Abstract: A radiation shielding panel includes a tungsten powder and a polyurea material. The tungsten powder includes tungsten particles having three different specific diameters. The tungsten powder is mixed and dispersed into the polyurea material. The mixture of the polyurea material and the tungsten powder shields radiation greater than about 6 MeV.

Abstract: A cryogenically cooled radiation shield device and method are provided to shield an area, such as the capsule of a space vehicle, from radiation. A cryogenically cooled radiation shield device may include at least one first coil comprised of a superconducting material extending about the area to be shielded. The cryogenically cooled radiation shield device also includes a first inner conduit extending about the area to be shielded from radiation. The at least one first coil is disposed within the first inner conduit. The cryogenically cooled radiation shield device also includes a first outer conduit extending about the area to be shielded from radiation. The first inner conduit is disposed within the first outer conduit. The cryogenically cooled radiation shield device also includes a first cryogen liquid disposed within the first inner conduit and a second cryogen liquid, different than the first cryogen liquid, disposed within the first outer conduit.

Abstract: The invention relates to a material that absorbs electromagnetic waves, characterized in that it includes at least one textile layer printed using at least one conductive ink in accordance with at least one pattern including printed areas and non-printed areas in an arrangement suitable for a corresponding range of absorption frequencies.

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 ion generation unit (1) provided with an ion generation element (20) for generating ions through application of voltage, and a casing (10) housing the ion generation element. The casing is constituted by a casing body (11) and a rear cover (12). To the inside face of the casing are attached suppressing members (30, 31, 32, 33) for suppressing the radiation noise associated with ion generation. Openings (13, 14) through which the ions generated by the ion generation element are emitted to the outside are formed in the casing body, and the suppressing members are attached at locations other than the openings.

Abstract: Controlling electromagnetic (‘EM’) radiation in a data center having a number EM sections, including: receiving, by an EM controller, a specification of preferred EM radiation characteristics for the data center; and setting, by the EM controller, a state of each EM section in accordance with the specification, where the state of each EM section may be one of: an absorption state in which the EM section absorbs EM radiation or a reflection state in which the EM section reflects EM radiation.

Abstract: An X-ray obscuration (XRO) film comprising one or more metallic wire mesh layers and an adjacent layer of indium foil having portions which extend into openings of the wire mesh and in contact with metallic portions thereof. The XRO film can be capable of absorbing at least a portion of X-ray energy thereby creating an interference pattern when the XRO film is coupled with an electronic circuit and placed between an X-ray source and an X-ray detector and subjected to radiographic inspection. The interference pattern can create sufficient visual static to effectively obscure circuit lines in the electronic circuit when subjected to radiographic inspection techniques. The XRO film can be substantially thinner than existing solutions for preventing X-ray inspection with an exemplary embodiment being no more than 5 mils thick. The metallic XRO film can also provide electromagnetic shielding and/or heat dissipation for electronic circuits.

Abstract: A mobile terminal includes a main body; at least one circuit board placed in the main body and comprising an upper surface, a lower surface, and at least one lateral surface; at least one conductive body disposed at the at least one lateral surface of the at least one circuit board and electrically connected to a ground of the at least one circuit board; and at least one shield member mounted on the at least one circuit board. The at least one shield member includes a base portion formed to cover at least part of the upper surface or the lower surface of the at least one circuit board and at least one protrusion portion protruded from the base portion and formed to be electrically in contact with the at least one conductive body.

Abstract: Articles of manufacture and a method of how to utilize the same in order to create a radiation shielding barrier wall assembly. A metal stud and a metal support bar and a metal restraining bar and a prefabricated radiation shielding lead panel whereby the assembly of these components in the manner as directed and in conjunction with commercially available preexisting metal stud components will result in all radiation shielding lead panels overlapping at all interior field joints, and will result in no punctures or damage in any way to the radiation shielding lead created by the attachment method, creating a radiation shielding leak-proof metal stud system.

