362 results about "Line radiation" patented technology

A laser produced extreme ultraviolet (EUV) source based on a water droplet target has been implemented an auxiliary electrode system between the source and the first collector mirror. The auxiliary electrode system creates a repeller electric field, possibly a dc voltage imposed on the mirror that slows down and reverses the trajectories of ions from the source before they impact the collection mirror. The source modified according to the invention was evaluated with respect to the demands of EUV lithography and found to have much extended operational lifetimes. The spectral distribution of the generated radiation as well as the conversion efficiency into line radiation at 13 nm was determined. Long time measurements of the reflectivity of silicon/molybdenum multilayer mirrors for up to from 107 to 109 shots show the useful influence of the treatment of ions emitted from the source. Several methods of debris reduction were tested and discussed. Surface analysis of the treated multilayer mirrors of is presented. Long time measurements of the reflectivity of silicon/molybdenum multilayer mirrors for up to 109 shots show the advantage provided by this invention.

An apparatus for selectively producing one or more of a plurality of wavelength distributions of radiation. The apparatus comprises a primary UV radiation source and one or more wavelength transforming materials separated from the primary UV radiation source, that in response to irradiation by the primary UV radiation source, produce transformed radiation having a wavelength distribution that is different from the wavelength distribution of the primary UV radiation source. None, one, or more than one of the various WT materials can be selected by the apparatus, to allow the primary UV radiation, any individual transformed radiation, or any combination of the various radiations to be to be emitted from the apparatus.

Apparatus for non-invasive in vivo detection of a chemical element in the prostate of a subject, comprising: (a) a probe adapted for being inserted into at least one of the rectum or the urethra of the subject; (b) an irradiation system capable of exciting the chemical element to emit radiation to form emitted radiation; (c) a radiation detector located within the probe, wherein the radiation detector is capable of detecting the emitted radiation and wherein the radiation detector is suitable for mapping the emitted radiation; and (d) a signal recording, processing and displaying system for mapping the level of tie chemical element in the prostate of the subject at a plurality of different points in the prostate according to the mapping of the emitted radiation. In one embodiment, the irradiation system is capable of delivering exciting radiation through the probe to the prostate; in another embodiment the emitted radiation comprises fluorescent X-ray radiation.

Method and system for functionalizing a collection of carbon nanotubes (CNTs). A selected precursor gas (e.g., H₂ or F₂ or C_nH_m) is irradiated to provide a cold plasma of selected target particles, such as atomic H or F, in a first chamber. The target particles are directed toward an array of CNTs located in a second chamber while suppressing transport of ultraviolet radiation to the second chamber. A CNT array is functionalized with the target particles, at or below room temperature, to a point of saturation, in an exposure time interval no longer than about 30 sec.

A portable measurement apparatus is presented for inducing and measuring fluorescent X-ray radiation. It comprises an X-ray source (303, 902, 1005, 1105) adapted to controllably irradiate a sample (301, 803) with X-rays, and a detector (305, 406, 1006, 1106) adapted to detect fluorescent radiation emitted by said sample (301, 803). The X-ray source (303, 902, 1005, 1105) is an X-ray tube, an anode of which comprises at least one of silver, rhodium and molybdenium. Consequently said X-ray tube is adapted to controllably emit L-line radiation of at least one of silver, rhodium and molybdenium.

The invention relates to the technical field of dual-polarization radiating units and discloses an ultra-wideband dual-polarization radiating unit and an array antenna comprising the radiating unit. The radiating unit comprises a first dipole, a second dipole and a balance-unbalance connector, wherein the first dipole comprises two first half dipoles, the second dipole comprises two second half dipoles, the first half dipoles comprise first radiating plates, the second half dipoles comprise second radiating plates, the first radiating plates and the second radiating plates are in a shape that two ends are contracted, and two sides in the middle outwards extend, in addition, the middle is in a hollow shape, and the upper ends of the two first radiating plates and the two second radiating plates are jointly in insulation connection with a loading sheet. The radiating unit and the array antenna have the advantages that two ends of a first radiating body and a second radiating body are contracted, two sides in the middle outwards extend, the middle is in a hollow shape, the upper ends of the first radiating plate and the second radiating plate are provided with loading sheets, the impedance bandwidth of the radiating unit can be greatly improved, in addition, through the use of the loading sheets, the convergence of the radiation pattern of the radiating unit can be improved, and the structure is also very simple.

The invention discloses a broadband high-isolation dual polarization antenna and a radiating unit of the broadband high-isolation dual polarization antenna. The radiating unit comprises a reflecting plate, a first feed part, a second feed part, a first radiating body, a second radiating body and four supporting parts. The first radiating body and the second radiating body are composed of diagonal radiating bodies. The four radiating bodies are respectively fixed on the four supporting parts which are fixed on the reflecting plate. Tops of the first feed part and the second feet part are crossed in an orthogonality mode and a height difference exists. The first feed part is a feed structure of the first radiating body and the second feed part is a feed structure of the second radiating body. A cross-shaped seam is formed among the four radiating bodies. A rectangle-shaped branch knot which is longer than the radiating body and faces the rim direction of an outer side of the radiating body is arranged in the middle of each radiating body face. A branch knot is arranged at the rim of the outer side of each radiating body. The dual polarization antenna radiating unit and an antenna array composed of the dual polarization antenna radiating unit have the advantages of being high in isolation , high in radiation characteristic, wide in frequency band and the like.

