Patent ID: 11920072
Assignee: NICHIA CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B  G  H | IPC B  C  G  H

Claim 2:
3. The method for producing a rare earth aluminate sintered body according to claim 1, wherein the rare earth aluminate comprises at least one rare earth element selected from the group consisting of Y, La, Lu, Gd, and Tb; Ce; Al; and optionally at least one element M1 selected from the group consisting of Ga and Sc, wherein a total molar ratio of the at least one rare earth element and Ce is 3, a total molar ratio of Al and the element M1 is a product of 5 and a parameter k in a range of 0.95 or more and 1.05 or less, and a molar ratio of Ce is a product of 3 and a parameter n in a range of 0.003 or more and 0.017 or less.