| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 141 | Chloride Scintillator for Radiation Detection | US13098662 | 2011-05-02 | US20110272586A1 | 2011-11-10 | Mariya Zhuravleva; Kan Yang; Charles L. Melcher; Piotr Szupryczynski |
| The present disclosure discloses, in one arrangement, a single crystalline chloride scintillator material having a composition of the formula A3MCl6, wherein A consists essentially of Li, Na K, Rb, Cs or any combination thereof, and M consists essentially of Ce, Sc, Y, La, Lu, Gd, Pr, Tb, Yb, Nd or any combination thereof. In another arrangement, a chloride scintillator material is single-crystalline and has a composition of the formula AM2Cl7, wherein A consists essentially of Li, Na K, Rb, Cs or any combination thereof, and M consists essentially of Ce, Sc, Y, La, Lu, Gd, Pr, Tb, Yb, Nd or any combination thereof. Specific examples of these scintillator materials include single-crystalline Cs3CeCl6, CsCe2Cl7, Ce-doped KGd2Cl7 (KGd2(1-x)Ce2xCl7) and Ce-doped CsGd2Cl7 (CsGd2(1-x)Ce2xCl7). In a further arrangement, the Bridgman method can be used to grown single crystals of the chloride scintillator materials compounds synthesized from starting chlorides. | ||||||
| 142 | DOPED RARE EARTHS ORTHOSILICATES USED AS OPTICAL DEVICES FOR RECORDING INFORMATION | US12922045 | 2009-03-24 | US20110095230A1 | 2011-04-28 | Alberto Anedda; Pier Carlo Ricci; Daniele Chiriu |
| The present invention refers in a first aspect thereof to a new method for information storage and retrieval by means of rare earth doped orthosilicates having a trap density comprised between 1015 and 1020 traps/cm3 and to devices using such a new method for storing and retrieving information. | ||||||
| 143 | RADIATION SCINTILLATOR AND RADIATION IMAGE DETECTOR | US12934061 | 2009-03-06 | US20110017912A1 | 2011-01-27 | Narito Goto; Shigetami Kasai |
| Disclosed are a radiation scintillator and a radiation image detector comprising the radiation scintillator. The radiation scintillator which exhibits enhanced sharpness and luminance and is excellent in shock resistance, comprises, on the substrate, a scintillator layer containing a phosphor and formed by a process of gas phase deposition, and the scintillator layer exhibits a thickness of 100 to 500 μm, a filling factor of the phosphor of 75 to 90% by mass and a layer thickness distribution of not more than 20%. | ||||||
| 144 | ACTIVE OPTOCERAMICS WITH CUBIC CRYSTAL STRUCTURE, METHOD OF PRODUCTION OF THE OPTOCERAMICS, AND USES THEREOF | US12696170 | 2010-01-29 | US20100193739A1 | 2010-08-05 | Ulrich Peuchert; Yvonne Menke |
| The transparent polycrystalline optoceramic has single grains with a symmetric cubic crystal structure and at least one optically active center. The optoceramic has the following formula: A2+xByDzE7, wherein 0≦x≦1.1, 0≦y≦3, 0≦z≦1.6, and 3x+4y+5z=8, and wherein A is at least one trivalent rare earth cation, B is at least one tetravalent cation, D is at least one pentavalent cation, and E is at least one divalent anion. The method of making the optoceramic includes preparing a powder mixture from starting materials, pre-sintering, sintering and then compressing to form the optoceramic. Scintillator media made from the optoceramic are also described. | ||||||
| 145 | FLUORESCENT MATERIAL,SCINTILLATOR USING SAME, AND RADIATION DETECTOR USING SAME | US12525477 | 2008-02-04 | US20100187423A1 | 2010-07-29 | Ryouhei Nakamura; Shunsuke Ueda |
| A fluorescent material for a scintillator to be used in a radiation detector is provided. The fluorescent material is designed to have a high fluorescent intensity and a low level of afterglow a short term of 1 to 300 ms after the termination of X-ray radiation.The above fluorescent material contains Ce as an activator. In addition, the material must contain at least Gd, Al, Ga, O, Fe, and a component M. The component M is at least one of Mg, Ti, and Ni. In addition, the composition of the material must be expressed by the general formula: (Gd1-x-zLuxCez)3+a(Al1-u-sGauScs)5−aO12 wherein 0≦a≦0.15, 0≦x≦0.5, 0.0003≦z≦0.0167, 0.2≦u≦0.6, and 0≦s≦0.1, and wherein, regarding the concentrations of Fe and M, Fe: 0.05≦Fe concentration (mass ppm)≦1, and 0≦M concentration (mass ppm)≦50. | ||||||