Abstract: In the present invention, there is provided, as a shielding material for beta rays or gamma rays emitted from an earth surface surrounding a nuclear power plant after an accident, a rubber sheet wherein a synthetic rubber or natural rubber, each containing no vulcanizing agent is compounded with a large amount of sand iron or barite. By placing this shielding material on a radiation-contaminated earth surface, or by reversing the position of the soil of earth surface of higher radiation dose and the position of the soil beneath the earth surface, of lower radiation dose, in such a way that the above-mentioned shielding material is placed between the new upper-position soil of lower radiation dose and the new lower-position soil of higher radiation dose, the dose of radiation emitted from the earth surface can be reduced.

Abstract: Novel nail gel curing devices and methods of their use are disclosed. Novel shields for nail gel curing devices and methods of their use are also disclosed. The devices and shields are useful for curing nail gels and more particularly where light emitting diode “LED” equipped devices are used to cure UV-VIS curable nail gel resins.

Abstract: Radiation shields and radiation shielding systems for attenuating ionizing radiation include two or more attenuating elements, such as layers. The two or more attenuating elements may include different attenuating materials. The two or more attenuating elements may be configured to attenuate ionizing radiation differently than one another. In some embodiments, different attenuating elements may be configured for use with different energies or ranges of energies of ionizing radiation. The concurrent use of two or more layers or other attenuating elements may optimize the ability of a radiation shield to attenuating ionizing radiation. Systems and methods for attenuating ionizing radiation are also disclosed.

Abstract: An ionizing radiation barrier includes a binder selected from thermoplastics, silicone elastomers, plastisols and organisols; and high density particles dispersed throughout said binder. The particles are preferably homogeneously dispersed and the radiation barrier is preferably devoid of air bubble and pin holes. The high density particles are radio-opaque so as to provide for radiation attenuation. A method of protecting a body from ionizing radiation includes positioning such an ionizing radiation barrier between an ionizing radiation source and a body to be protected. A method for producing an ionizing radiation barrier includes the steps of: homogeneously dispersing high density particles in a binder to create a loaded binder; deaerating the loaded binder to remove air bubbles; forming a desired structure from the loaded binder; and setting the loaded binder.

Abstract: A radiation shield, which may attenuate nuclear radiation or ionizing particles, may include a non-toxic, radioactivity-attenuating material based on an element or an elemental species having an atomic number of 56 or more. Examples of such materials include barium sulfate and bismuth oxide. A radiation shield may include two or more different radioactivity-attenuating materials, which may attenuate different types of nuclear radiation or ionizing particles, or attenuate different energy ranges of nuclear radiation or ionizing particles. Different radioactivity-attenuating materials may be carried by different layers of the radiation shield. Radiation shields with at least partially superimposed layers are also disclosed. Adjacent layers of such a radiation shield may be able to move longitudinally relative to one another, or slide somewhat relative to each other.

Abstract: The invention relates to a neutron reflector block. The neutron reflector block comprises a first portion and a second portion. The first portion has a first end face and oppositely located intermediate shoulders which are spaced from the first end face. The first end face and the intermediate shoulders are bounded by spaced side faces and spaced upper and lower faces. The second portion protrudes from the first portion between the intermediate shoulders and has spaced side faces and spaced upper and lower faces. The second portion side faces are more narrowly spaced relative to the first portion side faces. The second portion also has a second end face located oppositely to the first end face.

Abstract: A mask drawing method includes: disposing a grounding body provided with a grounding pin at a plurality of different places on a mask substrate to measure resistance values; disposing the grounding body at a position where the resistance value is lowest, among the plural positions where the resistance values are measured; and irradiating an electron beam to the mask substrate to draw a desired pattern.

Abstract: The present invention relates to the protection of medical patients and personnel from harmful radiation. More specifically, this invention provides a compact, light-weight article to be worn in areas of the body most sensitive to radiation. These include, for example, the pelvic area, the genital and gonad areas, the breast area to guard against radiation to the mammary gland, the neck and throat to protect the thyroid gland, the eye area to protect the crystalline lens.

