Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 201 - 250 out of 1,284

Document Document Title
WO/1990/004851A1
The invention relates particularly to a detector allowing to carry out a bidimensional analysis of a neutral particle flow. Said detector is comprised of a solid planar converter (5) including a bidimensional array of cells (such as 9c),...  
WO/1990/001792A1
A dosimeter is described that does not show differences in sensitivity over its sensitive area when ambient pressure changes. To that purpose the measuring chamber and a pressure compensation element together form a single gastight chamb...  
WO/1990/000747A1
Apparatus and method for quantitative autoradiography analysis involving beta-ray radiation comprises a converter (2) and wire chamber (3) in association with a membrane which provides a seal for the housing in which the converter and wi...  
WO/1989/009485A1
A method is provided for detecting ionization comprising allowing particles that cause ionization to contact high pressure xenon maintained at or near its critical point and measuring the amount of ionization. An apparatus is provided fo...  
WO/1988/009050A1
A device for slit radiography with image equalization comprises a two-dimensional dosimeter for detecting the amount of X-rays transmitted through a body. During a scan different parts of the dosimeter detect the transmitted X-rays. Ther...  
WO/1988/007756A1
A coaxial cable for use as an ionization chamber comprises an inner signal electrode (1) surrounded by an outer high-voltage electrode (2) from which it is separated by an insulator (3). A screening electrode (4) incorporated in the insu...  
WO/1988/002496A1
A system for mapping radioactive specimens comprises an avalanche counter, an encoder (10), pre-amplifier circuits (30), sample and hold circuits (108-114) and a programmed computer. The parallel plate counter (20, 22) utilizes avalanche...  
WO/1988/002495A1
A parallel plate counter (10) utilizes avalanche event counting over a large area with the ability to locate radioactive sources in two dimensions. One novel embodiment comprises a gas-filled chamber (16) formed by a stretched stainless ...  
WO/1987/007430A1
Detecting head assembly capable of detecting and/or scanning radioactive emissions from a sample. The assembly includes a multiplicity of drift chambers (21) below which one or a number of individual samples may be supported. A beta part...  
WO/1987/004800A1
A system and method for obtaining a spatial characterization of a particle beam, including the beam direction, position, divergence, aberrations and intensity profile. A mechanism is also provided for adjusting the beam propagation to a ...  
WO/1987/000294A1
An ionization box-type X-ray detector is free from deterioration of temperature characteristics and of insulation among electrode plates due to an adhesive which adheres a plurality of electrode plates to a pair of insulating support pla...  
WO/1987/000295A1
An electrode aligning jig features good precision in aligning the electrode plates and good operability in manufacturing an array of the electrode plates. The electrode aligning jig has members (11, 12) of a double structure that have a ...  
WO/1986/003332A1
A detecting head assembly which is capable of simultaneously detecting radio-active emissions (such as beta particles) from a multiplicity of samples. The assembly includes a sample holder (1) defining a multiplicity of sample receiving ...  
WO/1985/003799A1
A wide range flux monitoring assembly (10) is provided for in-core neutron flux monitoring in a nuclear reactor vessel (12). The assembly comprises a fixed in-core power range monitor (16) and a fixed in-core extended range start-up moni...  
WO/1983/002331A1
An inner cylindrical cathode (112) and outer cylindrical cathode (106C) are concentrically positioned about a vertical center axis. Vertical anode electrodes (130) extend parallel to the center axis and are symmetrically arranged around ...  
WO/1982/002456A1
The counter is sensitive and compact and is intended to detect ionizing radiations, particularly for dosimetry and decontamination. The tube counter is of a flat construction and is composed of a few simple synthetic pans (1, 8, 9) as we...  
JP7373035B2
A neutron proportional counter (100) is provided. The proportional counter includes a chamber (102) and a gas mixture (110). The chamber (102) includes an anode (104) and a cathode (106). The gas mixture is contained within the chamber a...  
JP7342722B2
To provide a gas electron multiplier which is hard to discharge even if an electric field is increased to improve detection accuracy.A gas electron multiplier includes: a base material 35 in which a plurality of through holes 38 from a f...  
JP7332527B2
A neutron position detector according to an embodiment includes a tubular enclosure used as a cathode, an anode located at an axial center inside the enclosure, and a gas that includes a 3He gas and an additive gas and is sealed inside t...  
JP2023512183A
The photomultiplier tube includes a housing including proximal and distal ends, an optical window located at the proximal end of the housing, an end wall plate located at the distal end of the housing, and an end wall plate located at th...  
JP2022188544A
To provide a radiation detector whose detection efficiency is stable.A radiation detector 10 includes: a container 11; an anode 16 disposed in the container 11; an ionized gas 21 enclosed in the container 11; and a radiation incident mem...  
JP7139198B2
To reduce the possibility of malfunction of an ultraviolet sensor.On the internal surface 13-2a of an envelope glass 13-2, a fluorescent light suppression film 16 for suppressing fluorescent light, induced in the envelope glass 13-2 due ...  
JP7139199B2
To reduce possibility of malfunction of ultraviolet sensor.A metal film (e.g., a film of tungsten of crystal orientation (110)) having a work function larger than that of a base metal 12_1 and around 5.20 eV is formed not only on the fac...  
JP7081626B2
To provide a radiation detection element with a higher accuracy of positional detection.The radiation detection element includes: a base material 10; a first electrode, which penetrates the base material 10 to be exposed on a first surfa...  
