Abstract: Disclosed is an electromagnetic wave suppression sheet obtained by mixing metallic magnetic particles into a resin and formed into a sheet shape. In the electromagnetic wave suppression sheet, a coercive force is 320 [A/m] or more and a saturation magnetization is 0.35 [Wb/m2] or more at a time when an external magnetic field of 1 kOe in an in-plane direction is applied.

Abstract: This invention relates to technology used for creating an enhanced artificial magnetosphere or electromagnetic shield for use in both manned and unmanned spacecraft. The invention includes an Interference Generating Pattern (IGP) which is tuned to the high-frequency radiation of X-rays and gamma rays and a conformal magnetic field. This technology will reduce the exposure of astronauts or other space travelers, as well as radiation-sensitive equipment, to the environmental hazards present therein. The net result will be reduced radiation intensity in order to create a space radiation-free environment as to render space travel safe.

Abstract: In one characterization, the present invention relates to a radiation-shielding assembly for holding a container having a radioactive material disposed therein. The assembly may, at least in one regard, be referred to as an elution shield and/or a dispensing shield. The assembly includes a body at least partially defining a cavity. There is at least one opening through the body into the cavity. The assembly may include a cap that at least generally hinders escape of radiation from the assembly through the opening. The cap may be releasably attached to the body in one orientation and may establish non-attached engagement with the body in another orientation. The assembly may include an adjustable spacer system for adapting the assembly for use with containers having different heights.

Abstract: A flexible, lightweight radiation absorbing sheet or shield includes heavy metal particles in one layer and mid-atomic number particles in another layer, the layer that will be adjacent to the patient. The shield is particularly intended for protection of the wearer and others from radiation emanating from a therapeutic source positioned within the patient's body. With the disclosed multi-layer shield construction, backscattered radiation off the heavy metal particle layer, affecting the patient's adjacent tissue, is minimized.

Abstract: A radiation protection device, wherein it includes functional areas where anthropometric and adhesive material are located in the same or other discreet area. It also includes a use recording and/or control system.

Abstract: A shield for absorbing radiation emitted during generation of a radioisotope. The shield includes an inner portion fabricated from a first type of shielding material. The shield also includes an outer portion fabricated from a second type of shielding material wherein the outer portion serves as a mold for forming the inner portion. The inner portion may be fabricated from a material which shields against gamma rays such as concrete. The outer portion may be fabricated from a material which moderates neutrons such as high density polyethylene. Additional shielding materials may be embedded into the inner portion as desired.

Abstract: The present invention relates to a dosimetry device for verification of quality of a radiation beam in standard and conformal radiation therapy, and for IMRT (Intensity Modulated Radiation Therapy) applications. The device includes an active area comprising individual radiation detectors. The active area comprises a limited number of lines of radiation detectors, and a number of extra radiation detectors dedicated to the energy measurement of electrons or photons. It also comprises a build-up plate with energy degraders. The energy degraders are located upstream from the extra radiation detectors in the path of the radiation beam.

Abstract: In a mammography system with a radiation protection wall, a production method for a radiation protection wall, and a method to operate a mammography system, the radiation protection wall has a further function in addition to the radiation protection. The radiation protection wall additionally serves to present a user interface of a control program to control the mammography apparatus, and can still display the images acquired by the mammography apparatus. The display region of the radiation protection wall is provided in the upper region of said radiation protection wall and can be fashioned as a touchscreen in order to control the mammography apparatus with the detected touch signals.

Abstract: The invention provides an electrolyte comprising an ester-cured alkaline phenolic resole resin containing conducting alkaline salts and methods for the use of the resin.

Abstract: Compositions and processes for forming radiopaque polymeric articles are disclosed. In one embodiment, radiation inspection apparatuses and methods are then used to determine the presence and attributes of such radiopaque polymeric articles. A radiopaque polymeric article of the present invention can be created by mixing a radiopaque material, such as barium, bismuth, tungsten or their compounds, with a powdered polymer, pelletized polymer or liquid solution, emulsion or suspension of a polymer in solvent or water. In addition to creating radiation detectable objects, the radiopaque polymeric materials of the present invention can be used to create radiation protective articles, such as radiation protective garments and bomb containment vessels. Enhanced radiation protection can also be achieved through the use of nano-materials. The principals of the present invention can be used to provide protection against other types of hazards, including fire, chemical, biological and projectile hazards.

