Circular molybdenum heater, is divided into three groups in the evenly heated indoor layout, 95 ceramic insulator fixed sets of individual temperature control, ensure the region has high temperature uniformity
Molybdenum with a circular heater, uniformly arranged in three groups in the heating chamber to a ceramic insulating member 95 is fixed, individual temperature control in each group to ensure a high temperature region having a temperature uniformity
Circular molybdenum strip heater, divided into three groups evenly arranged in the heating chamber, with 95 ceramic insulating piece is fixed, each separate temperature control, ensure the uniform temperature zone with high temperature