JP2022061256A
To provide a photoelectric tube that can improve the light detection efficiency.A photoelectric tube 1 includes a housing 2 including a light transmitting unit 22, an electron emitting unit 3 including a photoelectric surface 32 arranged...  
JP7055732B2
To provide a radiation measuring technology that can change the area of radiation measurement.A radiation measuring device 1 comprises: a radiation detection unit 5 has a cylindrical part 17 filled with a noble gas, and a wire 18 stretch...  
JP7032738B2
A detection element includes an exposed electrode exposed on the first surface side of an insulating substrate, the exposed electrode including a first exposed electrode, a second exposed electrode provided in first direction of the firs...  
JP7017614B1
To provide a phototube capable of improving light detection efficiency. A phototube 1 is held by a housing 2 including a light transmitting portion 22 and a recess 23 provided in the housing 2, and a concave photoelectric surface 32 faci...  
JP7015000B2
To provide an ionization chamber type radiation detection device that allows for simplification of the constitution and reduction of the cost thereof by reducing the number of cables and current detectors connected to the ionization cham...  
JP6985206B2
To provide a radiation position detector capable of preventing disconnection of an anode due to discharge between an outer container and the anode.A radiation position detector 11 includes: a tubular outer container 20 serving as a catho...  
JP6976122B2
To provide an electron tube capable of improving voltage resistance performance and being easily manufactured.An electron tube 1 comprises a housing 2 having a hermetically sealed internal space R, and a cathode K as an electrode for ene...  
JP6977807B2
To provide a detection element that can reduce erroneous detection.A detection element of the present invention comprises: an insulation member; a plurality of first electrodes disposed on a first surface of the insulation member and hav...  
JP6941525B2
To provide a manufacturing method of an electronic tube, capable of easily manufacturing an inner structure of an electronic tube.A first member 30 and a fixture 20 in which a convex part 22 detachably holding a penetration member 3 whil...  
JP6940323B2
To provide an ultraviolet sensor of a W electrode type which is hard to cause malfunction.A tungsten material is rolled (step S101). The surface of the rolled tungsten material is sputtered, and this sputtering is continued until sputter...  
JP6927621B2
This ionization chamber is provided with: a cylindrical external electrode (101); a rod-like inner electrode (102) which is internally contained in the external electrode (101) so as to extend in an axial direction L from one end (101a) ...  
JP2021081190A
To provide a signal processing device capable of easily determining the occurrence of a discharge abnormality of a radiation detector.A signal processing device 7 processes an output signal S0 from a radiation detector 6. The radiation d...  
JP6860369B2
To provide a proportional counter tube capable of suppressing degradation of resolution.A proportional counter tube 1 includes: a conversion film 23 which receives a neutron N and generates an alpha particle A; a capillary plate 21 that ...  
JP6860289B2
A radiation detection assembly that includes an ionization chamber having a cathode and an anode. The ionization chamber detects radiation that passes into the ionization chamber. The assembly includes an exterior enclosure defining a ho...  
JP2021048053A
To improve performance of a light detection device.A light detection device 10 comprises: a tabular photoelectric surface 12 which emits electrons by making light incident thereto; a tabular anode 15 which is disposed so as to be opposed...  
JP6846031B2
To provide an integrated gas electron amplifier module that can be mounted with ease.A gas electron amplifier module comprises: a cathode electrode; a reading electrode opposed to the cathode electrode; a gas electron amplifier electrode...  
JP6821935B2
To provide a detection element and a radiation detection device with the higher accuracy of detecting the position of the radiation.A detection element includes an insulating member including a plurality of layers, a plurality of first e...  
JP6797373B2
To provide an electrode for a gas electron amplifier having excellent mass productivity and capable of inhibiting a short circuit from being caused by discharge between electrodes.Disclosed is an electrode for a gas electron amplifier wh...  
JP6777230B2
The radiation measuring instrument is configured such that a control unit (12) corrects radiation dose information according to a measured value of a barometer (13) based on both a first ionization current caused by electrons generated b...  
JP6747487B2
A radiation detection device includes a detection element including a substrate having a first surface and a second surface on the opposite side with respect to the first surface, a first electrode arranged on the first surface, a second...  
JP6737316B2
A radiation detection element includes a base material having a first surface and a second surface opposite to the first surface, a first electrode penetrating the base material, electrically connected to the first surface side and the s...  
JP6733677B2
A nuclear medicine examination method of specifying a position of a radiation source (450) emitted from a specimen (400) by detecting a charged particle generated by Compton scattering in a gas in a chamber (111) of a pixel-type radiatio...  
JP6696147B2
To provide a detection element capable of reducing erroneous detection.A detection element includes: an insulation member; a plurality of first electrodes arranged on a first side of the insulation member and having a plurality of openin...  
JP6665858B2
A radiation detector using gas amplification, includes: an insulator having a first surface and a second surface positioned at a back surface side of the first surface; a first electrode layer that is provided on the first surface of the...  
JP6645529B2
A detection element comprising: a substrate having a first surface and a second surface facing the first surface and having provided therein a through-hole having different inner diameters at two locations in the thickness direction of t...  
JP6645528B2
A detection element is described. The detection element comprises a substrate having a first surface and a second surface opposite to the first surface, the substrate arranged with a through hole; a through electrode arranged in the thro...  

Matches 201 - 250 out of 1,284