228 results about "Radiation rays" patented technology

The invention relates to a method for enabling repair of a defect in a substrate, particularly the invention provides a method and apparatus for enabling repair of a pattern shape in a semiconductor device, which has not been able to be practiced because of lack of a suitable method, and further provides a method for manufacturing the semiconductor device using those. A method for repairing the pattern shape of a substrate having an imperfect pattern is used, which includes (a) a step for inspecting the substrate and thus detecting the imperfect pattern, and (b) a step for repairing the pattern shape by performing etching or deposition to the detected imperfect-pattern using radiation rays. Moreover, apparatus for repairing a pattern shape of a via-hole in a wafer having an imperfect via-hole is used, which has a defect inspection section for detecting the imperfect via-hole, and an etching section for etching the imperfect via-hole using a fast atom beam.

A semiconductor device has a wiring slot and two wiring layers connected by a via hole. The semiconductor device is formed using a photodegradable polymer film that degrades under UV radiation. An incidence angle theta of radiation rays in the irradiating step with respect to a perpendicular direction of a surface of the substrate, fulfills the relationship tan theta>=H+H' / 2(D+D') wherein D is a depth of the wiring slot, D' is a thickness of the photoresist film, H is a diameter of the via hole in a opening of the wiring slot, and H' is the width of the wiring slot.

A radiation imaging apparatus is capable of taking a moving picture by acquisition by a reading circuit of a plurality of radiation image signals on the basis of a plurality of successive times of irradiation of a radiation detector with radiation rays. The radiation detector has a two-dimensional array of pixels. In a period between a start of an n-th time of irradiation with radiation rays and a start of an (n+1)-th time of irradiation with radiation rays, where n is a natural number, a controller switches an operation status of an analog-to-digital converter that converts electric signals read by the reading circuit into digital signals so that power consumption of the analog-to-digital converter is reduced.

The invention discloses a low-carbon energy-saving coating, and concretely relates to a coating for the reflection, heat insulation and emission of solar radiation and other heat radiation rays. The coating is composed of a hollow silica material with the surface coated with a nano-material, a heat ray reflection characteristic material, self made infrared emission powder, a functional filler and an aqueous resin liquid. The coating has a heat insulation coefficient of 0.01-0.5W / m.k, a reflectivity to heat rays of above 90%, and a heat emissivity of above 80%.

A radiation imaging apparatus is capable of taking a moving picture by acquisition by a reading circuit of a plurality of radiation image signals on the basis of a plurality of successive times of irradiation of a radiation detector with radiation rays. The radiation detector has a two-dimensional array of pixels. In a period between a start of an n-th time of irradiation with radiation rays and a start of an (n+1)-th time of irradiation with radiation rays, where n is a natural number, a controller switches an operation status of an analog-to-digital converter that converts electric signals read by the reading circuit into digital signals so that power consumption of the analog-to-digital converter is reduced.

A method and system to compute the dose to a patient (2) given a captured integrated exit-transit image (5) of the radiation rays (4) traveling from the source of x-rays (1) through the patient (2) to the imaging device (3) to product the exit-transit image (5). Each radiation field image (5) is transformed (6,8,10,12) to multiple images (7,9,11,13) for each phantom thickness (26) that was measured with the imaging device (3) for a range of field sizes (21). Given the water equivalent path (22) through the patient for a ray (4) reaching a pixel (15, 16), the final pixel value (19) is interpolated from the images (9, 11) that bracket the water equivalent path through the patient (22).

A radiographic imaging apparatus (10) including a first radiation source (14) emitting a radiation beam to an examination region (16). The detector (18) converts the detected radiation passing through the examination area (16) into an electrical detector signal representative of the detected radiation. The detector (18) has at least one characteristic that changes in time, such as offset B(t) or gain A(t). The gate pulsing device (64) switches the first radiation source (14) on and off at a rate of 1000 to 5000 pulses per second, so that the offset B(t) is remeasured at least between 1000 and 5000 times per second, and Corrections are made many times during the detector signal generation process. The gain A(t) is measured using a second pulsing device (88) by pulsing a second pulsed source (86, 100, 138) of constant intensity (XRef). The gain A(t) is remeasured and corrected multiple times per second during detector signal generation.