| 146 | SCINTILLATOR PANEL | US12594263 | 2008-04-03 | US20100117006A1 | 2010-05-13 | Naoyuki Sawamoto; Takehiko Shoji; Masashi Kondo |
| A scintillator panel exhibiting enhanced emission luminance is disclosed, comprising a phosphor layer containing a phosphor capable of emitting light upon exposure to radiation, a substrate supporting the phosphor layer and a protective film covering the phosphor layer and the substrate, wherein the phosphor layer comprises two or more layers, and satisfying the following expression 1: 1.0≦B/A≦1000 Expression 1 wherein B is an average activator concentration (mol %) of an uppermost phosphor layer, based on a phosphor and A is an average activator concentration (mol %) of the other phosphor layers, based on a phosphor. | ||||||
| 147 | RADIATION IMAGE CONVERSION PANEL | US12449931 | 2008-03-11 | US20100051837A1 | 2010-03-04 | Keiko Maeda; Tetsuo Shima |
| Disclosed is a radiation image conversion panel containing a support having thereon a phosphor layer containing an alkali metal halide phosphor which is deposited on the support by a gas phase accumulation method, wherein the alkali metal halide phosphor includes a columnar crystal and an existing ratio of an activation agent of the columnar crystal on a surface of the columnar crystal to an inner portion of the columnar crystal is from 0.7 to 20. | ||||||
| 148 | RADIATION IMAGE CONVERSION PANEL, ITS MANUFACTURING METHOD, AND X-RAY RADIOGRAPHIC SYSTEM | US12450242 | 2008-02-22 | US20100034351A1 | 2010-02-11 | Takafumi Yanagita; Tadashi Arimoto |
| Disclosed are a radiation image conversion panel, which provides high luminance, an image without white or black defects, an image free from cracks and an image with reduced unevenness, and its manufacturing method. Also disclosed is an X-ray radiographic system employing the radiation image conversion panel. The radiation image conversion panel of the invention comprises a substrate and provided thereon, a reflection layer, a phosphor layer and a protective layer in that order, wherein the phosphor layer is composed of a phosphor crystal in the form of column, and the reflection layer is formed by vapor phase deposition of two or more kinds of metals. | ||||||
| 149 | Radiation image conversion panel and preparation method thereof | US12166682 | 2008-07-02 | US07659524B2 | 2010-02-09 | Shinichi Okamura; Takafumi Yanagita |
| A method of preparing a radiation image conversion panel including a substrate and a phosphor layer, may include heating an evaporation source containing a phosphor raw material to evaporate the raw material and depositing an evaporated material on the substrate to form the phosphor layer, while the substrate being heated, wherein in (ii), a temperature of the substrate increases at a rate of 0 to 5° C./min, and falling within a range of from 60 to 110° C. | ||||||
| 150 | Radiation image information detecting panel | US11406343 | 2006-04-19 | US07541605B2 | 2009-06-02 | Kenji Takahashi |
| A laminate comprises a stimulable phosphor layer, which is capable of storing radiation image information, and which is capable of emitting light of an intensity proportional to the radiation image information when being exposed to secondary stimulating rays, a response speed converting fluorescent substance layer, which is capable of converting the light emitted by the stimulable phosphor layer into light having a life time longer than a light emission life time of the light emitted by the stimulable phosphor layer, and a photo-conductor layer, which is capable of exhibiting electrical conductivity when being exposed to the light obtained from the conversion performed by the response speed converting fluorescent substance layer. The laminate and an electroluminescent layer, which is capable of emitting the secondary stimulating rays with voltage application, are overlaid one upon the other and combined with each other into an integral body. | ||||||
