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US 12,358,841 B2Granted
Stabilized zirconia sintered body and zirconia powder
AssigneeDaiichi Kigenso Kagaku Kogyo Co., Ltd.
InventorsMasayuki Takai, Keita Kanenishi
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Abstract
Provided is a stabilized zirconia sintered body which comprises a fluorescent agent containing zirconium and titanium, and shows fluorescence when irradiated with light including light of a wavelength of 250 nm to 380 nm.
Claims18
A stabilized zirconia sintered body comprising a fluorescent agent containing zirconium and titanium, wherein
- the stabilized zirconia sintered body exhibits fluorescence in response to an irradiation with light including light having a wavelength of 250 nm or more and 380 nm or less, and
- the fluorescent agent has a crystallite diameter of 40 nm or more and 65 nm or less.
A zirconia powder comprising:
- stabilized zirconia particles, and
- a fluorescent agent containing zirconium and titanium, wherein
- a content of the fluorescent agent is 0.01 mass % or more and 5 mass % or less where an entire amount of the stabilized zirconia particles is 100 mass %, and
- the fluorescent agent has a crystallite diameter of 40 nm or more and 65 nm or less.
1 more element
Dependencies are inferred from the claim text.