Abstract: In an electrical device controlled by infrared signals from a remote control, a power saving device has an infrared detection module and a processor. The infrared detection module includes an infrared sensor configured to monitor the output of the remote control device, and a shield which is at least substantially impervious to infrared radiation, and which at least partially shields the infrared sensor from infrared radiation which does not emanate from the remote control device. The processor is coupled to the infrared detection module, and supplies power to the electrical device at least substantially only when the electrical device is in active use by a nearby user, and based at least in part upon input from the infrared sensor.

Abstract: Embodiments of the invention are directed to a support frame for alleviating the weight and stress inflicted upon the shoulders and neck of individual caused by wearing a radiation shield garment and methods of use thereof. In one embodiment, the support frame comprises an elongated upper vertical back members slidably coupled to a lower vertical back member to provide vertical height adjustment; a lower back support panel coupled to the lower vertical back member to provide lower back support to the wearer; and a pair of shoulder members attached to the upper top end of the elongated vertical back member to support shoulder regions of the radiation shield garment.

Abstract: An energy modulator for use with a particle source that provides a beam of particles includes a first block moveable between a first position and a second position, wherein when the first block is at the second position, it is in a path of the beam, and a second block moveable relative to the first block, wherein the second block and the first block are offset from each other in a direction of the beam, wherein the first block has a first energy absorption characteristic, and the second block has a second energy absorption characteristic that is different from the first energy absorption characteristic.

Abstract: A method of radiation sterilizing a plurality of stent-catheter assemblies includes positioning a plurality of stent-catheter assemblies on a fixture, each of the stent catheter assemblies being arranged in a planar configuration and disposed in corresponding planar packages supported on the fixture, wherein the packages are stacked horizontally on the fixture, and wherein the stents of the assemblies are positioned at a position in each package such that the stents are exposed to the same or substantially the same radiation; and exposing the packages to an incoming radiation beam, the radiation beam being at an acute angle to the planes of the planar configuration of the assemblies, wherein the packages are arranged such that a front end of the stack faces the radiation beam and a back end of the stack faces away from the radiation beam.

Abstract: A scraper for an applicator to be used in electron radiation therapy includes a three layer arrangement. A first layer of the three layer arrangement faces an incident direction of electrons and consists of a first material of a first atomic number. The first atomic number is smaller than a second atomic number of a second material of a second layer of the three layer arrangement, The second atomic number is smaller than a third atomic number of a third material of a third layer of the three layer arrangement. The third layer faces away from the incident direction of the electrons.

Abstract: An electromagnetic shielding coating covers a lens coated with an optical coating. A light shielding coating covers the optical coating. The electromagnetic shielding coating covers the light shielding coating. The electromagnetic shielding coating includes a first metal layer containing stainless steel and covering the light shielding coating directly, a second copper layer formed on the first metal layer, and a third metal layer formed on the second copper layer. The third metal layer includes stainless steel and copper.

Abstract: A heavily filled bismuth compound composite having a polymer matrix and a bismuth compound therein. The bismuth compound may be bismuth oxide, or other bismuth compounds. The polymer may be any of a very wide range of materials or combinations thereof. Binder, secondary fillers or other third components may be added. By means of use of various bismuth compounds, polymers, and third components, the physical, radiological and electrical properties of the finished products may be tailored to achieve desired properties. In addition, the invention teaches that radiation shielding, insulators, and combined radiation shield/insulators may be fashioned from the composite. A wide range of production methods may be employed, including but not limited to liquid resin casting.

Abstract: Radiation shields include an outer composite wall, an inner composite wall, and an enclosed fuel chamber disposed between the inner and outer composite walls. A fuel may be contained within the enclosed fuel chamber. Spacecraft include one or more such radiation shields, and may further include a fuel cell and a conduit providing fluid communication between the fuel chamber of the radiation shield and the fuel cell. Methods of forming a radiation shield system include forming an enclosed fuel chamber between an outer composite wall and an inner composite wall of a radiation shield, and providing fuel within the enclosed fuel chamber.

Abstract: An apparatus for forming a beam of electromagnetic radiation. The apparatus includes a plasma radiation source, a foil trap provided with a plurality of thin foils that extend substantially parallel to the direction of radiation from the plasma source, and a grid disposed between the plasma radiation source and the foil trap. A space is located between the grid and the foil trap. An electrical potential application circuit is constructed and arranged to apply an electrical potential to the grid so that the grid repels electrons emitted by the plasma radiation source and creates a positive space charge between the grid and the foil trap to deflect ions emitted by the plasma radiation source to the foil trap. A distance between the grid and the foil trap is at least equal to one-half of a radius of the foil trap.

