| Patent Number |
Title Of Patent |
Date Issued |
| 5458811 |
Phosphor, radiation image recording and reproducing method and radiation image storage panel emp |
October 17, 1995 |
| A divalent europium activated complex halide phosphor having the formula (I):in which M.sup.II is at least one alkaline earth metal selected from the group consisting of Ba, Sr and Ca; M.sup.I is at least one alkali metal selected from the group consisting of Rb and Cs; X is at least one |
| 5036207 |
Radiation image storage panel |
July 30, 1991 |
| Disclosed is a radiation image storage panel having a stimulable phosphor layer including a stimulable phosphor which absorbs both a radiation in a wavelength shorter than 250 nm and ultraviolet rays in a wavelength of 250-400 nm, then which stores their energies, and which emits the ene |
| 5003182 |
Phosphor, radiation image recording and reproducing method and radiation image storage panel emp |
March 26, 1991 |
| There is disclosed a novel cerium activated rare earth oxyhalide phosphor which has the following formula (I):in which Ln is Y, La, Gd or Lu; X is Cl, Br or I; and x is 0<x.ltoreq.0.2, and a ratio of X/Ln is 0.500<X/Ln.ltoreq.0.998 by atomic ratio, and the maximum peak (.lambda.) o |
| 4999515 |
Radiation image recording and reproducing method |
March 12, 1991 |
| A divalent europium activated alkaline earth metal halide phosphor having the formula (I):in which M.sup.II is at least one alkaline earth metal selected from the group consisting of Ba, Sr and Ca; each of X and X' is at least one halogen selected from the group consisting of Cl, Br and |
| 4931652 |
Radiation image recording and reproducing method |
June 5, 1990 |
| A radiation image recording and reproducing method comprising steps of: (i) causing a divalent europium activated alkaline earth metal halophosphate phosphor having the formula (I):M.sup.II.sub.2 OP.sub.4 X:xEu.sup.2+ (I)in which M.sup.II is at least one alkaline earth |
| 4926047 |
Radiation image recording and reproducing method and radiation image storage panel employed for |
May 15, 1990 |
| A radiation image recording and reproducing method comprising steps of:causing a stimulable phosphor to absorb a radiation having passed through an object or radiated by an object,exposing said stimulable phosphor to an electromagnetic wave having a wavelength within the range of 450-800 nm |
| 4895772 |
Phosphor, and radiation image storage panel |
January 23, 1990 |
| A divalent europium activated alkaline earth metal halide phosphor which is coactivated with boron and has the formula (I):in which M.sup.II is at least one alkaline earth metal selected from the group consisting of Ba, Sr and Ca; each of X and X' is at least one halogen selected from th |
| 4894548 |
Radiation image recording and reproducing method and radiation image storage panel employed for |
January 16, 1990 |
| A radiation image recording and reproducing method comprising steps of:(i) causing a divalent europium activated complex halide phosphor having the formula (I): in which M.sup.II is at least one alkaline earth metal selected from the group consisting of Ba, Sr and Ca; each of X and X' is at |
| 4891277 |
Phosphor, and radiation image storage panel |
January 2, 1990 |
| A divalent europium activated complex halide phosphor having the formula (I):in which M.sup.II is at least one alkaline earth metal selected from the group consisting of Ba, Sr and Ca; M.sup.I is at least one alkali metal selected from the group consisting of Li, Rb and Cs; each of X and |
| 4876161 |
Phosphor and radiation image storage panel |
October 24, 1989 |
| A divalent europium activated alkaline earth metal halide phosphor having the formula (I):in which M.sup.II is at least one alkaline earth metal selected from the group consisting of Ba, Sr and Ca; each of X and X' is at least one halogen selected from the group consisting of Cl, Br and |
| 4835398 |
Phosphor, Radiation image recording and reproducing method and radiation image storage panel |
May 30, 1989 |
| A cerium activated rare earth halide phosphor having the formula (I):in which Ln is at least one rare earth element selected from the group consisting of Y, La, Gd and Lu; M.sup.I is at least one alkali metal selected from the group consisting of Li, Na, K, Cs and Rb; each of X and X' is |
| 4780611 |
Radiation image recording and reproducing method |
October 25, 1988 |
| A cerium activated a rare earth complex halide phosphor having the formula (I):in which each of Ln and Ln' is at least one rare earth element selected from the group consisting of Y, La, Gd and Lu; each of X and X' is at least one halogen selected from the group consisting of F, Cl, Br a |
| 4780376 |
Phosphor and radiation image storage panel |
October 25, 1988 |
| A divalent europium activated cesium rubidium halide phosphor having the formula (I):in which each of X and X' is at least one halogen selected from the group consisting of Cl, Br ad I; and a and x are numbers satisfying the conditions of 0<a.ltoreq.10.0 and 0<x.ltoreq.0.2, respect |
| 4780375 |
Phosphor, and radiation image storage panel |
October 25, 1988 |
| A bismuth activated alkali metal halide phosphor having the formula (I):in which M.sup.I is at least one alkali metal selected from the group consisting of Rb and Cs; X is at least one halogen selected from the group consisting of Cl, Br and I; and x is a number satisfying the condition of |
| 4761347 |
Phosphor and radiation image storage panel containing the same |
August 2, 1988 |
| A cerium activated rare earth complex halide phosphor having the formula (I):in which each of Ln and Ln' is at least one rare earth element selected from the group consisting of Y, La, Gd and Lu; each of X and X' is at least one halogen selected from the group consisting of F, Cl, Br and |
| 4698508 |
Phosphor, radiation image recording and reproducing method and radiation image storage panel |
October 6, 1987 |
| A divalent europium activated alkaline earth metal complex halide phosphor having the formula (I):in which each of M.sup.II and M.sup.II ' is at least one alkaline earth metal selected from the group consisting of Ba, Sr and Ca; each of X, X' and X" is at least one halogen selected from |
| 4605861 |
Radiation image recording and reproducing method |
August 12, 1986 |
| A radiation image recording and reproducing method comprising steps of:(i) causing a divalent europium activated alkaline earth metal hydride halide phosphor having the formula (I): in which M.sup.II is at least one alkaline earth metal selected from the group consisting of Ca, Sr and Ba; X |
| 4534884 |
Process for the preparation of phosphor |
August 13, 1985 |
| A process for the preparation of a phosphor comprising firing a mixture of starting materials for the phosphor under a reducing atmosphere, characterized in that said mixture of starting materials for the phosphor is impregnated with a liquid organic compound capable of producing carbon |
| 4532071 |
Process for the preparation of phosphor |
July 30, 1985 |
| A process for the preparation of a divalent europium activated alkaline earth metal fluorohalide phosphor containing a metal oxide, which comprises firing a mixture of starting materials comprising an alkaline earth metal halide, a trivalent europium compound and a metal oxide source |
