Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
99 words
A process for producing an X-ray excited phosphor including at least one element selected from the group consisting of Y. Gd. La and Lu, and at least one compound selected from the group consisting of TaO 4 and NbO 4 , characterized in that the process comprising the steps: adding a component including at least one diadic metal selected from the group consisting of Be, Mg, Ca, Sr, Ba. Zn and Cd, and at least one alkali metal selected from the group consisting of Li. Na, Ba and K to the materials of the said phosphor calcinating this mixture.
Claim 2
Dependent Claim
99 words
A process for producing an X-ray excited phosphor including at least one element selected from the group consisting of Y. Gd. La and Lu, and at least one compound selected from the group consisting of TaO 4 and NbO 4 , characterized in that the process comprising the steps: adding a component including at least one diadic metal selected from the group consisting of Be, Mg, Ca, Sr, Ba. Zn and Cd, and at least one alkali metal selected from the group consisting of Li. Na, Ba and K to the materials of the said phosphor calcinating this mixture.
Claim 3
Dependent Claim
26 words
A process of according to claim 1, wherein diadic metals in the oxidized state are mixed and calcinated with the raw materials of the said phosphor.
Claim 4
Dependent Claim
25 words
A process according to claim 1. wherein alkali metals in the oxidized state are mixed and calcinated with the raw materials of the said phosphor.
Claim 5
Dependent Claim
27 words
A process according to claim 1, wherein the diadic metal component is added in an amount ranging from 1x10 -5 mole to 1 mole to the phosphor.
Claim 6
Dependent Claim
149 words
. An X-ray exited phosphor being represented by the general formula (I); Ln 1-x-(2/3)y-(1/3)z M" y M' z DO 4 :xR 3+ (I). wherein M" is at least one diadic metal selected from the group consisting of Be. Mg, Ca, Sr, Ba. Zn and Cd, M' is at least one alkali metal selected from the group consisting of Li. Na and K, Ln is at least one selected from the group consisting of Y, Gd, La, and Lu, D is at least one element from the group consisting of Ta and Nb. R is at least one activator selected from the group consisting of Tm. Ce. Pr. Sm, Eu. Tb. D y and Yb or the base material being self-activating, and y is a value in the range 1x10 -5 ≤y≤1, z is a value in range 1x10 -4 ≤z≤0.1, and x is a value in the range 0≦x≦0.05.
Claim 7
Dependent Claim
149 words
. An X-ray exited phosphor being represented by the general formula (I); Ln 1-x-(2/3)y-(1/3)z M" y M' z DO 4 :xR 3+ (I). wherein M" is at least one diadic metal selected from the group consisting of Be. Mg, Ca, Sr, Ba. Zn and Cd, M' is at least one alkali metal selected from the group consisting of Li. Na and K, Ln is at least one selected from the group consisting of Y, Gd, La, and Lu, D is at least one element from the group consisting of Ta and Nb. R is at least one activator selected from the group consisting of Tm. Ce. Pr. Sm, Eu. Tb. D y and Yb or the base material being self-activating, and y is a value in the range 1x10 -5 ≤y≤1, z is a value in range 1x10 -4 ≤z≤0.1, and x is a value in the range 0≦x≦0.05.
Claim 8
Dependent Claim
13 words
An X-ray excited phosphor as claimed in claim 5, wherein R is Tm.
Claim 9
Dependent Claim
26 words
An X-ray excited phosphor as claimed in claim 5. wherein M" is Ca, and y is a value in the range 1x10 -5 ≦y≦3x10 -1 .
Claim 10
Dependent Claim
26 words
An X-ray excited phosphor as claimed in claim 5. wherein M" is Sr and y is a value in the range 1x10 -5 ≦y≦6x10 -1 .
Claim 11
Dependent Claim
19 words
An X-ray intensifing screen being provided with the phosphor as claimed in any one of claim 5 to 8.