Abstract: A shield for absorbing radiation emitted during generation of a radioisotope. The shield includes an inner portion fabricated from a first type of shielding material. The shield also includes an outer portion fabricated from a second type of shielding material wherein the outer portion serves as a mold for forming the inner portion. The inner portion may be fabricated from a material which shields against gamma rays such as concrete. The outer portion may be fabricated from a material which moderates neutrons such as high density polyethylene. Additional shielding materials may be embedded into the inner portion as desired.

Abstract: In one characterization, the present invention relates to a radiation-shielding assembly for holding a container having a radioactive material disposed therein. The assembly may, at least in one regard, be referred to as an elution shield and/or a dispensing shield. The assembly includes a body at least partially defining a cavity. There is at least one opening through the body into the cavity. The assembly may include a cap that at least generally hinders escape of radiation from the assembly through the opening. The cap may be releasably attached to the body in one orientation and may establish non-attached engagement with the body in another orientation. The assembly may include an adjustable spacer system for adapting the assembly for use with containers having different heights.

Abstract: A novel method of partial breast radiation utilizing a breast implant which can provide a stable and improved target for stereotactic radiation treatment.

Abstract: Provided herein are metal nanoparticles, metal nanopowders, methods of synthesizing the same, and radiation shields using the same.

Abstract: The invention relates to a radiation attenuation elastomeric material of the type comprising an elastomer in which a powder of metal oxides is dispersed, and which is characterized in that the powder of metal oxides comprises from 70 to 90% by mass of bismuth trioxide, from 5 to 15% by mass of tungsten trioxide and from 5 to 15% of lanthanum trioxide. It also relates to the use of this elastomeric material for making individual protective articles against ionizing radiations. It further relates to a multilayer protective glove against ionizing radiations, at least one layer of which is formed by said elastomeric material, as well as to the use of this glove for protection against ionizing radiations emitted by powders of nuclear fuels, notably with plutonium. Fields of application: the nuclear industry for handling powders of nuclear fuels but also medical imaging, interventional radiology, nuclear medicine, processing of plastic materials, inspection and control of manufactured parts, etc.

Abstract: An implantable electronic medical device is compatible with a magnetic resonance imaging (MRI) scanner. The device has a housing with exterior walls, each formed by a dielectric substrate with electrically conductive layers on interior and exterior surfaces. A series of slots divide each layer into segments. Segmenting the layers provides high impedance to eddy currents produced by fields of the MRI scanner, while capacitive coupling of the segments provides radio frequency shielding for components inside the housing. Electrical leads extending from the housing have a pair of coaxially arranged conductors and traps that attenuate currents induced in the conductors by the fields of the MRI scanner.

Abstract: A method of radiation sterilizing a plurality of stent-catheter assemblies includes positioning a plurality of stent-catheter assemblies on a fixture, each of the stent catheter assemblies being arranged in a planar configuration and disposed in corresponding planar packages supported on the fixture, wherein the packages are stacked horizontally on the fixture, and wherein the stents of the assemblies are positioned at a position in each package such that the stents are exposed to the same or substantially the same radiation; and exposing the packages to an incoming radiation beam, the radiation beam being at an acute angle to the planes of the planar configuration of the assemblies, wherein the packages are arranged such that a front end of the stack faces the radiation beam and a back end of the stack faces away from the radiation beam.

Abstract: The present invention relates to a shutter system operable between an open position, and a closed position operable to avoid unintended exposure of a surface to radiant flux, wherein said shutter system comprises at least one pair of shields, and an axis for each shield, wherein a first axis is connected to an end part of a first shield, and coincides with the turning axis of the first shield, wherein a second axis, in the shape of an angled arm, is connected to an end part of a second shield and the turning axis of the second shield is parallel to the turning axis of said first shield and is arranged at a distance from the second shield.

Abstract: Disclosed herein are embodiments of a radiation shielding lid of a radiation shielding container (e.g., auxiliary radiation shield) designed to house a radioisotope generator assembly.

Abstract: A transmission module including an emitter device, a first reflection device, and a second reflection device is disclosed. The emitter device emits a light. The first reflection device reflects the light to generate a first reflected light. The second reflection device reflects the light to generate a second reflected light. The energy of the first reflected light is different from the energy of the second reflected light.

Abstract: Disclosed is an electromagnetic wave interference (EMI)/radio frequency interference (RFI) shielding resin composite material including (A) a thermoplastic polymer resin, (B) a tetrapod whisker, and (C) a low melting point metal.

Abstract: A device containment apparatus includes a vessel for storing an explosive device and minimizing dispersal of radioactive material. The vessel includes an outer wall defining an interior area. A first frame supports the vessel and supports a first or outer radiation shield that is spaced from the vessel. A second or inner radiation shield can also be provided, supported adjacent the vessel's outer wall by a second frame that includes upper and lower frame rings. The vessel and the second radiation shield can be generally spherical, while the first frame is substantially rectangular, and the first radiation shield includes substantially planar sides.