| 151 | RADIATION STORAGE PHOSPHOR & APPLICATIONS | US11721906 | 2005-12-16 | US20090129542A1 | 2009-05-21 | Hans Riesen; Wieslaw Alex Kaczmarek |
| The present invention relates to a photoexcitable storage phosphor which comprises at least one rare earth element in the trivalent +3 oxidation state and wherein upon irradiation by X-ray, γ-ray or UV radiation the trivalent +3 oxidation state is reduced to divalent +2 oxidation state. The present invention also relates to a dosimeter, radiation image storage panel comprising the phosphor of the present invention and in dosimetry applications for applications including scientific, medical and other imaging applications. The present invention also relates to a process for making a photoexcitable storage phosphor and a process for recording and reproducing an image. | ||||||
| 152 | Scintillator plate for radiation and production method of the same | US11593300 | 2006-11-06 | US07482602B2 | 2009-01-27 | Takehiko Shoji; Yasushi Nakano; Mika Sakai |
| A scintillator plate for radiation comprising a substrate having thereon a phosphor layer comprising CsI and two or more activators ach having a melting point different from a melting point of CsI, wherein each content of the two or more activators is 0.01% or more based on CsI; and the scintillator plate is produced by forming the phosphor layer on the substrate via a vacuum evaporation method using a source material comprising CsI and two or more activators. | ||||||
| 153 | Binderless storage phosphor screen with needle shaped crystals | US10331764 | 2002-12-31 | US07422765B2 | 2008-09-09 | Erich Hell; Manfred Fuchs; Detlef Mattern; Bernhard Schmitt; Paul Leblans |
| A binderless storage phosphor screen with needle shaped crystals, wherein the phosphor is an alkalihalide phosphor and the needles show high [100] unit cell orientation in the plane of the screen. | ||||||
| 154 | NANOPHOSPHOR COMPOSITE SCINTILLATOR WITH A LIQUID MATRIX | US11924136 | 2007-10-25 | US20080191168A1 | 2008-08-14 | Edward Allen MCKIGNEY; Anthony Keiran Burrell; Bryan L. Bennett; David Wayne Cooke; Kevin Curtis Ott; Minesh Kantilal Bacrania; Rico Emilio Del Sesto; Robert David Gilbertson; Ross Edward Muenchausen; Thomas Mark McCleskey |
| An improved nanophosphor scintillator liquid comprises nanophosphor particles in a liquid matrix. The nanophosphor particles are optionally surface modified with an organic ligand. The surface modified nanophosphor particle is essentially surface charge neutral, thereby preventing agglomeration of the nanophosphor particles during dispersion in a liquid scintillator matrix. The improved nanophosphor scintillator liquid may be used in any conventional liquid scintillator application, including in a radiation detector. | ||||||
| 155 | CeBr3 scintillator | US11233715 | 2005-09-23 | US07405404B1 | 2008-07-29 | Kanai S. Shah |
| The present invention provides a new scintillator, cerium bromide (CeBr3), for gamma ray spectroscopy. Crystals of this scintillator have been grown using the Bridgman process. In CeBr3, Ce3+ is an intrinsic constituent as well as a luminescence center for the scintillation process. The crystals have high light output (˜68,000 photons/MeV) and fast decay constant (˜17 ns). Furthermore, it shows excellent energy resolution for γ-ray detection. For example, energy resolution of <4% (FWHM) has been achieved using this scintillator for 662 keV photons (137Cs source) at room temperature. High timing resolution (<200 ps-FWHM) has been recorded with CeBr3-PMT and BaF2-PMT detectors operating in coincidence using 511 keV positron annihilation γ-ray pairs. | ||||||
