The invention provides a ceramic device enabling more complex, elaborate patterns for resistance heating elements or electrodes. A ceramic device includes a ceramic substrate consisting of a ceramic sintered body and including at least a base layer, an intermediate layer laminated over the base layer, and an overlayer laminated over the intermediate layer; and an electrifiable resistance heating element or electrode having a predetermined pattern extending in a planar shape and being embedded in the ceramic substrate. A horizontal surface is defined in the upper surface of the intermediate layer, along which the resistance heating element or electrode is arranged, and the overlayer is laminated onto the upper surface of the intermediate layer to cover the resistance heating element or electrode.