Patent ID: 9586867
Date: 2017-03-07
CPC Classifications: B29D,B82Y,C01F,C01P,C04B,C09K,H05B

Claim:
1. A calcium rare earth fluoride translucent ceramic, comprising: Ca, R, and F, in an atomic ratio indicated by (Ca 1-x R x )F 2+x , where R is at least two rare earth elements selected from a group consisting of La, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, Yb, and Lu, and “x” is 0.002 to 0.059, wherein each of the at least two rare earth elements is in a concentration of 0.1 mol % to 5.8 mol % based on a total content of Ca and R, a total content of all rare earth elements in the ceramic is in a range of 0.2 mol % to 5.9 mol % based on a total content of Ca and all rare earth elements in the ceramic, and the calcium rare earth fluoride translucent ceramic has a thickness of at least 100 μm.