Abstract: A light solidifying device includes a body, a magnetic slide cover unit connected to the body, a control unit connected to the body, and a light solidifying unit disposed in the body. An inner case of the body is a polygonal case, and an inclined sidewall of the inner case is arranged to face to a user's finger nails in a direction perpendicular to the inclined sidewall. The magnetic slide cover unit can be movable to adjust the opened area of a first opening and a second opening of the body for shielding the light rays emitted from the light emitting diode to prevent from irradiation of the light on the user's eyes and skin during use.

Abstract: Various non-limiting embodiments disclosed herein generally relate to metallurgically dense radiation shields formed from bismuth alloys comprising from 10 weight percent to 60 weight percent tin that are essentially free of toxic heavy metals chosen from lead, cadmium, and uranium; and radiation attenuation devices comprising the same. Other non-limiting embodiments disclosed herein relate to methods of making metallurgically dense radiation shields comprising bismuth alloys comprising from 10 weight percent to 60 weight percent tin. Still other non-limiting embodiments herein generally relate to methods of shielding radiation-emitting devices using metallurgically dense radiation shields formed from bismuth alloys comprising from 10 weight percent to 60 weight percent tin that are essentially free of toxic heavy metals chosen from lead, cadmium, and uranium.

Abstract: The system and methods of the invention partially shields the radiation dose to the skin and/or other anatomical organs by using magnetically responsive material that blocks radiation, which may be fine grains of iron or other ferrous powder for example. The powder is typically injected into an IB applicator, along with inflating saline solution in case of MSB, when a skin spacing problem is encountered, or there is a risk of high doses being delivered to the critical organs surrounding a lumpectomy cavity, for example. A slight magnetic field of predetermined configuration will be applied externally to arrange the shielding material internally under the segment of surface of the IB applicator where the skin spacing is typically less then 7 mm, thereby protecting the skin from radiation damage. Monte Carlo studies to develop parameterizations for treatment planning with the IB applicator utilizing the suggested shielding material is also provided.

Abstract: An overall lead-free X-ray shielding rubber compound material. The overall lead-free X-ray shielding rubber compound material uses rare earth mixture to replace lead, simultaneously adds metal tin and compounds thereof, metal tungsten and compounds thereof and bismuth and compounds thereof as shielding main materials and is further compounded with rubber to prepare the compound material which can realize the overall shielding and the complete lead-free property within the energy range of 40-170 kVp. When rare earth and bismuth materials are used, the way of combined use of two metal element inorganic compounds and unsaturated organic complexes is adopted, and the in-situ reaction and the compounding with a polymer matrix are carried out, thereby leading the shielding element disperse phase to form nano-micro-level dispersed particles.

Abstract: Dental curing systems, apparatuses, and methods may include a light source, a perforated plate, and a dental composite. The perforated plate may be positioned between the light source and the dental composite. The perforated plate may include a plurality of perforations that convert a first curing light beam from the light source into multiple curing light beams before reaching the dental composite. The multiple curing light beams come in contact with the dental composite to begin the curing process at certain locations on the dental composite. The perforated plate may then be removed, and a second curing light beam from the light source may be applied to the dental composite to complete the curing process.

Abstract: A canister for transporting and/or storing radioactive materials, the canister comprising two concentric shells between which is housed a radiological protection device comprising at least a first and a second metal components adjacent along a circumferential direction. According to the invention, the first component is supported against the outer shell and at a distance from the inner shell, whereas the second component is supported against the shell and at a distance from the shell. In addition, the components are in contact with each other along an interface taking, in section along any plane orthogonal to the longitudinal axis and crossing this interface, the form of a straight line segment defining with a radial straight line crossing it at its centre an acute angle (A).