The invention provides a radiation detection system which aims to improve accuracy of neutron beam irradiation dosage of a neutron capture treatment system, and can timely discover a fault portion. The neutron capture treatment system comprises a charged particle beam, a charged particle beam inlet for pass of the charged particle beam, a neutron generation portion used for realizing nuclear reaction with the charged particle beam to generate a neutron beam, a beam shaping body used for adjusting flux and quality of the neutron beam generated by the neutron generation portion and a beam outlet adjacent to the beam shaping body, the radiation detection system comprises a radiation detection device, and the radiation detection device is used for detecting prompt Gamma rays after neutron beam irradiation in real time The invention further provides a radiation detection method which aims to improve accuracy of neutron beam irradiation dosage of the neutron capture treatment system, and can timely discover the fault portion.

A phosphor sheet 8 for a radiation detector used by being attached to a photoelectric conversion film 20 of a radiation detector 4 includes a sheet-shaped support 11, and a phosphor layer 12 provided thereon. The phosphor layer 12 contains a europium-activated rare earth oxysulfide phosphor having a europium concentration in a range of 0.01 to 3.5 mol %. The radiation detector 4 includes the phosphor sheet 8 being irradiated with radiation rays transmitted through a specimen and converting the radiation rays into light, a photoelectric conversion film 20 for converting the light from the phosphor sheet 8 into electric charges, and a charge information reading section 30 for reading out the charges generated on the photoelectric conversion film 20 for each of a plurality of pixels 31.

The invention relates to a compact, comfortably wearable system (1) comprising a plaster (2) and a radiation device (3) in a stacked position on top of the plaster. The radiation device (3) comprises a light-guide (9) which is optically connected and edge-lit by a radiation source (10). The radiation source (10) is electrically connected to an energy source (11), which is stacked on top of the light-guide 9. A reflector (12) is provided to reflect radiation in the direction of a target area (6). Due to total internal reflection (TIR) inside the light-guide (9) and multiple reflections a spreading is obtained of each of the radiation rays (15) generated by the radiation source (10), which results in the target area to be evenly irradiated.

The present invention provides an ink composition having excellent ink ejection stability and stretching property, curable with a high sensitivity by irradiation of radiation rays, and capable of forming an image excellent in rubfastness and blocking resistance, an inkjet recording method using the ink composition, and a printed article. The ink composition includes (a) a polymer having a siloxane structure and a polymerizable group on a side chain thereof, (b) a polymerizable compound, and (c) a photopolymerization initiator, and the inkjet recording method includes a step of ejecting the ink composition onto a recording medium to be recorded with an inkjet recording apparatus and a step of curing the ink composition by irradiating active radiation rays on the ejected ink composition.

A method and system to compute the dose to a patient (2) given a captured integrated exit-transit image (5) of the radiation rays (4) traveling from the source of x-rays (1) through the patient (2) to the imaging device (3) to product the exit-transit image (5). Each radiation field image (5) is transformed (6,8,10,12) to multiple images (7,9,11,13) for each phantom thickness (26) that was measured with the imaging device (3) for a range of field sizes (21). Given the water equivalent path (22) through the patient for a ray (4) reaching a pixel (15, 16), the final pixel value (19) is interpolated from the images (9, 11) that bracket the water equivalent path through the patient (22).

A CT collimator comprising a rotating slot part on a rotation shaft and having a plurality of blades, each blade has a slot of a different width and a radiation beam entering the collimator can only pass via a slot in one of the blades, each edge of each blade slot along a longitudinal direction has a convex curved surface structure, and in a vertical plane along a longitudinal direction, two side edges of the slot are curved, and each blade is arranged to be eccentric to the center of the rotation shaft. A CT system using the CT collimator, the detection area of the radiation rays projected to the radiation detector via the CT collimator can be maintained unchanged by adjusting the rotation angle of the blade, under the circumstance where the focus of the radiation source shifts during a CT scan.