| 156 | RADIATION IMAGE CONVERSION PANEL | US11960215 | 2007-12-19 | US20080157003A1 | 2008-07-03 | Yoko HIRAI |
| A radiation image conversion panel containing: (a) a quadrilateral phosphor plate containing a substrate having thereon a phosphor layer; and (b) a barrier film which envelops the phosphor plate by being folded back so that the barrier film faces itself and forms an envelop which is folded on one side and sealed on the other three sides, wherein the barrier film contains two cover sheets and a cushion layer sandwiched between the cover sheets. | ||||||
| 157 | Method of preparing storage phosphors from dedicated precursors | US11015504 | 2004-12-17 | US07351442B2 | 2008-04-01 | Jean-Pierre Tahon; Johan Lamotte; Paul Leblans |
| A method for producing CsX:Eu stimulable phosphors and screens or panels provided with said phosphors as powder phosphors or vapor deposited needle-shaped phosphors suitable for use in image forming methods for recording and reproducing images of objects made by high energy radiation, wherein said CsX:Eu stimulable phosphors are essentially free from oxygen in their crystal structure, and wherein X represents a halide selected from the group consisting of Br, Cl and combinations thereof, and wherein the method further comprises the steps of mixing CsX with a compound or combinations of precursor compounds having as a composition CsxEuyX′x+αy, wherein the ratio of x to y exceeds a value of 0.25, wherein α≧2 and wherein X′ is a halide selected from the group consisting of Cl, Br and I and combinations thereof; heating said mixture at a temperature above 450° C.; cooling said mixture, and optionally annealing and recovering said CsX:Eu phosphor. | ||||||
| 158 | RADIOGRAPHIC IMAGE CONVERSION PANEL AND PRODUCTION METHOD THEREOF | US11840336 | 2007-08-17 | US20080044762A1 | 2008-02-21 | Hideki Shibuya; Kuniaki Nakano; Shigetami Kasai |
| A radio graphic image conversion panel containing a substrate having thereon a phosphor layer formed by a vapor-accumulating method, wherein the phosphor layer has a thickness distribution of not more than ±20%, the thickness distribution being defined by the formula: ((Dmax−Dmin)/(Dmax+Dmin))×100, provided that Dmax is a maximum thickness of the phosphor layer; and Dmin is a minimum thickness of the phosphor layer. | ||||||
| 159 | Radiographic image conversion panel and production method thereof | US11593556 | 2006-11-07 | US07282310B2 | 2007-10-16 | Hideki Shibuya; Kuniaki Nakano; Shigetami Kasai |
| A radiographic image conversion panel containing a substrate having thereon a phosphor layer formed by a vapor-accumulating method, wherein the phosphor layer has a thickness distribution of not more than ±20%, the thickness distribution being defined by the formula: ((Dmax−Dmin)/(Dmax+Dmin))×100, provided that Dmax is a maximum thickness of the phosphor layer; and Dmin is a minimum thickness of the phosphor layer. | ||||||
| 160 | Scintillation materials with reduced afterglow and method of preparation | US10864063 | 2004-06-09 | US07180068B1 | 2007-02-20 | Charles Brecher; Vivek Nagarkar |
| Scintillation materials of this invention have an alkali halide host material, a (first) scintillation dopant of various types, and a variety of second dopants (co-dopants). In another embodiment, the scintillation materials of this invention have an alkali halide host material, a (first) scintillation dopant of various types, a variety of second dopants (co-dopants), and a variety of third dopants (co-dopants). Co-dopants of this invention are capable of providing a second auxiliary luminescent cation dopant, capable of introducing an anion size and electronegativity mismatch, capable of introducing a mismatch of anion charge, or introducing a mismatch of cation charge in the host material. | ||||||
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