Abstract: Systems and methods for shielding medical personnel from radiation are provided. A radiation-shielding barrier is positioned between the medical personnel and the radiation source. The radiation-shielding barrier includes an opening such that a portion of the table extends through the opening in the barrier. Medical personnel are protected from secondary radiation transmitted through the patient via a special layering technique of a first, flexible sterile drape, a flexible radiation-resistive drape, and a second flexible sterile drape. The system includes an upper shield and a lower shield of independent movement and a linking mechanism between the two, while maintaining the radiation seal. The system also includes a mechanism for maintaining the radiation barrier between the upper shield and the patient aperture hoop, preventing a radiation gap from forming between the flexible portions of the system (e.g. flexible drapes, curtains, etc.) and the non-flexible portions of the system (e.g.

Abstract: A radiation protective garment having three layers including an inner layer having a plurality of apertures defined therein, a radiation protective layer and an outer layer, such garment having internal stays for supporting the garment's weight above the shoulders of the wearer with such weight resting on the wearer's waist/pelvic area, with the structure and method including an air movement device disposed on the exterior of the garment for directing an air flow through an air entry aperture formed in the outer layer and radiation protective layer with such air flow then passing through the plurality of apertures formed in the inner layer to cool the wearer of the garment. The air movement device and method can also include an air cooling device.

Abstract: A modulator for use in a radiation system with directional radiation beams respectively collimated into radiation fields, including a plurality of displaceable radiation attenuating elements arranged in at least one row, the radiation attenuating elements being configured to attenuate portions of a radiation beam inside the radiation field according the position of the radiation attenuating elements, and wherein each radiation attenuating element is respectively attached to a substantially radiolucent member, and a driver operable to store motion profiles and to respectively drive the radiation attenuating elements in directions generally perpendicular to the radiation beam via the substantially radiolucent members, wherein the respective motions of the radiation attenuating elements are according to corresponding motion profiles, and wherein a motion profile relates position and/or velocity of the radiation attenuating elements to time and/or irradiation level.

Abstract: An energy filter allows, particularly at lower beam energies, a determined spread of the beam energies in order to preserve the beam edges and to spread the Bragg peak at each individual beam energy. The energy filter behaves similarly to a ridge filter and spreads out the Bragg peak of a low energy proton beam (70-100 MeV) so that energy modulation of the beam can be done with steps of 5 mm in one go over the full range of 235-70 MeV. Due to its mechanical flexibility, the energy filter can be placed on the skin of the patient which minimizes the effect of scattering in the filter due to the short distance behind a layer of a plurality of metal particles within a flexible soft plastic sheet to the skin of the patient.

Abstract: An elastomeric matrix impregnated with at least 70% by weight of a high atomic number radiopaque substance, and cured with an organic peroxide, to form carbon-carbon links between elastomer molecular chains. The radiopaque elastomeric matrix may be used to create a flexible, lightweight, carbon-carbon linked, multilaminated protection material against ionizing radiation. The multilaminated protec tion material may include a mechanical reinforcement cloth layer to avoid material expansion or rupture; and additional external elastomeric layers for protection against aging, physical, biological and chemical hazards, as well as allowing mechanical memory of the material and easy cleaning, desinfection and sterilization.

Abstract: The present invention is directed to composite metal foams comprising hollow metallic spheres and a solid metal matrix. The composite metal foams show high strength, particularly in comparison to previous metal foams, while maintaining a favorable strength to density ratio. The composite metal foams can be prepared by various techniques, such as powder metallurgy and casting.

Abstract: A superhydrophobic electromagnetic field shielding material includes a curable resin and a carbon material, the superhydrophobic electromagnetic field shielding material including at least two depression patterns on an exposed surface. The at least two depression patterns may include a first depression pattern including a plurality of grooves having a same shape and a second depression pattern including a plurality of grooves having a same shape. The carbon material may be about 3 wt % to about 20 wt % based on the total weight of the superhydrophobic electromagnetic field shielding material.

Abstract: A method for utilizing an implant in a human breast includes forming a breast cavity within the breast at a lumpectomy site, the breast cavity having surrounding tissue; forming a substantially radio-opaque implant constructed of biocompatible and biodegradable material configured to allow for in-growth of fibrous tissue into and replacing the biocompatible and biodegradable material, the biocompatible and biodegradable material being elastically compressible; sizing the substantially radio-opaque implant to occupy the breast cavity; and implanting within the breast cavity the substantially radio-opaque implant to support the tissue surrounding the breast cavity, the step of implanting including compressing the biocompatible and biodegradable material.