A radiation emission control method, apparatus and the program capable of detecting respiratory phases of a test subject with constant accuracy and emitting radiation rays to the test subject in synchronization with an intended respiratory phase, while minimizing the radiation exposure to the subject. A test subject having a contour that varies with the respiration is optically imaged continuously by the optical image obtaining section to sequentially obtain optical images of the subject, and respiratory phases of the subject are detected simultaneously with the optical imaging by the respiratory phase detecting section based on the contour of the subject on the optical images. During the optical imaging, a radiation source is controlled by the control section such that radiation rays are emitted to the test subject when the detected respiratory phase corresponds to an intended respiratory phase of the subject.

A CT collimator comprising a rotating slot part on a rotation shaft and having a plurality of blades, each blade has a slot of a different width and a radiation beam entering the collimator can only pass via a slot in one of the blades, each edge of each blade slot along a longitudinal direction has a convex curved surface structure, and in a vertical plane along a longitudinal direction, two side edges of the slot are curved, and each blade is arranged to be eccentric to the center of the rotation shaft. A CT system using the CT collimator, the detection area of the radiation rays projected to the radiation detector via the CT collimator can be maintained unchanged by adjusting the rotation angle of the blade, under the circumstance where the focus of the radiation source shifts during a CT scan.

Provided is a silicon-containing positive photoresist which exhibits high resolution capacity when exposed to radiation having a wavelength of 300 nm or less, especially KrF (248 nm) or ArF (193 nm), which has excellent dry etching resistance and which can be developed with an aqueous alkali solution. Provided is a radiation sensitive polymer composition comprising (A) a polysiloxane compound which comprises at least one structural unit represented by formula (1) having an acid-dissociable group, and at least one structural unit represented by formula (2) comprising at least one fluorine atom; which is alkali insoluble or alkali sparingly soluble but becomes alkali soluble when the acid-dissociable group dissociates; and which has an average fluorine atom content of more than 2 wt % but not more than 11 wt %; (B) an acid generator; and (C) a basic compound.

The invention discloses bioprotein sponge and a preparation method thereof. According to the characteristics that internal cells of a human body and an animal body adapt to cell growth environments, the bioprotein is freezed into a dry sponge shape through freeze drying technology by utilizing intercellular substances as controlled-release carrieres of growth factors and acts on the trauma of the human body or the animal body in controlled-release medicament feeding mode. The preparation method of the bioprotein sponge changes the traditional preparation process, adopts S / D virus inactivation, and adds protective agent to reduce probability of virus cross infection of people and livestock simultaneously. The CM cation chromatographic purification process improves purity of bioprotein, promotes stanching and tissue union effect of the bioprotein sponge and reduces clinical side effect. An ultrafiltration process is adopted to replace a dialysis process, so that preparation period is shortened, activity of the bioprotein is protected, and production cost is reduced. A method of heating inactivation virus replaces the method of cobalt60 radiation sterilization, so that the fact that radiation rays bring damage to products is avoided, the activity of the bioprotein is protected, and safe and reliable use of products in clinical application is achieved.

Provided are a radiation detector and a radiographic apparatus including the same. The radiation detector may have high quantum efficiency due to use of a plurality of nano-waveguides that extend from an incident end thereof to an exit end thereof and are configured to generate scintillation as radiation rays penetrate therethrough or a photoconductor.

The present invention provides a liquid crystal oriented agent of the polyamide acid or its imide polymer made by diamine such as 3, 5-diamino phenmethyl cinnamylate ester etc. The present invention provides a liquid crystal oriented agent using in the form of the liquid crystal oriented film having liquid crystal oriented ability by polarized or unpolarized radiation rays without processing friction treatment.