This invention discloses a cross feed broadband all-around antenna, which applies dual face copper coat to print on a microwave dielectric plate to form an upper antenna unit and a lower antenna unit with metal through holes, in which, the upper antenna unit is composed of a connecting line, radiation unit A and radiation unit B, a feed port is set on the connecting line, the lower antenna unit is composed of a connecting line, radiation unit A and radiation unit B and a feed port is set on the connecting line, radiation unit A of the upper layer antenna unit and that of the lower antenna constitute a symmetric element antenna radiation device A of a capacitive load and radiation unit B of the upper layer antenna unit and that of the lower layer antenna unit make up of a capacitive loaded symmetric element antenna radiation device B, the connecting lines of the two layer antenna units make up of a parallel wide edge couple crewel to crossly feed devices A and B.

A method for enabling easier interpretation and analysis of an observed real world scene by presenting a visible representation of infrared (IR) radiation information, based on infrared (IR) radiation emitted from said real world scene, and additional information onto said observed real world scene, using a thermography arrangement (10) comprising an infrared (IR) imaging system (18), a visible light imaging system (14) and a visible light projecting system (22).

The invention provides a novel reforming furnace for preparing reducing gas, and belongs to the technical field of metallurgy and petrifaction. The reforming furnace comprises a lining radiation chamber, a reforming furnace pipe, a reforming gas port pipe system, a transition section, a convection section and an air and flue gas system. The reforming furnace pipe adopts a large caliber to reduce the furnace pipe number, so that the investment is reduced; a reforming gas inlet pipe is connected with the reforming furnace pipe by adopting a flexible pipe, so that the axial and radial heat displacements of the furnace pipe are conveniently absorbed, and the heat stress of a furnace pipe system is reduced; an elastic bracket is arranged at the bottom of the reforming furnace pipe for bearing part weight of the furnace pipe and facilitating recovery of the furnace pipe after heat expansion under the working condition of parking; a radiation chamber furnace top inclined tee joint replaces atraditional heat pipe wall, and a short tail box is canceled, so that materials are saved, and the investment is reduced; and high-temperature smoke is guided to the transition section from multiple channels at the upper parts of the two sides of the radiation chamber, and is fed in the convection section for preheating air and reforming raw material gas and fuel gas to generate high-quality vapor, so that the smoke discharge heat loss is reduced, and the heat efficiency of the reforming furnace is improved.

An UHF RFID antenna for attached on any high conductive object is disclosed. The antenna radiation body has a first copper foil mounted thereon a backside surface of a FR4 glass fiber served as a ground plane, a second copper foil mounted thereon a front surface of the FR4 glass fiber as a main radiation plane. The main radiation plane contains two etched slits spaced each other. Each etched slit has a shape like a blade with a long handle. The two etched slits are mirror symmetry and a trench formed to connect the two etched slits for a RFID tag seated thereon so that There are short circuit microstrip and a feed-in microstrip are generated.

A method is disclosed for the temperature stabilization of a direct-converting X-ray detector, including a detector surface having a semiconductor and being divided into a plurality of partial detector surfaces. During the irradiation of the detector surface, heat is generated in the semiconductor by electric power. Electric power generated in the semiconductor is kept constant for each partial detector surface at least during a heterogeneous and/or temporally variable irradiation of the detector surface by feeding-in power-adjusted additional radiation for each partial detector surface. A direct-converting X-ray detector is disclosed for the detection of X-rays. At least one control loop with at least one reference variable is embodied for the energy regulation of the additional radiation, which keeps the temperature in the semiconductor constant for each partial detector surface by keeping the electric power in the semiconductor constant by changing the energy of the additional radiation. A CT system is disclosed.

The embodiment of the invention provides an antenna, a carrier radio frequency circuit, a terminal and a carrier aggregation method. The antenna comprises an antenna body and a radiation body, wherein the antenna body comprises a first wire arranged on a printed circuit board, the radiation body comprises a metal shell of a receiver, and the metal shell of the receiver is grounded; and the first wire is connected with the metal shell of the receiver through an electric connecting wire, and the metal shell of the receiver is connected to an antenna feed point through a second wire arranged on the printed circuit board. According to the invention, the metal shell of the receiver in the terminal is used as the antenna radiation body of the antenna, and an additional antenna radiation body is not required to be arranged, so that setting of the antenna is well realized by effectively utilizing the metal shell of the receiver of the terminal. In addition, the space of an area in which the receiver in the terminal is sufficiently utilized, and the utilization rate of the terminal space is improved.