Abstract: A neutron absorbing insert for use in a fuel rack and method of manufacturing the same. In ones aspect, the invention is a neutron absorbing apparatus comprising: a plate structure having a first wall and a second wall that is non-coplanar to the first wall; the first and second walls being formed by a single panel of a metal matrix composite having neutron absorbing particulate reinforcement that is bent into the non-coplanar arrangement along a crease; and a plurality of spaced-apart holes formed into the single panel along the crease prior to bending.

Abstract: Disclosed are embodiments of an ion beam shield for use in an ion beam sample preparation apparatus and methods for using the embodiments. The apparatus has an ion beam irradiating means in a vacuum chamber that may direct ions toward a sample, a shield blocking a portion of the ions directed toward the sample, and a shield retention stage with shield retention means that replaceably and removably holds the shield in a position. The ion beam shield has datum features which abut complementary datum features on the shield retention stage when the shield is held in the shield retention stage. The shield has features which enable the durable adhering of the sample to the shield for processing the sample with the ion beam. The complementary datum features on both shield and shield retention stage enable accurate and repeatable positioning of the sample in the apparatus for sample processing and reprocessing.

Abstract: Electromagnetic radiation barriers and waveguides, including barriers and waveguides for light, are disclosed. The barriers and waveguides are fabricated by directing charged particles, for example, ions, into crystalline substrates, for example, single-crystal sapphire substrates, to modify the crystal structure and produce a region of varying refractive index. These substrates are then heated to temperatures greater than 200 degrees C. to stabilize the modified crystal structure and provide the barrier to electromagnetic radiation. Since the treatment stabilizes the crystal structure at elevated temperature, for example, above 500 degrees C. or above 1000 degrees C., the barriers and waveguides disclosed are uniquely adapted for use in detecting conditions in harsh environments, for example, at greater than 200 degrees C. Sensors, systems for using sensors, and methods for fabricating barriers and waveguides are also disclosed.

Abstract: A three-part laminated surface construction can be shaped and molded by hand and will retain that shape until the particular need is met, such as controlling the flow of liquids and resins, or establishing a protective cover. The surface construction includes a center layer of pliable hand-moldable sheet with pliable sheet outer layers secured over the hand-moldable sheet. The perimeter of the pliable outer layers are secured together. The pliable hand-moldable sheet can be provided with diagonal slots to form quadrants for folding around and protection from sharp objects. In one form cloth inserted rubber material is used for the outer layers. In one form, a strap with loop and hook fastener is provided to aid in securing the protective cover in place.

Abstract: A panel for functioning as a barrier to radiation includes at least one layer for restricting the passage of radiation, and the layer for restricting the passage of radiation may be a layer of silicone impregnated with metal, such as tungsten and/or iron. The impregnated silicone layer may be mounted to and supported by at least one other structure of the panel. For example, the impregnated silicone layer may be positioned between, and laminated to, other layers of the panel. In one embodiment, the impregnated silicone layer is positioned between foam layers of the panel to form a core, and the core is positioned between exterior layers of the panel. One or more exterior layers of the panel may be in the form of sheet metal or any other suitable structure.

Abstract: Methods of building Z-graded radiation shielding and covers. In one aspect, the method includes: providing a substrate surface having about medium Z-grade; plasma spraying a first metal having higher Z-grade than the substrate surface; and infusing a polymer layer to form a laminate. In another aspect, the method includes electro/electroless plating a first metal having higher Z-grade than the substrate surface. In other aspects, the methods include improving an existing electronics enclosure to build a Z-graded radiation shield by applying a temperature controller to at least part of the enclosure and affixing at least one layer of a first metal having higher Z-grade from the enclosure.