The invention belongs to the technical field of wireless communication, and discloses an ultra-low profile dual-band wide beam microstrip antenna based on multimode fusion. A rectangular radiation microstrip and a rectangular parasitic microstrip are attached to a dielectric substrate, and are located at an uppermost layer of the antenna; the dielectric substrate is located on an intermediate layer of the ultra-low profile dual-band wide beam microstrip antenna based on the multimode fusion; a metal bottom plate is located on the lower layer of the dielectric substrate; a gap between the rectangular radiation microstrip and the rectangular parasitic microstrip is used for radiating rays to polarize electromagnetic waves; metal through holes are formed in the dielectric substrate along theedge of the rectangular radiation microstrip and the rectangular parasitic microstrip; the metal bottom plate is located at the lowermost portion of the entire antenna, and a radio frequency connectoris installed. The antenna meets the requirement of achieving a wide beam of the antenna under the low profile condition of a traditional microstrip antenna; while ensuring the high performance of theantenna, the influence of the antenna on the shape of a carrier can be minimized; an angular scan phase control array antenna with high performance is conveniently obtained.

An analysis method for use in a radiation imaging apparatus employing intensity information of interference fringes of radiation rays that have passed through a detected object includes the steps of generating first phase information of the detected object wrapped into a range of 2π from the intensity information of the interference fringes; generating information on an absorption intensity gradient of the detected object from the intensity information of the interference fringes; generating a weighting function on the basis of an absolute value of a gradient in the information on the absorption intensity gradient; and generating second phase information by unwrapping the first phase information by using the weighting function.

The invention provides a photoelectric sensing detector based on seamless splicing and a manufacturing method thereof. The photoelectric sensing detector is composed by seamlessly splicing at least two photoelectric sensing detector modules which form a certain angle, wherein each detector module can work independently. The detector module is structured as follows: a soleplate capable of baffling radiation rays is used as a base; light-sensing elements which form a light-sensing element array used for converting sensed photon signals into electric signals are fixed at the surface of one side of the soleplate; a treatment circuit used for scanning the light-sensing element array and capable of carrying out data treatment to the electric signals sent by each light-sensing element and finally transmitting the treated signals to a device which can form corresponding images is arranged at the surface of the other side of the soleplate; and meanwhile, circuits connected with each other are used for electrically connecting the light-sensing element array and the treatment circuit. A radiation detector manufactured through the method can effectively inhibit ray scattering and crosstalk among modules and can be well suitable for the radiation detection field of non-planar structures.

The invention discloses a device and method for guiding fishes to sail upstream. The device comprises a water power device and a plurality of inverted T-shaped water supply units. The inverted T-shaped water supply units are composed of main water supply pipes and branch pipes. A water pump is connected with the inverted T-shaped water supply units, each branch pipe is provided with a plurality of spouts, and each spout is provided with a nozzle. Each inverted T-shaped water supply units contains more than two nozzles, radiation rays led out through the nozzles in each unit are approximately intersected at one point, connecting lines of the point with any two nozzles form acute triangles with connection lines between the two nozzles, submerged jet streams of the nozzles of any unit are superimposed to form a superimposed jet stream, and the superimposed jet streams of the unit nozzles are superimposed end to end for form a jet stream flow channel. The problems that the fishes in favor of sailing upstream in flowing water have no attracting stream flow to guide to sail upstream in static or low velocity areas in a high dam reservoir are solved; multiple sprout jet streams of a pipe network are adopted to guide the fishes to sail upstream, so that the fishes having spawning behavior by sailing upstream are prevented from failing to pass the wide ranges of static or low velocity areas due to changes in hydrological conditions in a water conservancy project.

A radiation image capturing apparatus includes a radiation source for applying radiation to a subject, a radiation image information detector for detecting radiation from the radiation source that has passed through the subject in order to capture radiation image information of the subject, a grid disposed between the subject and the radiation image information detector for removing scattered radiation rays produced when the radiation passes through the subject, a grid moving mechanism for moving the grid in at least one direction, and a grid movement controller for controlling the grid moving mechanism. The grid moving mechanism moves the grid such that vt=constant, where v represents a speed at which the grid is moved and t represents a period elapsed from a time when the grid starts to move.

