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序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
1 单片CR-39两次蚀刻法同步测量222Rn、220Rn浓度的方法 CN201510805209.X 2015-11-20 CN105353401A 2016-02-24 谭延亮; 袁红志
一种单片CR-39两次蚀刻法同步测量222Rn、220Rn浓度的方法,对单片CR-39进行两次蚀刻,利用两次的读数来同步得到222Rn、220Rn浓度。其具体操作步骤如下:将CR-39安装在一个小盒中,组成一个CR-39固体径迹探测器,然后将CR-39固体径迹探测器放在环境空气中测量空气中222Rn和220Rn浓度,测量时间为T1,测量完成后对CR-39进行两次蚀刻,分别在显微镜下读取径迹数N1、N1。再将CR-39固体径迹探测器分别放入浓度为C1标准222Rn室和照射浓度为C2标准220Rn室,照射时间为T2,照射完成后对CR-39树脂片进行两次蚀刻,分别在显微镜下读取径迹数 、、、,然后通过计算得到环境中222Rn和220Rn的浓度。
2 一种用于确定入射中子辐射源的方向的中子检测系统及方法 CN201280068801.0 2012-12-13 CN104094136B 2017-02-22 R·塔里雅克汗; B·阿卡姆博特
发明公开了一种方向-位置感测快速中子传感器系统。该系统包括一个或者多个声压张亚稳液体检测器(ATMFD),用于确定入射中子辐射源的方向。该系统已经用于检测1Ci Pu-Be中子辐射源的位置。ATMFD检测器在技术性能方面与方向性快速中子检测器组技术具有可比性,但是显著更经济、更小,并且几乎不受非中子背景辐射的干扰。ATMFD检测器能够用于定位隐藏的中子源,并且已经在盲测中这样做了。具体地说,ATMFD系统(具有6×10cm的截面积)在60秒内以68%的置信度,以11.2°的分辨率,提供来自距离为25m的8kg Pu源的进入中子辐射的方向性信息。还利用两个ATMFD示范了位置和中子源图像感测。
3 方向-位置传感的快速中子检测器 CN201280068801.0 2012-12-13 CN104094136A 2014-10-08 R·塔里雅克汗; B·阿卡姆博特
发明公开了一种方向-位置感测快速中子传感器系统。该系统包括一个或者多个声压张亚稳液体检测器(ATMFD),用于确定入射中子辐射源的方向。该系统已经用于检测1Ci Pu-Be中子辐射源的位置。ATMFD检测器在技术性能方面与方向性快速中子检测器组技术具有可比性,但是显著更经济、更小,并且几乎不受非中子背景辐射的干扰。ATMFD检测器能够用于定位隐藏的中子源,并且已经在盲测中这样做了。具体地说,ATMFD系统(具有6×10cm的截面积)在60秒内以68%的置信度,以11.2°的分辨率,提供来自距离为25m的8kg Pu源的进入中子辐射的方向性信息。还利用两个ATMFD示范了位置和中子源图像感测。
4 ミュオン軌跡検出器及びミュオン軌跡検出方法 JP2014004523 2014-01-14 JP2015132559A 2015-07-23 中山 幸一; 宮寺 晴夫; 吉岡 研一; 杉田 宰; 久米 直人; 伴 雄一郎
【課題】簡易な構成で迅速にミュオンの飛行軌跡を検出することが可能なミュオン軌跡検出技術を提供する。
【解決手段】ミュオン軌跡検出器10は、ミュオンの通過を検出するドリフトチューブ11を多層に配列させたドリフトチューブ検出器12と、ミュオンの通過が検出されたドリフトチューブ11それぞれの検出時間に基づいてドリフトチューブ11間の検出時間の時間差を計算する検出時間差計算部14と、設定されたミュオンの軌跡に対応付けられた、ドリフトチューブ11間の検出時間の時間差を時間差情報として予め保存する時間差情報保存部16と、計算された時間差と時間差情報保存部16で保存された時間差情報とを照合する時間差照合部15と、合致する時間差情報に対応するミュオンの軌跡を、ドリフトチューブ検出器12で検出されたミュオンの飛行軌跡として出するミュオン軌跡出力部17と、を備える。
【選択図】 図1
5 METHOD, APPARATUS AND COMPUTER PROGRAM FOR MEASURING THE DOSE, DOSE RATE OR COMPOSITION OF RADIATION EP07723159.5 2007-03-09 EP2130063B1 2017-10-18 HEIJNE, Erik, Henricus, M.; POSPISIL, Stanislav
6 Neutron radiograph Lee - - film observation device JP22633286 1986-09-26 JPH0743468B2 1995-05-15 ボルフガンク・シユルツ
7 JPS4839043A - JP9280372 1972-09-14 JPS4839043A 1973-06-08
8 検出位置感知する高速中性子検出器 JP2014547438 2012-12-13 JP2015512505A 2015-04-27 ルシ・タレヤーカーン; ブライアン・アーシャンボルト
方向性位置感知式高速中性子センサーシステムが開示される。システムは入射中性子放射の線源の方向を決定するための1つ以上の音響的に張を印加された準安定液体検出器(ATMFD)を含む。システムは、1CiのPu−Be中性子放射線源の位置を検出するために用いられた。ATMFD検出器は、方向性高速中性子検出器を積み重ねる技術と技術的性能で同等であるが、顕著により経済的であり小さく、非中性子背景放射からはほとんど全く干渉しない。ATMFD検出器は秘匿された中性子線源を位置決定するために用いることができ、そのようにするためのブラインドテストで用いられた。具体的には、ATMFDシステム(断面積6?10cm)が60秒以内に68%の信頼性で11.2?の分解能で25mの距離から8kgのPu線源からの入射中性子に関する方向性情報を提供する。位置及び中性子線源画像感知もまた2つのATMFDを用いて実証された。
9 α線量率測定方法 JP2006537590 2004-09-28 JPWO2006035496A1 2008-05-15 良三 高須; 裕幸 福田
固体飛跡検出器12と試料10とを重ね合わせた状態で所定時間放置する第1のステップと、固体飛跡検出器をエッチングすることにより、固体飛跡検出器に入射したα線の飛跡に応じたエッチピット20を固体飛跡検出器に形成する第2のステップと、固体飛跡検出器に形成されたエッチピットの数と放置時間とに基づいて、試料から放出されたα線の線量率を求める第3のステップとを有している。試料と固体飛跡検出器とを比較的長時間放置しておき、エッチピットの数を放置時間で除算することによりα線の線量率を求めるため、放置時間を長く設定するほどバックグラウンドの影響を小さくすることができる。従って、極めて高精度にα線の線量率を求めることが可能となる。
