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JP5914072B2 |
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JP5912719B2 |
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JP5912732B2 |
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JP5912728B2 |
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JP2016020886A |
To provide a Geiger-Muller counter tube and radiation meter, which allow for making measurements easily and offer high radiation detection sensitivity.A Geiger-Muller counter tube (110) comprises a cylindrical sealed tube (111) having a ...
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JP2015533422A |
The present invention is a charged particle sensor (10) that detects and measures an ion current generated by a charged particle generated from an ionization step, and is for recovering the charged particle by being surrounded by a housi...
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JP2015203633A |
To provide a proportional counter capable of suppressing leak current on a surface of an insulator between a positive electrode and a negative electrode metal container, and provide a manufacturing method of the proportional counter.The ...
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JP2015194453A |
To provide a Geiger-Muller counter tube capable of maintaining homogeneity of gas enclosed therein, and a radiation meter having the same.A Geiger-Muller counter tube (10) comprises: a cylindrical sealed tube (11) having a hermetically s...
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JP5790750B2 |
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JP2015175679A |
To provide a Geiger-muller counter into which inert gas and quench gas are encapsulated while the ratio is controlled at a predetermined ratio, and to provide a method of manufacturing the Geiger-muller counter.A Geiger-muller counter (1...
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JP2015166711A |
To provide a proportional counter tube which suppresses the attenuation of intensity of an incident X ray by reducing a dead region, so as to improve detection efficiency of the incident X ray.A proportional counter tube includes: a cyli...
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JP2015143663A |
To provide a radioactive gas monitor which has a compact and relatively simple configuration and is capable of measuring radioactivity concentration of a detection target gas for each nuclide.A radioactive gas monitor 1 includes; a vente...
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JP5756462B2 |
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JP2015064267A |
To provide a radiation detection device capable of measuring low dose with a simple constitution.A radiation sensor is constituted by forming a first insulator layer covering a first electrode and a second insulator layer covering a seco...
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JPWO2013057803A1 |
To provide a technique for detecting a radioactive substance existing in a substance, which is usually difficult to detect. When radiation flies inside a substance, it is ionized, some of it is ionized, and the other is polarized on the ...
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JP2015049186A |
To provide a proportional counter tube capable of improving detection efficiency of an incident x-ray by narrowing an insensitive area and suppressing intensity attenuation of the incident x-ray.A proportional counter tube comprises: a c...
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JP5604751B2 |
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JP2014170642A |
To provide a substrate for electron amplification which can achieve a sufficient amplification factor while suppressing the occurrence of discharge in electron avalanche amplification, and to provide a method for manufacturing such a sub...
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JP5562584B2 |
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JP5540471B2 |
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JP5512872B1 |
To provide a particle detector having improved heat resistance and reliability. An outer enclosure 12 includes an outer enclosure main body 21 formed in a tubular shape made of stainless steel. The outer enclosure 12 includes one and oth...
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JP5471051B2 |
A radiation detector (10) using gas amplification includes: a first electrode pattern (212) which is formed on a first surface of an insulating member (211) and has a plurality of circular openings; and a second electrode pattern (213) w...
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JP2014055817A |
To provide a Geiger-Muller counter in which disturbance of an electric field is prevented and a radiation detector.A Geiger-Muller counter (100) includes: a cylindrical sealed tube (110) formed of glass and having a space with two hermet...
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JP2014007086A |
To provide an easy method of manufacturing a Geiger-Muller counter capable of measuring a fast neutron, and to provide a Geiger-Muller counter, and a radiation detector.A method of manufacturing a Geiger-Muller counter includes a step (S...
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JP2014002917A |
To provide a Geiger-Mueller counter which can be filled easily with an inert gas, and to provide a radiation measurement device and a manufacturing method of a Geiger-Mueller counter.A Geiger-Mueller counter (100) includes a cylindrical ...
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JP2013254584A |
To effectively suppress the generation of both of 'discharge' and 'charge-up' even when a glass substrate is used as a base material of a substrate for electronic amplification.A glass substrate 15 for electronic amplification has a thro...
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JP5371568B2 |
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JP2013200196A |
To enable patterning for suppression of discharge generation to be performed with high precision even if miniaturization of arrangement of through-holes progresses when a photosensitive glass is used as a plate-like member.A method for m...
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JP5296618B2 |
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JP2013509672A |
The invention relates to an improved method for fabricating the amplification gap of an avalanche particle detector in which two parallel electrodes are spaced apart by dielectric spacer elements. A foil including a bulk layer made of di...
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JP5159393B2 |
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JP5152950B2 |
To provide a microchannel plate having excellent characteristics capable of attaining both high luminance and high resolution at the same time, a gas proportional counter tube and an imaging device. An inspection device of imaging type i...
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JP5126739B2 |
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JP5065171B2 |
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JP5052733B2 |
In the field of protection from ionising alpha particle radiation there is a need for a low cost, reliable, maintenance free, and self-contained detector that can monitor continuously over a plurality of time periods the levels of airbor...
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JP5022611B2 |
To attain objects to reduce the spread of electrons as compared with a conventional one without degrading the multiplication factor of electrons; to provide a large electron multiplication factor; and to improve positional resolution, th...
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JP4969755B2 |
Spectrally resolved detection of ionizing radiation in a detector comprising a chamber (13) filled with an ionizable substance, a radiation entrance (33), an electron avalanche amplification means, and a read-out arrangement (29), compri...
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JP4829052B2 |
To provide a neutron detector having a small diameter, and a manufacturing method of the neutron detector having the small diameter. In this manufacturing method of the neutron detector wherein a cylindrical cathode 4 is stored in a body...
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JP2011191295A |
To provide an ionizing radiation detector that can be manufactured easily and can detect a radiation incident position with high sensitivity.The ionizing radiation detector has conductive tubes 10-1 to 10-n disposed in parallel and conta...
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JP2011112584A |
To detect amounts of negative ion and positive ion existing in a space as accurately as possible with a simple-structure apparatus.A method for detecting an amount of ion existing in gas includes steps of: positioning detection electrode...
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JP2011099813A |
To achieve an equivalent electron incidence sensitivity (radiation detection accuracy) in an X-direction and a Y-direction of two-dimensional strips.In the two-dimensional strips including a plurality of X-axis strips 11 and a plurality ...
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JP4671153B2 |
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JP4667746B2 |
A method and counter for reducing the background counting rate in gas-filled alpha particle counters wherein the counter is constructed in such a manner as to exaggerate the differences in the features in preamplifier pulses generated by...
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JP4636966B2 |
To prevent wraparound of noise to a detection signal. A shield case 1 is partitioned in a plurality of spaces with shielding plates 3 and 13. In each space, a high voltage supply board, a pre-amplifier circuit board and cables 34 and 35 ...
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JP4638294B2 |
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JP4613319B2 |
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JP4584463B2 |
The present invention concerns an ionization chamber cylindrical in shape comprising an anode (35) formed by a central rod in current-carrying material and a cathode (38) in current-carrying material around the said anode, both connected...
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JP4570132B2 |
An apparatus for detecting X-rays comprises a scintillator which emits a plurality of photoelectrons upon being impacted by an X-ray photon. The photoelectrons are amplified in a gas electron multiplier and the resultant photoelectrons a...
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JP4499262B2 |
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JP4498779B2 |
To provide an X-ray multichannel ion chamber detector having high detection efficiency on low-energy X rays and being easy to assemble/adjust. This detector comprises a sealable outer casing container 2 and a core 1 that can be put into/...
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