PBN material refers to pyrolytic boron nitride material obtained by CVD high-temperature deposition. BN refers to cubic boron nitride, which is obtained by hot pressing.The common thickness of PBN parts is less than or equal to 3mm due to the different acquisition processes.PBN heater refers to a graphite heater formed by depositing a thin layer of graphite on a PBN substrate and forming a graphite band by machining (laser engraving).

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