.mass) of copper oxide in terms of CuO when the total amount of the silicon oxide and the zinc oxide is 100 pts.mass, are used as raw material powder, and the mixture is fired in a temperature range of 750°C or higher and 1,350°C or lower.;COPYRIGHT: (C)2014,JPO&INPIT