C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/50 (2006.01) C04B 35/44 (2006.01) H01J 61/30 (2006.01)
Patent
CA 2255983
A TAG, LAG or YbAG anti-corrosion layer of which Si content is 100 ppm or under and total content of Ca and Mg is 200 ppm or under is provided on the internal surface of a tubular YAG base of a discharge envelope. The mean particle size of the anti-corrosion layer is 20 µm or over, and the mean particle size of the base is 15 µm or under.
Imagawa Seiki
Kubo Hitoshi
Yagi Hideki
Yanagitani Takagimi
Konoshima Chemical Co. Ltd.
Osler Hoskin & Harcourt Llp
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