135 results about "Absorption radiation" patented technology

A modular system for constructing an atmospheric pressure plasma source. A plasma torch module may be constructed by reassembling the structural components of two (2) different models of spark plugs. Each module can produce a plasma torch having a radius of about 1 cm or more, a height of about 6 cm, and a peak density exceeding 1013 cm-3. A set of modules, each connected in series, may be used with a ballasting capacitor such that an array can be operated while sharing a common power supply to produce a plasma having a relatively large volume and a relatively high density. A system having a number of plasma torch modules may be used in applications for absorbing radiation, reducing air drag and igniting fuel.

A radiation-absorbing polymeric material comprises units of a polymerizable UV-absorbing compound and a monomer, and is capable of absorbing UV radiation, and at least about 50 percent of light having wavelengths in the range from about 400 nm to about 425 nm. The radiation-absorbing polymeric material can further comprise units of a crosslinking agent. Ophthalmic devices, such as contact lenses, corneal rings, corneal inlays, keratoprostheses, and intraocular lenses, are made from such polymeric material.

A computed tomography detector module is presented. The detector module includes a substrate having a topside and a bottom side. Additionally, the detector module includes a plurality of detector layers disposed on the top side of the substrate in a direction that is substantially orthogonal to the substrate, where each of the plurality of detector layers comprises a direct conversion material configured to absorb radiation, and where each of the plurality of detector layers comprises a first side and a second side. Further, the detector module includes a plurality of pixelated anode contacts is disposed on the first side of each of the plurality of detector layers. Also, the detector module includes a common cathode contact is disposed on the second side of each of the plurality of detector layers.

A wavelength conversion device comprising a plurality of regions. Each region for absorbing radiant energy and emitting light having a characteristic dependent upon which region of the device emits the light.

A coating system and method for assisting in the heating or cooling of an underlying structure includes applying a first seamless, elastic solar reflective membrane over the structure, applying a second seamless, elastic thermochromic membrane over the first membrane, and applying a third seamless protective membrane over the second membrane. The second membrane has a color changing material with a clear state above a first transition temperature to permit transmission of solar radiation to the first membrane to reduce structure cooling requirements, and an opaque state below a second transition temperature to absorb radiant energy and reduce structure heating requirements. In addition, a method of detecting defects in a structure includes applying a layer of thermochromic material to the structure, observing a localized area of non-uniform color associated with the thermochromic layer, and ascertaining whether a defect is associated with the localized area.

A method and a system for generating a high spatial resolution multi-dimensional image representing the chemical composition of a sample. Highly localized IR light is used to cause the heating and thermal expansion of the sample. Modulating this IR light will cause this effect to take place at various depths of the material. The method and system of the present invention are used to generate a chemical profile of the sample using a combination of: (i) measurements of the thermal expansion and temperature change caused by absorbing IR radiation together; and (ii) measurements of the thermal expansion properties and thermal properties (such as thermal diffusivity and conductivity) of sites on the surface of the sample and the material surrounding it.

Disclosed is a novel composition for radiation image detector. The composition comprises an organic matrix comprising a charge transport material (CTM); and scintillating particles for absorbing radiation, being dispersed in the organic matrix, wherein the scintillating particles are in contact with a charge generation material (CGM).

This device comprises a chamber (4) with a pinhole, the walls of the chamber acting as shielding (6) that absorbs radiation. The chamber contains means of forming images of the sources, due to radiation, and the area in which the sources are located, due to visible light from this area. A part (36) of the shielding in which the pinhole (32) is located, is free to move and is fixed to an optical system (34) capable of providing sharp images in visible light over the required field depth by replacing the pinhole for the formation of the image of the area, and vice versa for formation of the image of the sources. Application to localizing gamma radiation sources.

The invention provides a solar molten salt cannula-typed vapor generating method and a device thereof. The generating method comprises the following steps: a refractory selective absorbing coat layer of a jacket outer wall is used for absorbing and irradiating solar energy in real time and transmitting heat to molten salt medium inside a molten salt cannula, and then to water or vapor inside a snakelike inside tube until the vapor is stably generated by the whole device; the irradiation intensity of solar energy is adjusted through the melting heat absorption or the solidifying heat discharging of the molten salt medium inside the molten salt cannula or a salt collecting slot when exceeding a designed intensity range, thus maintaining the stable vapor generation of the whole device. The generating device is an integral structure that is formed by arranging the salt collecting slot at the left and right sides of the molten salt cannula, the molten salt cannula consists of a jacket and a snakelike inner pipe, the jacket is communicated with the salt collecting slot, a vapor outlet is arranged at an upper end of the snakelike inner pipe, and a water flow inlet is arranged at a lower end of the snakelike inner pipe; an air vent is arranged at an upper end of the whole device. The generating device has simple structure and stable state of exported vapor, can bear larger heat flow density and frequent thermal shock, and has greater temperature range.

A radiant ray-sensitive lithographic printing plate precursor which comprises (a) material or material series which absorbs radiant rays, converts the absorbed radiant rays to heat, and enters into a self-exothermic reaction by the heat, and (b) material or material series which causes a chemical change or a physical change by the reaction heat generated as a result of the self-exothermic reaction.