Abstract: There is described an open cell porous structure the cells of which are optionally filled with an elastomeric or thermosetting plastic comprising a nanocrystalline metallic or nanocrystalline metal matrix composite coating wherein the nanocrystals have a crystallite size of from about 5 nm to about 150 nm. A process for preparing the coated open cell porous structures is also disclosed.

Abstract: Provided is a near-infrared shielding coating agent containing: (1) an inorganic near-infrared absorbing agent; (2) a tetrafunctional silicon compound represented by general formula Si(OR1)4, a hydrolysate thereof, and/or a condensation polymerization product thereof; (3) a trifunctional silicon compound represented by general formula R2Si(OR3)3, a hydrolysate thereof, and/or a condensation polymerization product thereof; (4) a silane coupling agent represented by one of the general formulas Si(X)3-Y or R4Si(X)2-Y, a hydrolysate thereof, and/or a condensation polymerization product thereof; and (5) a solvent. This coating agent allows the formation, at an ordinary temperature between 5° C. and 40° C., of a near-infrared shielding film that has a high film hardness and is not prone to cracks.

Abstract: Attenuating, while handling an animal, one's own emanated electromagnetic field by wearing apparel that includes an electromagnetically shielding fabric. The shielding fabric comprises a substantially continuous system of conductive fibers combined with non-conductive fabric. Or attenuating, while a handler is handling an animal, the electromagnetic field emanated by the handler, by (i) providing to the handler apparel that includes the electromagnetically shielding fabric, and (ii) instructing the handler to wear it while handling an animal, respectively. The attenuation of the emanated electromagnetic field decreases the likelihood of the animal reacting to the emanated electromagnetic field.

Abstract: Attenuating, while in or on a body of water, one's own emanated electromagnetic field by wearing apparel that includes an electromagnetically shielding fabric. The shielding fabric comprises a substantially continuous system of conductive fibers combined with non-conductive fabric. Or attenuating, while a person is in or on a body of water, the electromagnetic field emanated by the person, by (i) providing to the person apparel that includes the electromagnetically shielding fabric, and (ii) instructing the person to wear it while in or on the water. The attenuation of the emanated electromagnetic field decreases the likelihood of a person being located in the body of water by a water-borne predator detecting that person's emanated electromagnetic field.

Abstract: A personal radiation protection garment that substantially contours to an operator's body is suspended from a suspension means. The garment is operable to protect the operator from radiation. The suspension means is operable to apply constant force. The suspension means allows operator wearing protective radiation garment to move freely in the X, Y, and Z spatial planes simultaneously, such that the protective radiation garment is substantially weightless to operator. A radiation protection face shield and flap can also be suspended from suspension means, such that face shield and flap are substantially weightless to operator. The suspension means can be mounted to a ceiling.

Abstract: An electromagnetic-wave suppressing material is provided. The electromagnetic-wave suppressing material includes an ionic liquid and nanometer-order particles mixed with the ionic liquid, where 10 wt % or more of the nanometer-order particles is mixed with respect to 100 wt % of the ionic liquid.

Abstract: In one or more embodiments, a multi-axis articulated solar light shade that protects elements of a space-based sensor from direct solar illumination includes a base; a partial conical baffle tube having a first end portion, a second end portion, an elongated curved portion defining a shade between the first and second end portions, and an opening defined in an interior of the elongated curved portion, the first end portion rotatably attached to the base; and a visor pivotably attached to the second end portion. The partial conical baffle tube may be selectively rotated about a sensor line-of-sight in response to the sun's position relative to the sensor line-of-sight; and the visor may be selectively pivoted relative to the partial conical baffle tube in response to the sun's position relative to the sensor line-of-sight so as to protect the sensor from the direct solar illumination at any given time or any given orbital position.

Abstract: Disclosed is a shield (8, 10) disposed between an ion source (1) of an ion milling device and a sample (7) so as to be in contact with the sample. The shield is characterized by having a circular shape having an opening at the center, and by being capable of rotating about an axis (11) extending through the opening. Further, a groove is provided in the ion source-side surface of an end portion of the shield, and an inclined surface is provided on an end portion of the shield. Thus, an ion milling device having a shield, wherein the maximum number of machining operations can be increased, and the position of the shield can be accurately adjusted.

