51results about "X-ray/infra-red processes" patented technology

A multi-component rare-earth garnet optical material containing at least three different rare-earth elements and optionally activator ions is described. The optical material includes a rare-earth garnet scintillator. A method for preparing powders, ceramics, and single crystals of the optical material is also described. Further, a radiation detector including a rare-earth garnet scintillator is described.

A ceramic scintillator array 1 according to an embodiment of the present invention is provided with a plurality of scintillator segments 2 and a reflective layer. The reflective layer contains a resin composition. The resin composition contains a transparent resin and an additive. Dibasic acid esters serve as the additive.

The invention relates to organic scintillators with improved characteristics in terms of transparency and response speed. More specifically, the scintillators of the invention use the chemical compounds of formula (M), also called fluorophores: (M) wherein: X and Y, independently of each other, are: H, aryl, naphthyl, biphenyl, tolyl, preferably 2-naphthyl, 1-naphthyl, 2-biphenyl, 4-tolyl; with the proviso that X and Y are never H at the same time; R1 and R2, independently of each other, are: aryl, arylalkyl, alkyl (also alkylene), with linear branched or cyclic chain C2-C12, preferably at least one of R1 and R2, or both, is C8H17.

A photographic film is formed by combining panchromatic black and white emulsion with a color filter array to produce a full color image using only black and white film and processing.

A ceramic scintillator according to an embodiment of the present invention is provided with a sintered body of a gadolinium oxysulfide phosphor containing praseodymium as a main activator. When the body color of the sintered body is represented by chromaticity coordinates (x, y) based on a CIE1931 chromaticity value, the sintered body has a body color satisfying the following formulae (1) and (2). A ceramic scintillator according to an embodiment is obtained by a method for producing a ceramic scintillator, the method comprising a heat treatment step for reacting a reactant gas containing oxygen and sulfur with the sintered body. The heat treatment time in the heat treatment step is from 1 hour to 50 hours (inclusive). 0.4 < = x < = 0.505 (1) 0.83 x + 0.075 < = y < = 0.83 x + 0.095 (2).

This scintillator panel comprises: a support layer; a scintillator layer disposed on the support layer and including a plurality of columnar crystals; an adhesive layer disposed on the scintillator layer; a release layer disposed on the adhesive layer and having releasability from the adhesive layer; and a first moisture-proof layer integrally covering an outer edge portion of the scintillator layer, an outer edge portion of the adhesive layer, and an outer edge portion of the release layer. Through use of this scintillator panel, the scintillator layer can be attached to another member when the scintillator panel is used, and the moisture-proof properties of the scintillator layer can be sufficiently secured when the scintillator panel is not in use.

This enables higher resolution and higher sensitivity in X-ray line sensors. [Solution] A scintillator array 1 is composed of a plurality of scintillator pixels 2 that convert X-rays into light, wherein the plurality of scintillator pixels 2 are arranged in a straight line by partition walls 3 at equal intervals, and the widths of the first side walls 4 and the second side walls 5 at both ends are different, and when two scintillator arrays 1 are placed on top of each other in opposite directions, the scintillator pixels 2 of one scintillator array 1 and the scintillator pixels 2 of the other scintillator array 1 are offset by half a pixel.

Embodiments of the present application disclose a single-atom manipulation system, a control method and an electronic device. The single-atom manipulation system comprises: an atomic cooling device configured to form an MOT atomic group, wherein the MOT atomic group is capable of generating atomic fluorescence of a first target wavelength; an atomic trapping device, wherein the atomic trapping device comprises a laser source and a strong focusing lens, the laser source emits a target laser beam of a second target wavelength, the target laser beam passes through the strong focusing lens to form an optical tweezer array to trap the MOT atomic group; and an imaging device, wherein the imaging device is sequentially provided with a filter, a noise fluorescence shielding device, a plano-convex lens and an imaging unit in a reflection direction of the focused atomic fluorescence, and the noise fluorescence shielding device is configured to shield noise fluorescence generated by the atomic cooling device.

A scintillator unit that can reduce crosstalk when the scintillator unit includes a plurality of scintillators and a radiation detector are provided. More specifically, a scintillator unit includes a reflective layer between a plurality of scintillators and the plurality of scintillators, wherein an adhesive layer and a low-refractive-index layer with a lower refractive index than the adhesive layer are located in this order on the scintillators between the scintillators and the reflective layer.

The invention relates to a method for producing a supported scintillator for particle radiation, and to a supported scintillator. The supported scintillator comprises, as a substrate, a plastics film and a layer of scintillator powder which is adhesively bonded to the substrate. In the method according to the invention, the scintillator powder is applied in excess to an adhesive layer on the plastics film while the plastics film is caused to vibrate with vibrations at ultrasonic frequency. The scintillator powder is then pressed on, after which non-adhering scintillator powder is removed. The supported scintillator has a transmission of τ ≥ 0.99.