Abstract: A thermal neutron shield comprising boron shielding panels with a high percentage of the element Boron. The panel is least 46% Boron by weight which maximizes the effectiveness of the shielding against thermal neutrons. The accompanying method discloses the manufacture of boron shielding panels which includes enriching the pre-cursor mixture with varying grit sizes of Boron Carbide.

Abstract: The present invention relates to the protection of medical patients and personnel from harmful radiation. More specifically, this invention provides a compact, light-weight article to be worn in areas of the body most sensitive to radiation. These include, for example, the pelvic area, the genital and gonad areas, the breast area to guard against radiation to the mammary gland, the neck and throat to protect the thyroid gland, the eye area to protect the crystalline lens.

Abstract: A dispenser apparatus for dispensing a flowable material includes a chassis portion, a sensor disposed proximate the chassis portion for sensing a presence of an object, a pump assembly arranged on the chassis portion, operative to dispense the flowable material responsive to receiving a signal from the sensor, and a shield member disposed proximate to the sensor.

Abstract: This invention provides melanin nanoshells and their use for protection against radiation, particularly ionizing radiation, and electronic pulses, and methods of making materials comprising melanin nanoshells.

Abstract: A movable device holds a radiation protection drape for reducing exposure and protecting medical personnel from hazardous X-ray radiation scattered by the patient during fluoroscopy. The device enables positioning an X-ray opaque drape such that it covers the patient in an anatomically and procedurally compatible ways that reduces significantly the scattered radiation towards the operators. The device is capable of repositioning the X-ray opaque drape according to the C-arm movement to prevent interfering with the X-ray beam and the fluoroscopy image. The device is simple to use, reusable, and intended for the invasive, diagnostic and interventional procedure done in the catheterization laboratory.

Abstract: A method of using automatic whole body personnel contamination monitors and/or means for decontaminating individuals exposed to radioactive material contamination is provided. The inventive method involves the use of these monitors and/or decontamination means in intermodal containers of mobile-unit structures dedicated to responding to radiological emergency situations. Also provided are such mobile-unit structures, as well as systems that employ such mobile-unit structures.

Abstract: Radiation shields and radiation shielding systems for attenuating ionizing radiation include two or more attenuating elements, such as layers. The two or more attenuating elements may include different attenuating materials. The two or more attenuating elements may be configured to attenuate ionizing radiation differently than one another. In some embodiments, different attenuating elements may be configured for use with different energies or ranges of energies of ionizing radiation. The concurrent use of two or more layers or other attenuating elements may optimize the ability of a radiation shield to attenuating ionizing radiation. Systems and methods for attenuating ionizing radiation are also disclosed.

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: There is disclosed a radiation stable shield for use in space or high altitude applications. The shield comprises a plurality of overlapping planar glass flakes which are held in a lamellar matrix of flexible polymeric material. The flakes are each formed of a radiation stable glass which is suitable for use in space or high altitude applications. The flakes are arranged in alignment with the lamellar direction of the matrix.

Abstract: A radiation resistant clothing includes a first radiation resistant layer for directly reflecting electromagnetic radiation (EMR) and a second radiation resistant layer for absorbing EMR which penetrates through or under the edges of clothing worn over the human body. The second radiation resistant layer is positioned on an inside of the first radiation resistant layer and has radiation absorbing material which dissipates indirect EMR in the form of heat or other energy.

Abstract: A radiation shielding method and a device, and a method of processing a structure, in which a first radiation-shielded region (A1) is provided by disposing a first radiation-shielding device (100) outside a nuclear reactor vessel (41), a neutron flux detector (77) is moved into the radiation-shielded region (A1) through a conduit tube (65) by moving a thimble tube (68) from the nuclear reactor vessel (41), and an inspection/repair work of the nuclear reactor vessel (41) is then performed, so that an amount of radiation delivered to a worker can be easily and sufficiently reduced.

Abstract: Components and systems for a PET radiopharmacy include a transport shield for a radioisotope cartridge, a cassette for dispensing from a transport shield, a cassette synthesis platform for a cassette, and a synthesizer shield.

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.