10 Neutron radiography-film observation device JP22633286 1986-09-26 JPS6275338A 1987-04-07 BORUFUGANKU SHIYURUTSU
11 Method and device for determining a position of point and line sources in a positron emission tomography (PET) apparatus US14668583 2015-03-25 US09880298B2 2018-01-30 Karthikayan Balakrishnan
An apparatus and method for determining a position of a point source arranged in a Positron Emission Tomography (PET) scanner apparatus. The apparatus includes processing circuitry configured to obtain list-mode data generated from a PET scan of the point source, determine a plurality of lines-of-response (LORs) from the obtained list-mode data, determine intersecting pairs of LORs from the determined plurality of LORs, determine corresponding coordinates of intersection points of the determined intersecting pairs of LORs, and determine the position of the point source based on the determined coordinates of the intersections points.
12 METHOD AND DEVICE FOR DETERMINING A POSITION OF POINT AND LINE SOURCES IN A POSITRON EMISSION TOMOGRAPHY (PET) APPARATUS US14668583 2015-03-25 US20160282486A1 2016-09-29 Karthikayan BALAKRISHNAN
An apparatus and method for determining a position of a point source arranged in a Positron Emission Tomography (PET) scanner apparatus. The apparatus includes processing circuitry configured to obtain list-mode data generated from a PET scan of the point source, determine a plurality of lines-of-response (LORs) from the obtained list-mode data, determine intersecting pairs of LORs from the determined plurality of LORs, determine corresponding coordinates of intersection points of the determined intersecting pairs of LORs, and determine the position of the point source based on the determined coordinates of the intersections points.
13 STRUCTURE AND METHOD TO ENSURE CORRECT OPERATION OF AN INTEGRATED CIRCUIT IN THE PRESENCE OF IONIZING RADIATION US13442062 2012-04-09 US20140032135A1 2014-01-30 ETHAN H. CANNON; MICHAEL J. HAUSER; TIMOTHY D. SULLIVAN
Systems and methods to ensure correct operation of a semiconductor chip in the presence of ionizing radiation is disclosed. The system includes a semiconductor chip, a first radiation detection array incorporated in the semiconductor chip, and at least one additional radiation detection array incorporated in the semiconductor chip. a processor determines a region of the semiconductor chip affected by an incident radiation particle by analyzing a trajectory of the radiation particle determined from locations of sensors hit by the radiation particle in the first radiation detection array and the at least one additional radiation detection array. The processor determines whether corrective action is needed based on the region of the semiconductor chip affected by the incident radiation particle.