Abstract: The objective is to obtain a bolus, with which there can be formed an irradiation field that is accurately suited to the depth-direction shape of an irradiation subject, and a particle beam therapy system. An irradiation orbit of a particle beam is defined by a first slant with respect to a first axis that starts from a first reference point, that is perpendicular to a beam axis, and that includes the first reference point and by a second slant with respect to a second axis that is perpendicular to the beam axis and the first axis; the shape of a bolus is set in such a way that the path length, of a particle beam, within the bolus in each of the irradiation orbits defined for combinations within a predetermined range among combinations of the first slant and the second slant, compensates the path length from a body surface to a to-be-irradiated portion.

Abstract: A system and method for collimation in diagnostic imaging systems is provided. One collimation system includes a collimator for a radiation imaging detector having a plurality of adjustable segments and a plurality of collimator holes within each of the plurality of adjustable segments. The plurality of adjustable segments are configured to move independently of a detector to adjust a field of view of the collimator holes.

Abstract: An energy modulator for use with a particle source that provides a beam of particles includes a first block moveable between a first position and a second position, wherein when the first block is at the second position, it is in a path of the beam, and a second block moveable relative to the first block, wherein the second block and the first block are offset from each other in a direction of the beam, wherein the first block has a first energy absorption characteristic, and the second block has a second energy absorption characteristic that is different from the first energy absorption characteristic.

Abstract: The disclosed invention proposes a reconfigurable radiation shield that, compared to art static shields, improves the protected volume/weight ratio. The reconfigurable shield is applicable in the medical field, in the aerospace industry, in mobile radiological laboratories and decontamination vehicles, as well as in other fields where intensity-fluctuating radiation and variable direction radiation represent a hazard.

Abstract: An apparatus for attenuating high energy radiation including an attenuation member for attenuating high energy radiation in a high energy radiation field emitted from a high energy radiation source towards a subject. A control unit is provided for selectively activating the attenuation member. A method for attenuating high energy radiation is also disclosed.

Abstract: An electromagnetic wave shielding material and a sheet using the same are described. Also described is a gel state electromagnetic wave shielding material including an ionic liquid, and fine particles capable of reflecting, suppressing or absorbing an electromagnetic wave suspended in the ionic liquid. The electromagnetic wave shielding material may provide both high electromagnetic interference shielding ability and flexibility when used in sheet form, and in some applications, may provide flame and heat resistance.

Abstract: A modulator for radiation therapy provides modulation of an area beam to decrease treatment time. Separate channels passing modulated “beamlets” are possible by spacing the channels such that spreading of the beams and multiple angles of treatment eliminate cold spots. The space between the channels allows well-defined channel walls and space for modulator mechanisms.

Abstract: A radiation system includes a contamination barrier configured to permit radiation from a radiation source to pass through and to capture debris coming from the radiation source. The contamination barrier includes a plurality of lamellas. The surface of the lamellas includes a material. The radiation system also includes a collector configured to collect radiation from the contamination barrier. An optical surface of the collector includes a material that is the same as the material of the surface of the lamellas.

Abstract: In a mask for hardening a sealant and a method of manufacturing a flat display device using the mask, the mask includes a main body in which a transmission slit is formed, and a partial shielding portion partially shielding the transmission slit. The transmission slit corresponds to the shape of the sealant enclosing a light-emitting portion formed on a substrate. By using such a mask, the partial shielding portion covers a portion where the amount of laser irradiation is relatively large, thus hardening the sealant uniformly across the entire regions of the sealant, and thus guaranteeing a stable encapsulating structure.

Abstract: A radiation shielding device comprises a first leaded shield assembly comprising a lower portion and an upper portion, wherein: at least the upper portion comprises a transparent leaded material; the first leaded shield assembly is operable to prevent further transmission of at least some radiation generated by a fluoroscopy device; the first leaded shield assembly comprises an outer vertical edge and an inner vertical edge; the inner vertical edge of the first leaded shield assembly further comprises a notch positioned between the upper portion and the lower portion, the notch defining a table edge and a patient edge; and the first leaded shield assembly is configured such that the table edge may be positioned under a patient supporting table and the patient edge may be positioned above a patient laying on the patient supporting table.

Abstract: Provided is a radiation-shielding glass, including a glass composition in % by mass of 10 to 35% SiO2, 55 to 80% PbO, 0 to 10% B2O3, 0 to 10% Al2O3, 0 to 10% SrO, 0 to 10% BaO, 0 to 10% Na2O, and 0 to 10% K2O, in which the radiation-shielding glass has a total light transmission at a wavelength of 400 nm at a thickness of 10 mm of 50% or higher. Also provided is a radiation-shielding glass which has the similar glass composition and can be used for a gamma-ray shielding glass for a PET examination.