Abstract
The burnout conditions in multilayer ceramic capacitors (MLCCs) have been investigated to optimize the binder removal condition and to control the microstructure during the burnout process. MLCCs showed a delamination for the heating rate of 7 °C/min at 200 °C, and 6 °C/min at 250 °C and 300 °C in the ambient atmosphere. The heating rate affected the pore size distribution and mean pore size, showing the smaller and larger mean pore size in the reducing and at higher temperature, respectively. The cumulative pore surface area was dependent on the burnout temperature rather than the heating rate. The minimum pore surface area could be obtained at 300 °C with the heating rate of 3 °C/min, in which the pores were connected to be an open structure. The atmosphere and temperature affected the burnout microstructure related to the binder removal without the effect of the heating rate.
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