14 Method, Apparatus and Computer Program for Measuring the Dose, Dose Rate of Composition of Radiation US13113521 2011-05-23 US20120006991A1 2012-01-12 Erik Henricus M. Heijne; Stanislav Pospisil
A method and an apparatus for measuring the dose, the dose rate and/or the composition of radiation is disclosed. In the method, a detector means is exposed to a radiation environment, the detector means comprising an array of radiation sensing detector elements. The detector means is switched in a sensitive state for the duration of a sensitive time period, and during said sensitive time period, an interaction pattern generated by individual radiation quanta interacting with one or more of the detector elements is recorded. The duration of the sensitive time period can be precisely adapted to the intensity of the radiation that has to be recorded. The interaction pattern is analyzed to distinguish individual radiation quanta received during the sensitive time period, and a radiation category is assigned to each of the distinguished radiation quanta based on its corresponding interaction pattern. A dose, a dose rate and/or a composition of radiation is then computed from the detected and categorized radiation quanta. Weight factors are attributed to each radiation category to take into account the individual degree of damage which the corresponding category can inflict in the irradiated materials.
15 High resolution track etch autoradiography US120126 1993-09-10 US5376800A 1994-12-27 Guido Solares; Robert G. Zamenhof
A detector assembly for use in obtaining alpha-track autoradiographs, the detector assembly including a substantially boron-free substrate; a detector layer deposited on the substantially boron-free substrate, the detector layer being capable of recording alpha particle tracks and exhibiting evidence of the alpha tracks in response to being exposed to an etchant, the detector layer being less than about 2 microns thick; and a protective layer deposited on the detector layer, the protective layer being resistant to the etchant and having a thickness of about 0.5 to 1 microns.
16 High resolution track etch autoradiography US801952 1991-12-03 US5296090A 1994-03-22 Guido Solares; Robert G. Zamenhof
A detector assembly for use in obtaining alpha-track autoradiographs, the detector assembly including a substantially boron-free substrate; a detector layer deposited on the substantially boron-free substrate, the detector layer being capable of recording alpha particle tracks and exhibiting evidence of the alpha tracks in response to being exposed to an etchant, the detector layer being less than about 2 microns thick; and a protective layer deposited on the detector layer, the protective layer being resistant to the etchant and having a thickness of about 0.5 to 1 microns.
17 Collapsible detector for short and long term measurements of radon gas US507239 1990-04-10 US5070247A 1991-12-03 Claude M. Wiblin
The device is a collapsible alpha track registration detector which will cost less to use and which can be used for measuring radon concentration over short and long term exposure times. The device includes a collapsible housing, defining an interior volume, in which is a strip of track registration material which forms damage tracks along paths traversed by alpha particles emitted during radioactive decay. The strip is retained within the housing on a cardboard holder to locate the strip at a predetermined location within the housing. The housing is a combination of a gusseted plastic bag and cardboard such that when collapsed it is a flat container but when in use it appears as a prism. The selected cardboard and plastic bag block particles and radon daughter products while admitting air and radon to the interior of the housing. The plastic bag has a hole to allow air to enter when being placed in use but the hole is sealed to one of the cardboard faces which prevents unwanted leakage. The detector includes a data form for entry of exposure information. The device with instructions will fit into a standard business envelope. Following use, the apparatus can become the return mailer.
18 Means for confining a translatable member to straight line motion US3690642D 1971-01-20 US3690642A 1972-09-12 ANGELSTRAND BORJE; MOSTROM RAGNAR; YNGVESSON HENRY
In structure comprising a pair of elements, one movable in a straight path relative to the other, one of the elements is provided with a track having a true, flat master surface extending in the direction of motion and an oppositely facing generally flat and parallel surface. The other element has rollers on fixed axes engaging the master surface and rollers on yieldingly movable axes engaging the other surface to maintain the first mentioned rollers firmly engaged with the master surface.
19 Method and apparatus for tracing a track US3450934D 1967-06-07 US3450934A 1969-06-17 FRENK HELMUTH
20 Scanning apparatus for aiding in the determination of point co-ordinates of paths of charged particles as recorded on photographic film US29086963 1963-06-26 US3366794A 1968-01-30 ALVAREZ LUIS W
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