This scintillator comprises: a support substrate; and a light-emitting layer that is formed from ZnO, is disposed on the support substrate, and emits light in response to the incidence of charged particles or photons. The light-emitting layer has a plurality of first layers having a first impurity concentration, and a plurality of second layers alternately laminated with the plurality of first layers and having a second impurity concentration lower than the first impurity concentration.

The purpose of the present invention is to suppress reduction in dimensional accuracy and variation in dimensional accuracy due to deformation. A scintillator array according to an embodiment includes a plurality of scintillator segments formed of a sintered body of a rare earth oxysulfide phosphor, a first reflective layer interposed between adjacent scintillator segments so as to integrate the plurality of scintillator segments, and a second reflective layer disposed on a surface side of the plurality of scintillator segments on which X-rays are incident. The amount of deformation of the corners of the second reflective layer is 20 [mu] m or less.

To provide a beam monitor device which enables a three-dimensional structure of a beam to be grasped.SOLUTION: An imaging unit generates a plurality of photographed images obtained by imaging fluorescent light generated according to a proton beam 103 from each of a plurality of directions intersecting the travel direction of the proton beam 103. A computer 13 acquires a three-dimensional beam distribution being the distribution of the proton beam 103 in the three-dimensional space on the basis of the plurality of photographed images. A computer 14 calculates variance and covariance due to the position and momentum of the proton beam 103 in the two directions intersecting the travel direction of the proton beam 103 on the basis of the three-dimensional beam distribution.SELECTED DRAWING: Figure 1

To provide a scintillator panel capable of optimizing contact with the light receiving surface of a sensor panel and suppressing the occurrence of a crack in a scintillator layer, a method for manufacturing the scintillator panel, a radiation detector including the scintillator panel, and a method for manufacturing the radiation detector.SOLUTION: A scintillator panel 1 includes a support substrate 2 which has flexibility, a scintillator layer 3 which includes a plurality of columnar crystals 30, and an intermediate layer 4 which is arranged between the support substrate 2 and the scintillator layer 3. The plurality of columnar crystals 30 include a plurality of first end parts 31 on the side of the support substrate 2 and a plurality of second end parts 32 on the side opposite to the support substrate 2. Each of the plurality of first end parts 31 becomes thinner toward the side of the support substrate 2. Each of the plurality of second end parts 32 has an end surface 32a along a plane. A part of the intermediate layer 4 is arranged at least in an area R between the plurality of first end parts 31.SELECTED DRAWING: Figure 1

The invention provides an industrial X-ray film and a preparation method thereof, and relates to the field of industrial X-ray films. The preparation method of the industrial X-ray film comprises the following steps: preparing a silver halide cubic particle emulsion, carrying out in-situ composite modification, preparing an emulsion layer coating liquid, and carrying out coating molding. According to the preparation method of the industrial X-ray film, the problems of obvious image granularity, transverse migration of silver atoms and combination of development centers between adjacent particles can be effectively solved, the utilization rate of X-ray photons is improved while the image resolution is improved, and the photosensitive sensitivity and the photosensitive response range are effectively improved; and the long-term stability, especially the pressure stability and the environmental stability, of the industrial X-ray film is improved.

The present disclosure discloses a method for growing a crystal with a short decay time. According to the method, a new single crystal furnace and a temperature field device are adapted and a process, a ration of reactants, and growth parameters are adjusted and / or optimized, accordingly, a crystal with a short decay time, a high luminous intensity, and a high luminous efficiency can be grown without a co-doping operation.

According to one embodiment, a method of correcting astigmatism of a charged particle beam and adjusting a numerical aperture is described. A dual anastigmator is used to correct astigmatism and adjust numerical aperture. The dual anastigmators have a first anastigmator and a second anastigmator. The method includes correcting astigmatism of the charged particle beam using a second anastigmator of the dual anastigmators; and adjusting the numerical aperture of the charged particle beam using a first anastigmator of the dual anastigmators. The first anastigmators and the second anastigmators are arranged at intervals along the optical axis.

To improve the reliability of scintillator structures. [Solution] The scintillator structure for X-ray detection that constitutes the X-ray detector includes a resin and a phosphor. The phosphor includes gadolinium sulfide. The resin is an epoxy resin comprising a main component, a curing agent, and a curing catalyst. The curing agent is a phthalic anhydride-based curing agent. The resin has an isocyanurate ring as its backbone, and after irradiation with X-rays at a dose of 100 kGy, the total light transmittance of the resin for light with a wavelength of 542 nm is 80% or more.

