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LIGHT SHIELDING MEMBER
The light shielding member of the present disclosure includes an aluminum oxide ceramics including an oxide of titanium whose composition formula is shown as TiO2-x (1≤x<2), and a total content of Fe, Ni, Co, Mn and Cr is 260 mass ppm or less.
LIGHT SHIELDING MEMBER
The light shielding member of the present disclosure includes an aluminum oxide ceramics including an oxide of titanium whose composition formula is shown as TiO2-x (1≤x<2), and a total content of Fe, Ni, Co, Mn and Cr is 260 mass ppm or less.
LIGHT SHIELDING MEMBER
KIYOTA SATOSHI (author) / WATADA KAZUO (author) / HIGA TAKEHISA (author) / SHINGU MASAMICHI (author) / SHIKATA KUNIHIDE (author)
2021-09-23
Patent
Electronic Resource
English