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JPH058791B2 |
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JPH058394B2 |
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JPH056875B2 |
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JPH052875Y2 |
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JPH0513042A |
PURPOSE: To ensure high sensitivity detection of only epithermal neutrons. CONSTITUTION: A rod-like collector electrode 22 is arranged on the inside of a box-like outside electrode 20, and helium -33He is sealed therein. The output of th...
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JPH055314B2 |
PCT No. PCT/JP86/00336 Sec. 371 Date Feb. 19, 1987 Sec. 102(e) Date Feb. 19, 1987 PCT Filed Jun. 27, 1986 PCT Pub. No. WO87/00295 PCT Pub. Date Jan. 15, 1987.An electrode plate arranging jig according to the invention which allows to arr...
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JPH053015A |
PURPOSE: To prevent a false imaging of the tomogram image by making mutual connection between, and fixation of, the electrodes at an opposite end to that upon which radiation is incident, and thereby zeroing the fluctuations in the outpu...
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JPH0479433B2 |
A radiation detector (30) has a housing (32) in which is sealed a gas to be ionized when X-rays are projected therein. A plurality of electrodes for detecting the X-rays are arranged in the housing (32), and the housing is curved with a ...
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JPH0450548Y2 |
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JPH04129461U |
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JPH0468737B2 |
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JPH04289484A |
PURPOSE: To measure neutron flux density larger than a specific value by constituting electrodes in a 2nd group close to the center of an enclosure so that it is exposed to neutron flux density from electrodes in a 1st group provided nea...
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JPH04274152A |
PURPOSE: To carry out stable operation without causing unevenness of a gap between an anode and a cathode and a short-circuit. CONSTITUTION: A cathode 1 and an anode 2 coated with a neutron-sensitive substance 6 are arranged opposing to ...
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JPH0441564Y2 |
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JPH0485564U |
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JPH04198793A |
PURPOSE: To judge the abnormality of a dose monitor regardless of the value of transmitting radioactive rays by making ionization spaces formed between electrodes equal, and feeding the reverse-polarity voltage to one of a pair of electr...
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JPH04169888A |
PURPOSE: To make the reading of a normally measured value easy without providing the vibrationproofing, etc. to a ionization chamber by holding the value of a signal with compensation into the value of the signal at the prescribed time w...
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JPH0434252B2 |
in a vacuum tube with a window through which radiation is passed, an entrance window member is formed of radiation transparent metal, such as titanium or a titanium-base alloy. An entrance window supporting frame (28), which defines the ...
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JPH0425514B2 |
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JPH0452357U |
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JPH04115455A |
PURPOSE: To determine the direction of the injection position of charged particles against an anode with one cell by providing a dielectric having a plurality of linear conductors neighboring each other, an electric field distribution co...
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JPH0419666B2 |
A neutron ionization chamber of the gamma ray compensation type comprises a neutron-sensing ionization chamber portion having an electrode surface coated with a material for sensing neutrons, a gamma ray-sensing ionization chamber portio...
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JPH0418637B2 |
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JPH0416897B2 |
The invention concerns a way to prolong the service life of proportional counters, there being added to the gas mixture consisting of a rare gas and a hydrocarbon, serving as gas filling in the counters, hydrogen gas in the amount of 0.0...
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JPH0417396B2 |
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JPH0411185Y2 |
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JPH0434827A |
PURPOSE: To obtain a detector able to confirm its sensitivity by current gained from a low radioactive live zero line source and its saturation characteristic by a voltage-current characteristic gained from a high radioactive live zero l...
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JPH0434828A |
PURPOSE: To obtain a simple detector detecting a high-density neutron beam in real time without the effect of a gamma-ray by detecting a neutron beam and a gamma-ray in a first ionization chamber and concurrently detecting the gamma-ray ...
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JPH0434829A |
PURPOSE: To measure a neutron in a wide energy range in real time without the effect of a gamma-ray with simple structure by containing a first gas, reacting mainly a thermal neutron to generate ionization, and a second gas, reacting mai...
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JPH046063B2 |
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JPH0432144A |
PURPOSE: To make a sensitivity and a sensitivity characteristic freely variable by controlling a switch valve in such a way that it becomes a component ratio of an ionization gas sealed in an ionization chamber main body, according to th...
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JPH0412447A |
PURPOSE: To realize a detector which has a simple and strong structure and can use a simple electric signal processing circuit by stretching a linear anode and position reading electrodes in an airtight container with a radioactive ray i...
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JPH04523Y2 |
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JPH044551A |
PURPOSE: To ensure the airtightness of a welded part by butting the open end of a cylindrical peripheral electrode to the periphery of an end plate, and providing a flange protrusively for performing airtight welding. CONSTITUTION: In ca...
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JPH044552A |
PURPOSE: To have easy judgement whether the characteristics of a sensor concerned have deteriorated, by furnishing a high tension electrode with a radiation source having such an intensity as capable of flowing a current with a current d...
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JPH04500134A |
PCT No. PCT/EP89/00897 Sec. 371 Date Dec. 28, 1990 Sec. 102(e) Date Dec. 28, 1990 PCT Filed Aug. 1, 1989 PCT Pub. No. WO90/01792 PCT Pub. Date Feb. 22, 1990.A dosimeter is described that does not show differences in sensitivity over its ...
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JPH045563A |
PURPOSE: To make mass analysis and to identify an impurity by heating a wafer after dropping HCl onto the wafer to convert the impurity to a chloride and evaporating the excess HCl, then rapidly increasing the temp. of the wafer to evapo...
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JPH044550A |
PURPOSE: To judge distribution of X-rays in passage precisely by arranging a plurality of collecting electrodes on both sides of an insulation sheet, wherein electrical insulation is provided, electrically connecting each pair of corresp...
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JPH03274645A |
PURPOSE: To measure radioactive rays having a broard energy range at an arbitrary detection efficiency by using bellows for freely changing the optical path length of radioactive rays in an ionization box. CONSTITUTION: Radioactive rays ...
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JPH03252040A |
PURPOSE: To detect an accurate displaced position of an electrified body in an electrostatic electroscope optically, by measuring the opening of the electrified body in the electroscope by means of the variation of bright and dark lines ...
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JPH0369139B2 |
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JPH03229180A |
PURPOSE: To shorten the distance between a drawing out grid and sample and to improve a catching efficiency for secondary electron than heretofore by mounting a drawing out cylinder which is extended to the sample side from the drawing o...
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JPH0358138B2 |
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JPH0358137B2 |
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JPH0358136B2 |
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JPH0341401Y2 |
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JPH0352835B2 |
The radiation detector employs a rigid stiffener plate fastened to the detector housing to translate the housing resonant frequency outside the band of frequencies associated with the detector signals containing imaging information. In t...
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JPH03179287A |
PURPOSE: To correspond to various radiation environments by a complete set of a detection system by connecting a pressure variable apparatus equipped with a pump, a sub-tank and a pressure control valve to a detector main body by piping....
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JPH0347472B2 |
An X-ray detector, used in an X-ray computerized tomograph systems, and method of making the same. The X-ray detector has a casing filled with gas for detecting X-rays, and flat signal electrode plates and bias electrode plates are dispo...
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JPH0346789B2 |
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