To improve reliability of a scintillator structure.SOLUTION: A scintillator structure for detecting an X-ray forming an X-ray detector includes: a plurality of cells; and a reflection layer covering the cell layers. Each cell includes a resin and a phosphor. The resin is an epoxy resin which has an isocyanurate ring in a bone structure. Also, a drop rate of total light transmittance for light with a wavelength of 542 nm after an X-ray with a dosage of 100 kGy is radiated is less than 8%. The resin contains a hardening agent as a non-aromatic group which does not chemically comprise a carbon double bond.SELECTED DRAWING: Figure 1

The present invention provides a ceramic scintillator array that can suppress the decrease in optical output after prolonged X-ray irradiation. [Solution] The ceramic scintillator array 1 of the embodiment comprises a plurality of scintillator segments 2 and a reflective layer. The reflective layer contains a resin composition. The resin composition contains a transparent resin and an additive. The additive is a dibasic acid ester.

The present invention addresses the problem of providing a scintillator panel having high brightness and high sharpness, and a method for producing a scintillator panel. Proposed is a scintillator panel comprising a substrate, a partition wall that is formed on the substrate, and a phosphor that is filled into a space which is partitioned by the partition wall, wherein: an organic protective layer and a metal reflecting layer are laminated, in this order as viewed from the partition wall body side, on at least a surface of the partition wall with which the phosphor comes into contact; the organic protective layer is formed of a resin composition containing a polysiloxane; and condition (A) and condition (B) are satisfied. Condition (A) is that, relative to 100 mol% of the total repeating units, the polysiloxane contains 0.01-65 mol% of a structural unit that is derived from R'Si(OR")3 (where R' and R'' are each a monovalent hydrocarbon group and may be the same or different) and has, in the main chain thereof, an organosilane unit represented by R2SiO2 / 2 (where R is a monovalent hydrocarbon group). Condition (B) is that the organic protective layer does not include a compound having a polymerization initiation capability with respect to the polysiloxane.

A scintillator includes a support substrate; and an emission layer that is formed of ZnO, is disposed on the support substrate, and emits light in response to an incidence of charged particles or photons. The emission layer includes a plurality of first layers having a first impurity concentration, and a plurality of second layers alternately stacked with the plurality of first layers and having a second impurity concentration lower than the first impurity concentration.

Scintillator materials based on mixed garnet compositions, as well as corresponding methods and systems, are described.

This invention provides oxide crystals and methods for producing the same that are suitable for various applications such as scintillator materials, substrate materials, battery materials, sensor materials, dental materials, structural materials, and jewelry. [Solution] The oxide crystal according to one embodiment of the present invention has the general formula (Zr 1-x Hf x ) 1-y (RE z M 1-z ) y O 2-0.5y-p (In the formula, x, y, z, and p each independently satisfy 0 ≤ x ≤ 1, 0 ≤ y ≤ 0.6, 0 ≤ z ≤ 1, and -0.5 ≤ p ≤ 0.5, RE is selected from at least one rare earth element, and M is selected from at least one element from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Mg, and Ca.) It is characterized by being represented as and containing a hydrogen atom (H).

To provide a photographing medium, a soft case, an inspection system and an inspection method that are not damaged even at a location where an attachment is attached to a columnar structure and that can obtain a clear image of the inside of the columnar structure. [Solution] The imaging medium 3 comprises an imaging plate made of a plastic plate coated with a stimulable phosphor, and a soft case that is transparent to X-rays and that houses and protects the imaging plate, and both the imaging plate and the soft case are formed so that they can be deformed to fit the shape of the reinforced concrete column P.

The present invention relates to a method for forming an optical waveguide sensor for detecting ions containing radioactive isotopes in an aqueous solution. The method comprising the steps of treating a substrate surface by cleaning the substrate surface with one or more solvents for enabling coating of the treated surface with a crosslinking agent, the substrate being selected from a group comprising a silica or a silicon substrate, coating the treated substrate surface with the crosslinking agent selected from a group comprising carboxylic acid functional group containing organic molecules for forming a crosslinked substrate surface, coating the crosslinked substrate surface with a scintillating agent for forming a substrate surface containing scintillating agent, and coating the substrate surface containing scintillating agent with a ligand capable of reacting with a radioactive isotope in an aqueous solution for forming a functionalized substrate surface, thereby forming the optical waveguide sensor comprising a layer of the ligand and the scintillating agent. The present invention also relates to the optical waveguide sensor for detecting radioactive isotopes fabricated with the method of the present invention.