<p>Disclosed is a ceramic heater provided with a built-in heating circuit and a built-in temperature sensor circuit, which is manufactured by a cofiring process based on a precision circuit forming technique and a layering technique. The ceramic heater includes a first board; a heating circuit formed in predetermined patterns on an upper portion of the first board; a temperature sensor circuit positioned between the patterns of the heating circuit; and a second board layered on the first board.</p>
