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JP2010118333A |
To provide a gas-filling type proportional counter tube which can sufficiently restrain aged deterioration of energy resolution and is inexpensive.In the gas-filling type proportional counter tube wherein an insulated core wire 3 is hous...
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JP4435426B2 |
The invention relates to an ionization chamber for ion beams and to a method of monitoring the intensity of an ion therapy beam by way of such an ionization chamber. For that purpose, the ionization chamber includes a chamber housing, a ...
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JPWO2008059966A1 |
The present invention relates to a proportional counter containing nitrogen and hydrogen in the gas (13) sealed in the enclosure (12). By adding nitrogen, there is no risk of polymerization of the added gas due to radiation, and better r...
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JP4427175B2 |
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JP4399963B2 |
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JP2009301904A |
To provide a detector having improved detecting sensitivity and accuracy when utilizing the electron multiplying operation by gas.The radiation detector 1 utilizing the electron multiplying operation by gas comprises: an inorganic-materi...
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JP4365721B2 |
There is disclosed an electron microscope that achieves low-magnification imaging while the objective lens is kept at high excitation in the same way as during high-magnification imaging. An objective minilens (12) located immediately be...
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JP4338810B2 |
The chamber has several spaced measurement field electrodes (131) on a carrier (120) with leads (134) and at least one electrode (180) spaced from the carrier, to emit charge carriers under the effect of X-rays. The sides of the leads fa...
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JP2009224069A |
To solve the following problem: an impressed voltage is high in a conventional proportional counter tube, and in order to enable two dimensional detection of a radiation entrance position, it is necessary to make a radiation detector lar...
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JP2009222410A |
To provide a radiation detector for improving collection rate by space charge and assuring stable detection sensitivity without changing the detection sensitivity even when the detector is vibrated.The radiation detector includes a vesse...
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JP2009206057A |
To provide a gas electron amplifier accurately identifying a two-dimensional position of radiation, and also to provide a radiation detector using the same gas electron amplifier.An electron amplification plate 10 formed of: a plate-shap...
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JP4280833B2 |
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JP4264984B2 |
A radiation detector in which primary electrons are released into a gas by ionizing radiations and drifted through an electric field (E) to a collecting electrode (CE) for detection. It further includes a gas electron multiplier (10, 11,...
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JP2009079969A |
To provide a radiation spectrum measuring system capable of reducing the influence of a tail distribution in a pulse height distribution formed by an excitation X-ray, and lowering the measurement lower limit of an element to be measured...
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JP4247128B2 |
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JP4227543B2 |
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JP4220015B2 |
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JP4197727B2 |
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JP4196309B2 |
An improved neutral particle detector (52) for an ion implantation system (10) is provided for detecting the neutral particle content of an ion beam (28) which is comprised primarily of neutral particles and positively charged ions. The ...
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JP4197666B2 |
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JP4184075B2 |
A detector (9) for detection of ionizing radiation comprises a cathode (17, 41); an anode (19); an ionizable gas arranged between these electrodes; a radiation entrance (33) arranged such that ionizing radiation (1) can enter and ionize ...
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JP2008210683A |
To provide a line image sensor for X-ray imaging that offers improved spacial resolution.The line image sensor includes a container 5 containing an X-ray detection gas sealed therein, a printed board 3 placed in the container 5, a plural...
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JP2008534950A |
Devices and methods for detecting radiation are described. A detector for detecting radiation comprises a housing containing an ionisable gas, an array of anode wires extending substantially in a first plane, and arranged to be held at a...
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JP4124776B2 |
A method for measuring high-energy radiation flux includes applying a positive voltage to electrodes in an ion chamber filled with a gas capable of forming charged ions by a high-energy radiation, measuring a positive ion current signal ...
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JP2008164344A |
To provide a proportional counter tube 11 with the lower measurement limit lowered of an element wanted to measure by improving the occurrence of tail distribution in pulse-height distribution made by radiation for excitation.A gas 13 to...
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JP4110957B2 |
The ionization radiation detector has conductor tubes (18) in parallel with a gas mixture under pressure. There is a conductor wire (28) at the center of each tube at a set voltage. The ionizing radiation is directed orthogonally to the ...
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JP4058359B2 |
To provide an imaging system or the like capable of realizing a highly sensitive and stable measurement with noise level well lowered and an S/N ratio improved. An image-pickup X-ray detection device 200 is made up of a power source syst...
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JP2008027794A |
To provide a proportional counter tube 11 capable of reducing generation of a tail distribution part of wave-height distribution made by an X-ray for excitation.A covering body 18 is installed by covering the inner face of the outer case...
