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公开(公告)号:KR101556639B1
公开(公告)日:2015-10-01
申请号:KR1020130166828
申请日:2013-12-30
Applicant: 한국원자력연구원
IPC: A61B5/055
CPC classification number: G01T1/2985 , A61B5/0035 , A61B5/055 , A61B6/037 , G01R33/28 , G01R33/381
Abstract: PET-MRI 장치및 그제조방법이개시된다. 솔레노이드코일(Solenoid Coil) 및자기장보정코일을포함하는원통형구조또는이중극자구조의자기공명단층촬영장치(Magnetic Resonance Imaging, MRI) 및도넛형상의일측면및 타측면에 PET 영상센서전극을형성하는원통형구조또는격자형구조의양전자방출단층촬영장치(Positron Emission Tomography, PET)를포함하고, PET의전기장방향과 MRI의자기장방향이평행하도록 PET를 MRI의내부에형성한다.
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公开(公告)号:KR1020140112955A
公开(公告)日:2014-09-24
申请号:KR1020130027686
申请日:2013-03-15
Applicant: 한국원자력연구원
Abstract: The present invention relates to a semiconductor sensor having a delay line structure and a radiation measurement system and measurement method using the same. The semiconductor sensor includes a semiconductor substrate; a first electrode formed on the upper part of the semiconductor substrate in a single wire electrode structure, an upper layer which is formed on the upper part of the first electrode to prevent the distortion of a high frequency signal and signal loss, and a second electrode which is formed on the lower part of the semiconductor substrate by using a conductive material. The first electrode includes a delay line which is arranged in a zigzag pattern on the upper surface of the semiconductor substrate and first and second cathodes which are connected to both ends of the delay line so as to be applied to a large area radiation imaging system, reduce the number of components of the radiation imaging system, and save production costs.
Abstract translation: 本发明涉及一种具有延迟线结构的半导体传感器及其辐射测量系统及其测量方法。 半导体传感器包括半导体衬底; 在单线电极结构中形成在半导体衬底的上部的第一电极,形成在第一电极的上部以防止高频信号和信号损失的失真的上层,以及第二电极 其通过使用导电材料形成在半导体衬底的下部。 第一电极包括在半导体衬底的上表面上以锯齿形图案布置的延迟线和连接到延迟线的两端以便施加到大面积辐射成像系统的第一和第二阴极, 减少辐射成像系统的部件数量,节省生产成本。
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23.
公开(公告)号:KR1020140112953A
公开(公告)日:2014-09-24
申请号:KR1020130027683
申请日:2013-03-15
Applicant: 한국원자력연구원
Abstract: The present invention relates to a silicon radiation sensor, a manufacturing method thereof, and a method to detect radiation based on Compton edge detection by using the same. Provided is the composition including (a) a step of forming first and second SiO2 layers on upper and lower surfaces of a silicon wafer respectively, (b) a step of depositing poly silicon by spinning and coating the first SiO2 layer on the upper surface of the wafer and removing the second SiO2 layer on the lower surface of the wafer, (c) a step of patterning the upper surface of the wafer and doping the surface with boron, and (d) a step of forming a cathode electrode on the patterned part of the upper surface of the wafer and forming an anode electrode on the lower surface of the wafer. Therefore, as a silicon radiation sensor having the thickness of more than 1 mm is manufactured by using a general method to manufacture a silicon radiation sensor, a manufacturing cost is reduced.
Abstract translation: 本发明涉及一种硅辐射传感器及其制造方法以及通过使用该方法来检测基于康普顿边缘检测的辐射。 提供的组合物包括(a)分别在硅晶片的上表面和下表面上形成第一和第二SiO 2层的步骤,(b)通过在第一SiO 2层的上表面上旋转和涂覆第一SiO 2层来沉积多晶硅的步骤 晶片,并且去除晶片的下表面上的第二SiO 2层,(c)图案化晶片的上表面并用硼掺杂表面的步骤,以及(d)在图案化上形成阴极电极的步骤 晶片的上表面的一部分,并在晶片的下表面上形成阳极电极。 因此,通过使用一般的制造硅辐射传感器的方法制造厚度大于1mm的硅辐射传感器,制造成本降低。
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公开(公告)号:KR1020110092841A
公开(公告)日:2011-08-18
申请号:KR1020100012499
申请日:2010-02-10
Applicant: 한국원자력연구원
CPC classification number: G01T1/366 , G01T1/1603 , G01T1/185 , G01T1/24
Abstract: PURPOSE: A kit for radiation energy spectrum measurement and isotope analysis is provided to enable even unskilled users to easily measure radiation energy and analyze isotopes. CONSTITUTION: A kit for radiation energy spectrum measurement and isotope analysis comprises a radiation sensor part(120), a small signal amplifier(130), a main amplifier(140), a multichannel analyzer(150), and a DC converter(160). The radiation sensor part detects the radiation of a sample. The small signal amplifier processes and amplifies a small analog signal received from the radiation sensor part. The main amplifier processes and amplifies the analog signal received from the small signal amplifier into the Gaussian wave form. The multichannel analyzer is embedded with an analog digital converter which converts the signal received from the main amplifier into the digital signal. The DC converter provides power.