The invention respectively discloses bullet-resistant glass and fireproof glass for insulating heat and resisting radiation, as well as and compound glass thereof, which respectively comprise laminated safety glass, bullet-resistent glue and / or fire-retardant glue and an outer-layer glass substrate, wherein the outer-layer glass substrate is bonded on the surface of the laminated safety glass by the bullet-resisting glue and / or the fire-retardant glue; and the laminated safety glass comprises two inner-layer glass substrates and an organic laminated adhesive material which is arranged between the two inner-layer glass substrates. The bullet-resistant glass and the fireproof glass not only can resist bullets and fire, but also can absorb ultraviolet rays, near infrared rays and strong dazzling light to insulate heat, prevent freeze, resist bright light, strong heat, the penetration of harmful radiant rays for human bodies, and the like, can prevent rain pulverization, snow adhesion and self-pulverization of glass under strong shock waves, realize self protection, and the like.

The invention discloses a fire alarm device based on an infrared thermal imaging system. The device comprises the infrared thermal imaging system, an alarm ring and a micro PC, wherein the infrared thermal imaging system comprises an infrared lens, a raster and an infrared detector, infrared radiation rays of a to-be-detected object are received through the infrared lens, the infrared radiation rays of the to-be-detected object after raster interference and diffraction arrive the infrared detector, an energy distribution diagram is lastly reflected to light-sensitive elements of the infrared detector to acquire infrared thermal images; the micro PC is used for realizing vision identification of the images from the infrared thermal imaging system, a special area of the images is extracted, if the special area is greater than a critical area, a danger signal is returned, the alarm ring is triggered to alarm through the danger signal, through external connection with a wireless serial port, the information can be transmitted to fire extinguishing equipment to carry out real-time fire extinguishing. The device is advantaged in that not only can sensitive fire detection and accurate alarm be realized, but also the device is further stable and reliable and can adapt to various types of complex environments.

The energy subtraction apparatus of the present invention comprises an image input device which inputs two or more different kinds of radiographic images having been taken by irradiating a subject with radiation rays with different radiation qualities, an information of body part acquisition device which designates a information of body part, a motion compensation processing device which performs a registration process by compensating for shift between corresponding points between the two or more different kinds of radiographic images due to movement of the subject, a subtraction device which performs an energy subtraction process on the two or more different kinds of radiographic images, and an operation mode switching device which switches an operation mode of the registration process at the motion compensation processing device depending on the information of body part.

According to the present invention, a preferred embodiment of a motion detector device comprises a lamp assembly, a junction box assembly with a cylindrically shaped holding arm, a rotation assembly incorporating a sensor seat, a pyro-sensor and circuitry, and a lens assembly. The lens assembly can assume a semi-spherical or cylindrical shape. The lens assembly is integrally formed by a plurality of multifaceted lenses with pre-determined focuses constituting pre-determined focusing views. Each focusing view is defined for a range / distance and angle of detection. The lens assembly can be rotated to select a specific focusing view. The sensor seat is disposed at the focus of the selected focusing view to receive infrared radiation rays. The entire or half or portion of the lens assembly carries lenses making up the pre-determined focusing views. The present invention also teaches methods of selecting a specific focusing view for a motion detector device.

The invention aims to provide a device for measuring section void fraction of two-phase fluids. The device comprises a laser, a gas-liquid two-phase fluid passage, a high-speed camera and a computer, wherein the gas-liquid two-phase fluid passage is a transparent container and is filled with a liquid and bubbles, and a fluorescent agent is dissolved in the liquid; the laser is located on one side of the gas-liquid two-phase fluid passage and used for irradiating a to-be-measured section of the gas-liquid two-phase fluid passage; the high-speed camera equipped with a filter lens is connected with the computer; and the high-speed camera is used for shooting the to-be-measured section irradiated by the laser and transmitting a shot picture the computer. The device not only can perform measurement under the condition that a fluid flowing field is not influenced, but also can measure the section void fraction of one point in the passage visually and accurately; equipment such as a contact type probe and the like cannot be involved, so that a to-be-measure fluid is prevented from being disturbed with a traditional method; and radiation rays are not adopted, so that the device is safer and more reliable.