A method and apparatus for improving the safety of a surgical procedure involving delivery of laser energy to a tissue, involves enhancing or increasing the detectability of radiation emitted by the tissue or any portion of a surgical instrument or device by providing a sacrificial material that absorbs radiation emitted during the surgical procedure, increasing the temperature of a surface on which the material is disposed and/or causing damage radiation to be emitted in a way that can be detected by monitoring the temperature of the surface and/or radiation, including infrared and/or visible light, emitted by the surface. In a preferred embodiment of the invention, the radiation absorbing material is a sheath arranged to surround the fiber.

Radiation-absorbing, plastics-based material consisting of a polymer matrix with an absorber material or mixture of absorber materials contained therein, wherein the absorber material or mixture of absorber materials is selected from phosphates, condensed phosphates, phosphonates, phosphites and mixed hydroxide-phosphate-oxoanions of copper (Cu), tin (Sn), calcium (Ca) and/or iron (Fe) and is present finely distributed, dispersed or dissolved in the polymer matrix.

A radiation absorbing phosphor layer including phosphors which absorb radiation and emit light according to the amount of the radiation, a stimulable photoconductive layer which generates electron-positive hole charges in an amount according to the amount of light and stores and records a radiation image information by trapping the charges while releasing the trapped charges upon exposure to stimulating light, a pair of photocurrent detecting electrode layers which are permeable to light and are respectively provided on upper and lower surfaces of the stimulable photoconductive layer to detect the released charges, and a panel-like light source for projecting the stimulating light onto the stimulable photoconductive layer is provided to form a radiation image information detecting panel.

The invention discloses an electromagnetic wave absorbent plastic foam board, wherein two lateral surfaces of a dielectric body [3] have a resistive film [2] and a conductive film [4] bonded by a bonder. A layer of protective film [1] is further bonded on the outsides of the resistive film and the conductive film through pressure by the bonder. The invention with low manufacturing cost is simply structured, provided with advantages of radiation absorption, environment protection, light weight, easy industrialization etc, which can be widely applied to the electromagnetic radiation protective clapboard of computer room, the electromagnetic radiation protection of office and residence, anti-electromagnetic interference, radiation protection and information leakage protection in bank and hospital etc.

Disclosed is a radiation imaging system comprising a layer for a radiation converter; a top electrode on the layer for a radiation converter; and an array of pixel unit electrically coupled to the layer for a radiation converter; wherein, said layer for a radiation converter comprises an organic matrix comprising a charge transport material (CTM); and scintillating particles for absorbing radiation, being dispersed in the organic matrix, wherein the scintillating particles are in contact with a charge generation material (CGM).

A reflective reticle substantially reduces or eliminates pattern distortion that results from the absorption of EUV radiation while maintaining a reticle thickness consistent with industry standards. The reflective reticle includes a layer of ultra-low expansion (ULE) glass and a substrate of Cordierite having a thermal conductivity substantially larger than that of ULE glass. An aluminum layer is disposed onto a first surface of the ULE glass and a second surface of the ULE glass is polished to be substantially flat and defect-free. The Cordierite substrate can be directly bonded to the aluminum layer using anodic bonding to form the reflective reticle. Alternatively, a first surface of an intermediate Zerodur layer can be bonded to the aluminum layer, and a second aluminum layer can be used to anodically bond the Cordierite substrate to a second surface of the Zerodur layer, thereby forming the reflective reticle.

A radiant energy collector (1) for collecting radiant energy of a source, in particular the energy of the sun, is provided. The energy collector has a first support piece (4) and a fluid guide device (2) capable of absorbing radiation and installed on the support piece (4). One or more blades (2) fixed on the support piece (4) directly or indirectly and a connection device (5) fixed on the support piece (4) directly or indirectly are arranged in front of the fluid guide device (2) capable of absorbing radiation on a radiation path. The panel-type radiation energy collector (1) is used for collecting energy radiated by a radiation source and the sun and is provided with the fluid guide device (3) and an insulation layer (11) connected with the fluid guide device (3) connected with the fluid guide device (3) directly or indirectly. From the perspective of radiation source, the insulation layer is disposed below the fluid guide device (3) or below a reflector (6) of the fluid guide device and is designed as a thermal insulation device of a building roof area or a wall area for the radiation energy collector (1).

The present invention relates to a heat exchange film which is used in the absolute bolometer and the preparing method thereof, especially to a radiation-absorbing boron-doping diamond composite film and the preparing method. The radiation-absorbing boron-doping diamond composite film of the invention is prepared by compounding the pure diamond piece layer which is taken as the heat sink material and the black boron-doping diamond film that is taken as the light radiation absorbing material. The preparing method is firstly preparing the heat sink diamond piece with a one-time chemical vapor deposition, and then preparing the black boron-doping diamond film on the diamond piece with a secondary chemical vapor deposition. The radiation-absorbing boron-doping diamond composite film of the invention has the advantages of strong heat and impact resistance, higher absorbing rate to the radiation and the rate is up to 99%, and stability for a long period; and the surface adhesions of the heat sink material and radiation-absorbing material are excellent. Thereby the measuring precision and sensitiveness of the bolometer can be increased and the measuring period can be shortened, and the adaptability of the absolute bolometer in the working condition of satellite is increased.