Abstract translation: 目的:提供用于辐射能谱测量和同位素分析的试剂盒,使即使不熟练的用户能够轻松测量辐射能量和分析同位素。 构成:用于辐射能谱测量和同位素分析的套件包括辐射传感器部分(120),小信号放大器(130),主放大器(140),多通道分析器(150)和DC转换器(160) 。 辐射传感器部分检测样品的辐射。 小信号放大器处理和放大从辐射传感器部分接收的小的模拟信号。 主放大器将从小信号放大器接收的模拟信号处理并放大为高斯波形。 多通道分析仪嵌有一个模拟数字转换器,将从主放大器接收的信号转换为数字信号。 DC转换器提供电源。
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公开(公告)号:KR1020110088833A
公开(公告)日:2011-08-04
申请号:KR1020100008532
申请日:2010-01-29
Applicant: 한국원자력연구원
IPC: H01L21/20
Abstract: PURPOSE: A membrane maintaining method and a substrate product using the same are provided to stably maintain a membrane which is volatilized or exfoliated when exposed to the air, thereby improving the quality of a substrate product. CONSTITUTION: A main membrane with volatility is provided on a substrate(S3). A protection membrane which seals the main membrane is provided in order to prevent volatilization of the main membrane. An auxiliary membrane is provided in order to block the exposure of a side surface in the main membrane(S2). A cover membrane is provided in the upper part of the main membrane in order to protect the upper part(S4).
Abstract translation: 目的:提供一种膜保持方法和使用该膜保持方法的基板产品,以稳定地保持暴露于空气时挥发或剥离的膜,从而提高基材产品的质量。 构成:在基板上提供具有挥发性的主膜(S3)。 提供密封主膜的保护膜,以防止主膜的挥发。 提供辅助膜以阻止主膜中的侧表面的暴露(S2)。 为了保护上部部分(S4),在主膜的上部设置覆盖膜。
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公开(公告)号:KR1020080060055A
公开(公告)日:2008-07-01
申请号:KR1020060134127
申请日:2006-12-26
Applicant: 한국원자력연구원
Abstract: An apparatus and a method for measuring radiation are provided to monitor changes in radiation amount according to time even from a distance and to minimize the time and workforce for radiation measurement. An apparatus for measuring radiation includes an ion chamber(20) and a gas supply(30). The ion chamber has a sealed space in which a main electrode and a guide electrode are installed. The main electrode is connected to a power supply, collects data generated by ionization of gas in the ion chamber when radiation is applied to the ion chamber from the outside, and calculates a level of the radiation based on the data. The guide electrode is arranged apart from the main electrode and removes noise among signals collected by the main electrode. The gas supply selectively is coupled to the ion chamber in one body and supplies gases to the sealed space of the ion chamber.
Abstract translation: 提供了一种用于测量辐射的装置和方法,用于根据时间甚至距离监测辐射量的变化,并最小化辐射测量的时间和劳动力。 用于测量辐射的装置包括离子室(20)和气体供应(30)。 离子室具有密封空间,其中安装有主电极和引导电极。 主电极连接到电源,当从外部向离子室施加辐射时,收集由离子室中的气体离子化产生的数据,并根据数据计算辐射水平。 引导电极与主电极分开设置,消除由主电极收集的信号之间的噪声。 气体供应选择性地耦合到一体内的离子室,并将气体供应到离子室的密封空间。
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公开(公告)号:KR1020080019408A
公开(公告)日:2008-03-04
申请号:KR1020060081708
申请日:2006-08-28
Applicant: 한국원자력연구원 , 한국수력원자력 주식회사
Abstract: A zirconia added neutron absorbing pellet and a fabrication method thereof are provided to improve performance as nuclear reactor control or combustible absorbing material by having high thermal conductivity to lower center temperature of the pellet in comparison with a conventional pallet. A fabrication method of a zirconia added neutron absorbing pallet includes the steps of: calculating a mixture ratio of Dy2O3 or Gd2O3 powder and zirconia powder according to concentration of a neutron absorbing element and mixing the powders in the corrected mixture ratio applied with a percentage of actual density of the pallet to theoretical density of a solid resolution with a corresponding composition; drying the mixed powders after wet-milling the mixed powders; converting the powders into a ball type after mixing the dried powders with a pore former; mixing the ball-type powders with the pore former or a lubricant; compacting the ball-type powders; and sintering the compacted powders.
