HONEYCOMB HEATER HAVING INTEGRALLY FORMED ELECTRODES AND METHOD OF MANUFACTURING SUCH HONEYCOMB HEATER

摘要

A honeycomb heater having integrally formed electrodes comprises a honeycomb structure having a desired honeycomb configuration, and electrodes which are integrally formed with the honeycomb structure at predetermined positions thereon. The honeycomb heater is manufactured by joining or contacting the electrode-like formed bodies to the formed honeycomb body, and then by sintering the formed honeycomb body with the electrode-like formed bodies attached or contacted thereto. The electrodes are made of the same material as that of the honeycomb body, or of a material having an electric resistance lower than that of the material comprising the honeycomb body. Alternatively, the honeycomb heater is manufactured by preparing an extrusion of a honeycomb body as one body which has a honeycomb configuration and an electrode-like shape at predetermined positions thereon, and then sintering that formed honeycomb body.