The invention relates to a multi-outgoing-line radiation network fault distance measuring method for a k-NN algorithm based on waveform similarity, and belongs to the technical field of power system relay protection. Zero-mode current data of a measuring side at different fault positions and under different fault conditions are acquired through simulation, wavelet decomposition is carried out on the data, and wavelet coefficient organization historical sample data under a sixth scale are obtained. When a single-phase grounding fault occurs, the k-NN algorithm is utilized, similarity matching is carried out on a wavelet coefficient waveform of measured zero-mode current waveforms after wavelet decomposition and wavelet coefficient waveforms in a simulated historical sample under the different fault conditions through correlation analysis, fault distances corresponding to the first three waveform data with the highest similarity are obtained, and the fault distance is obtained through the different application regression methods of weights. A large amount of simulation shows that the method is reliable and high in precision for the single-phase grounding fault.

The invention discloses an ultra-wideband antenna with a band-notched characteristic. At present, radio communication equipment and electronic information equipment are developed towards multi-functionalization, miniaturization, ultra wide band and surrounding environment friendliness and coordination. The ultra-wideband antenna with the band-notched characteristic comprises a dielectric substrate (1) and a radiation unit (2), wherein a coplanar waveguide grounding surface (3), a radiation unit, a rectangular groove (4) and a coplanar waveguide feed signal stripline (5) are printed on the dielectric substrate; the radiation unit is connected with the coplanar waveguide feed signal stripline; the rectangular groove is reserved on the upper part of the coplanar waveguide grounding surface; the coplanar waveguide grounding surface surrounds around the radiation unit and the coplanar waveguide feed signal stripline (5); and a reserved U-shaped groove (6) is reserved on the radiation unit. The ultra-wideband antenna with the band-notched characteristic is used for receiving and transmitting radio waves; militarily, the ultra-wideband antenna with the band-notched characteristic can be used in terminals for electronic reconnaissance and electronic countermeasure as well as tracking and electromagnetic protection; and in the civil field, the ultra-wideband antenna with the band-notched characteristic can be used in terminal receiving equipment for ultra-wideband wireless communication.

The invention discloses an all-optical-fiber on-line radiation dose measuring system. The system comprises a light source for providing a light signal, a 2*2 coupler for light splitting, a reference light path, a measuring light path, a double-channel light power meter for measuring the output light power of the two light paths, and a computer, wherein the measuring light path consists of anti-irradiation conduction optical fibers and radiation sensitive optical fibers and is used for measuring the radiation transmission loss of the sensitive optical fibers in a radiation environment. An all-optical-fiber remote radiation dose on-line monitoring system suitable for measuring radiation dose in the radiation environment for a long time is provided and is simple and stable.

A multifunctional microwave plasma and ultraviolet light deodorization treatment unit, which includes: a rapid decomposition device (1), a high frequency plasma electric field (2), a microwave plasma electric field (3), a high intensity ultraviolet radiation field (4), a low temperature plasma electric field (5), a high intensity ozone gas reaction chamber (6), a reaction termination chamber (7) and a clean gas organization chamber (8) sequentially installed inside a horizontal rectangular box which has an elongated body defining a horizontal axis and has a channel cavity therein. The deodorization treatment unit further includes an exhaust gas odor collecting pipe and an odor gas storage cabinet (9) connected to an air pump (10), the air pump (10) is connected to an odor gas inlet of the rapid decomposition device (1), the clean gas organization chamber (8) has one end connected to a clean gas exhaust pipe.

An analytical instrument is disclosed having both XRF and spark emission spectroscopy capabilities. In a particularly advantageous embodiment, a field portable XRF device is removably coupled to the instrument by means of a docking station. A first surface of the sample is irradiated with an X-ray beam, and the X-ray radiation fluorescently emitted from the sample is detected and analyzed to acquire elemental composition data. The instrument is further provided with a spark source located proximal a second surface of the sample and a detector for sensing the radiation emitted from the spark-excited material. The combined instrument enables the acquisition of complementary elemental composition data by XRF and spark emission spectroscopy without having to transport a sample between separate instruments.

The present invention relates to an ultraviolet radiation lamp. The lamp comprises: (i) a substantially sealed cavity comprising a mercury-containing material; and (ii) a heating unit disposed exteriorly with respect to the cavity. The heating unit is disposed in contact with a first portion of the cavity comprising the mercury-containing material. The heating unit has adjustable heat output.

The invention relates to a cross feed wideband omnidirectional aerial, which uses dual-surface copper print to form upper aerial unit and lower aerial unit on the microwave medium plate, wherein the upper and lower aerial units have metallic through holes; the upper aerial unit is formed by connecting wire, radiation unit A, and radiation unit B; the connecting wire has feed port; the lower aerial unit is formed by connecting wire, radiation unit A, and radiation unit B; the connecting wire has feed port; the radiation units A upper and lower aerial units form the symmetry vibrator aerial radiation device A with load capacitance; the radiation units B of upper and lower aerial units form the symmetry vibrator aerial radiation device B with load capacitance; the connecting wires of upper and lower aerial units form the parallel wide couple dual wires with cross feed electricity to the symmetry vibrator aerial devices (A, B).