Abstract translation: 提供一种氧化锆添加的中子吸收粒料及其制造方法,以通过与传统的托盘相比具有高导热性以降低丸粒的中心温度来提高作为核反应堆控制或可燃性吸收材料的性能。 添加氧化锆的中子吸收托盘的制造方法包括以下步骤:根据中子吸收元素的浓度计算Dy 2 O 3或Gd 2 O 3粉末与氧化锆粉末的混合比例,并按照实际的百分比将混合粉末混合, 托盘的密度与具有相应组成的固体分辨率的理论密度; 在混合粉末湿磨后干燥混合粉末; 将粉末与成孔剂混合后,将粉末转化成球型; 将球型粉末与成孔剂或润滑剂混合; 压制球型粉末; 并烧结压实的粉末。
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公开(公告)号:KR100715516B1
公开(公告)日:2007-05-08
申请号:KR1020050099539
申请日:2005-10-21
Applicant: 한국원자력연구원 , 한국수력원자력 주식회사
IPC: G21C3/62
CPC classification number: Y02E30/38
Abstract: 본 발명은 원자로에 사용되는 핵연료 소결체의 제조방법에 관한 것이다.
본 발명은 UO
2 원료분말을 마련하는 단계; 상기 마련된 UO
2 원료분말을 압축성형하여 UO
2 성형체를 제조하는 단계; 상기 제조된 성형체를 약산화성 분위기 또는 불활성가스 분위기에서 1400℃ 이상의 온도까지 가열하는 단계; 상기 가열된 성형체를 공기 분위기 또는 공기혼합가스 분위기에서 1분 이상 소결하여 UO
2 소결체를 제조하는 단계; 상기 소결체를 약산화성 분위기 또는 불활성가스 분위기에서 1150~1250℃까지 냉각하는 단계; 및 상기 냉각된 소결체를 환원성 분위기에서 환원처리한 다음 상온까지 냉각하는 단계;를 포함하여 이루어진다.
본 발명은 산화물 핵연료 소결체의 밀도와 결정립 크기를 효율적으로 제어할 수 있을 뿐만 아니라 소결시간도 단축시킬 수 있는 UO
2 소결체의 제조방법을 제공할 수 있다.
이산화우라늄, 핵연료, 소결체, 소결분위기, 조대결정립, 단결정-
公开(公告)号:KR1020060093177A
公开(公告)日:2006-08-24
申请号:KR1020050013990
申请日:2005-02-21
Applicant: 한국원자력연구원 , 한국수력원자력 주식회사
CPC classification number: Y02E30/39
Abstract: 본 발명은 저밀도 B
4 C 소결체 제조기술에 관한 것으로, 보다 상세하게는 B
4 C 소결체가 원자로의 제어봉으로 사용될 때, 헬륨 발생에 의한 팽윤현상을 방지할 수 있도록 상기 B
4 C 소결체를 저밀도로 제조하는 방법에 관한 것이다.
상기의 목적을 달성하기 위한 본 발명의 저밀도 B
4 C 소결체 제조방법은 B
4 C 분말과 윤활 및 기공형성제를 준비하는 단계; 상기 B
4 C 분말과 윤활 및 기공형성제를 볼밀링하여 분쇄 및 혼합하는 단계; 상기 분쇄 및 혼합된 분말에 압력을 가하여 압분체를 형성하는 단계; 상기 압분체를 가열하여 탈왁스 처리하는 단계; 및 상기 탈왁스 처리된 압분체를 소결하는 단계;로 이루어진 것을 특징으로 한다.
저밀도, 소결체, B4C, 탈왁스, 기공형성제-
30.
公开(公告)号:KR1020020085280A
公开(公告)日:2002-11-16
申请号:KR1020010024699
申请日:2001-05-07
Applicant: 한국원자력연구원 , 한국수력원자력 주식회사
IPC: G21C3/02
CPC classification number: Y02E30/40
Abstract: PURPOSE: A method for adding M3O8 scrap powders and a method for controlling a characteristic of a mixed nuclear fuel pellet by a sintering process are provided to recycle scrap powders in a mixed nuclear fuel fabrication process by mixing M3O8 scrap powders with powders of raw materials. CONSTITUTION: M3O8 scrap powders of 5, 10, 12.5, 15, and 30 weight percents are mixed with powders of raw materials, respectively. The M3O8 scrap powders and the powders of raw materials are mixed by using a turbula mixer. A milling process for the mixture is performed. A lump of powders having a circular shape is formed by adding the M3O8 powders to the mixed powders. A sintering process for the lump of powders having the circular shape is performed under atmosphere of hydrogen 7 percent and nitrogen of 93 percent at temperature of 1650 to 1750 degrees centigrade.
Abstract translation: 目的:提供一种通过烧结工艺加入M3O8废粉的方法和控制混合核燃料颗粒特性的方法,通过将M3O8废粉与原料粉末混合来回收混合核燃料制造工艺中的废粉。 构成:分别将5,10,12.5,15和30重量%的M3O8废粉与原料粉末混合。 使用湍流混合器将M3O8废料粉末和原料粉末混合。 进行混合物的研磨过程。 通过将M3O8粉末加入到混合粉末中形成一块具有圆形形状的粉末。 具有圆形形状的粉末块的烧结方法是在氢气气氛7%,氮气93%,温度1650〜1750℃下进行。
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