ULTRAHIGH-TEMPERATURE HEATING ELEMENT AND ULTRAHIGH- TEMPERATURE FURNACE USING THE SAME

摘要

PROBLEM TO BE SOLVED: To facilitate the taking-in/out and observation of a sample or a substance to be processed. SOLUTION: In a heating element 1 which has a hollow 2 for heating a sample or a substance to be heated within and whose axial middle section is a heating part 3 and both whose sections are terminals 4 and 4 and which consists of zirconia or the like, a slit 5 for performing the taking in and out and the observation of a sample or a substance to be heated is made in axial direction, covering the above the heating part 3 and the terminals 4 and 4.