Patent ID: 9403722
Filing Date: 2016-08-02
CPC Classification: B82Y,C04B,C09K,H01J

Claim Text:
1. A sintered object containing yttrium oxide and fibrous carbon, wherein a relative density of the sintered object is 97% or more, and a volume resistivity value of the sintered object upon which a corrosion test has not been performed is 0.5 Ω·cm or more and 10 Ω·cm or less, wherein the fibrous carbon is three-dimensionally dispersed, and an aggregation diameter of the fibrous carbon is 5 μm or less, wherein a content of the fibrous carbon is 0.5 volume % or more and 5 volume % or less with respect to a total amount of the fibrous carbon and yttrium oxide, and wherein the diameter of the fibrous carbon is 30 nm or less, and the length of the fibrous carbon is 10 μm or less.