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JP2008027795A |
To provide a proportional counter tube 11 capable of reducing generation of a tail distribution part of wave-height distribution made by an X-ray for excitation.A conductor 18 to make an X-ray transmit is arranged by making a spacing bet...
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JPWO2005066657A1 |
By improving the electrode configuration of the detector, the number of signals read can be reduced. Even if the sensitive area of the detector becomes large, it enables high-resolution imaging without distortion. The electrode for detec...
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JP3984110B2 |
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JP3955836B2 |
To provide a gas proportional counter tube and a photographing system in which impact resistances and handling natures of an electron and an optical multiplication part can be improved and a fine pores can be made uniform, and the unifor...
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JP2007520865A |
The present invention provides a radiation detector in which primary electrons are released into a gas by ionizing radiation from a radiation source ( 10 ) and are caused to drift to read-out electrodes ( 1 ) by means of an electric fiel...
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JP3919265B2 |
To provide the ultraviolet-ray detecting pipe having the stable ultraviolet detecting sensitivity. In an ultraviolet-ray detecting pipe 1, an anode 6 and a cathode 8 made of metal are arranged in close proximity in a sealed container 2, ...
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JP3908813B2 |
To provide an X-ray detector easy and safe to handle. This detector has a light detecting tube 10 formed of a metallic positive electrode 10b and negative electrode 10c arranged adjacently to each other within a glass bulb 10a having dis...
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JP2007046999A |
To provide a radiation detector which can detect the dose of radiation over a wide range.The radiation detector comprises a cathode 10 which is formed in a cylindrical shape and encapsulates an ionized gas, an anode 20 which is contained...
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JP3854669B2 |
To prevent fluorine and silica particles from entering a sealed container and improve reliability, by arranging an anode electrode and a cathode electrode at a position opposite to a window member of glass material shutting an opening pa...
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JP2006302844A |
To provide a gas electron amplifier stably operating even if continuing a long-term operation, its manufacturing method and a radiation detector using a gas electron amplifier.A plate-like multi-layer body 10 is arranged between a drift ...
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JP3830978B2 |
A detection device for analyzing charged particles. The charged particle analyzer comprises a source of charged particles and a charged particle detector spaced from the source and immersed within the source in an ionizable gas. The dete...
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JP3822239B2 |
PCT No. PCT/FR95/01548 Sec. 371 Date Aug. 19, 1996 Sec. 102(e) Date Aug. 19, 1996 PCT Filed Nov. 23, 1995 PCT Pub. No. WO96/17373 PCT Pub. Date Jun. 6, 1996An ionizing radiation detector having an enclosure filled with a rare gas within ...
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JP3785501B2 |
To provide a gas amplification type X-ray imaging detector allowing stable gas amplification, having a high position resolution and hardly damaged by electric discharge, and a gas amplification type X-ray imaging detecting method. This g...
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JP2006147554A |
To provide a gas filling type neutron radiation detector for detecting radiation capable of improving the horizontal resolution of a detector array.The radiation detector (20) comprises an external casing (22) filled with gas under press...
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JP3728700B2 |
An imaging system module comprising: a pair of high density avalanche chamber converters (11, 12) each including alternate layers (15, 16) of conducting and non-conducting material and an array of holes (17) extending through the alterna...
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JP3719748B2 |
To surely prevent corrosion of sensor part by the effect of dissolved oxygen or chloride, etc., in reactor water by sealed-welding the end part of a sealed vessel constituting the sensor part and the outermost part of non- organic insula...
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JP3693535B2 |
To provide a radiation detecting method by an ionization chamber type radiation detector with favorable detection energy resolution and detection time resolution of radiation by increasing a SN ratio and a rise gradient of a detection si...
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JP2005521215A |
This invention relates to rotation speed dip object cylinder method, wherein, the lens comprises magnetic lens near generate magnetic field near sample to focus particle beam onto sample; the sample provides potential electrode for speed...
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JP2005521035A |
A radiation detector arrangement for imaging of an object comprises multiple line detector units, each being arranged for one-dimensional imaging of the respective ray bundle. The detector units are arranged parallel in a two-dimensional...
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JP2005140767A |
To provide a nondestructive three-dimensional surface analysis method for three-dimensionally and precisely analyzing the surface of a specimen and the interior of the specimen from the surface to a prescribed depth.This three-dimensiona...
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JP2005084054A |
To provide a radiation detector window for gas-charged radiation detector to remove a proper blemish such as micro cracks likely to grow up to pinholes because of mechanical stress.The entrance window for gas-charged radiation detector c...
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JP2005055306A |
To provide a low-cost microstrip gas counter type radiation sensor element for detecting multi-dimensional positions that can be manufactured by a versatile electronic circuit board machining technique and can perform imaging measurement...
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