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公开(公告)号:KR1020120006711A
公开(公告)日:2012-01-19
申请号:KR1020100067327
申请日:2010-07-13
Applicant: 한국전기연구원
Abstract: PURPOSE: An electron emission device and a manufacturing method thereof are provided to implement mass-production by including a grid structure made with an isotropic wetting process in a silicon wafer direction. CONSTITUTION: A photonic crystal resonator(62) includes a plurality of photonic crystals of a 2D photonic crystal structure. A grid(61) is formed on a silicon wafer corresponding to an electron emitting source. The electron emitting source is formed on the silicon wafer. The electron emitting source is formed at an empty space between photonic crystals. A waveguide(63) is formed at another empty space between the photonic crystals.
Abstract translation: 目的:提供一种电子发射器件及其制造方法,通过在硅晶片方向上包括由各向同性润湿工艺制成的栅极结构来实现批量生产。 构成:光子晶体谐振器(62)包括多个2D光子晶体结构的光子晶体。 栅格(61)形成在与电子发射源相对应的硅晶片上。 电子发射源形成在硅晶片上。 电子发射源形成在光子晶体之间的空白空间。 在光子晶体之间的另一个空白空间处形成波导(63)。
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公开(公告)号:KR101098799B1
公开(公告)日:2011-12-27
申请号:KR1020100107876
申请日:2010-11-01
Applicant: 한국전기연구원
Abstract: PURPOSE: An electron emitting apparatus is provided to improve the electric current density of an electron which is emitted from an emitter by forming a cathode into a convexo-concave shape after etching. CONSTITUTION: A cathode part(200) generates an electron and transfers the electron to a anode part(100). A substrate(210) etches a top silicon wafer as a convexo-concave shape. Photonic crystals are formed in a silicon crystal direction through an anisotropic wet process. An emitter(230) is formed in the upper side of the photonic crystals. The emitter is formed on among carbon nano-tubes, carbon films, carbon tubule nano-coils, and aluminum nitride nano-rods. A metal layer comprises a gold film.
Abstract translation: 目的:提供一种电子发射装置,用于通过在蚀刻之后将阴极形成凹凸形状来改善从发射体发射的电子的电流密度。 构成:阴极部分(200)产生电子并将电子转移到阳极部分(100)。 衬底(210)蚀刻顶部硅晶片为凹凸形状。 通过各向异性湿法在硅晶体方向上形成光子晶体。 发光体(230)形成在光子晶体的上侧。 发射体形成在碳纳米管,碳膜,碳微管纳米线圈和氮化铝纳米棒之间。 金属层包括金膜。
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公开(公告)号:KR1020160059534A
公开(公告)日:2016-05-27
申请号:KR1020140160831
申请日:2014-11-18
Applicant: 한국전기연구원
Abstract: 본발명은리프(leaf)를주(main) 리프와종속(slave) 리프로분할한구조로구성하여, 주(main) 리프수만큼의주 구동기(예, 모터또는액츄에이터등)를이용한주(main) 리프와종속(slave) 리프의이동과주(main) 리프상에각각결합된다른보조구동기(예, 모터또는액츄에이터등)를이용한종속(slave) 리프의이동을제어하여, 시스템의복잡도나두께증가없이도, LINAC(Linear Accelerator) 등방사선발생기구에서조사되는방사선의모양을고분해능이가능하도록효과적으로조절하여출력할수 있는다엽콜리메이터(MLC)에관한것이다.
Abstract translation: 本发明涉及一种具有将叶分成主叶和从叶的结构的多叶准直器(MLC)。 MLC通过使用许多主要驱动器(如电动机或执行器)来控制主叶片和从动叶片的运动,作为主叶片的数量,以及使用其他辅助驱动器(例如马达或致动器)分别耦合的从动叶片的运动 到主叶片以有效地调节从诸如线性加速器(LINAC)的辐射生成机构辐射的辐射的形式和调整形式的输出辐射,以实现高分辨率而不增加系统的复杂性或厚度。
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公开(公告)号:KR1020160059528A
公开(公告)日:2016-05-27
申请号:KR1020140160793
申请日:2014-11-18
Applicant: 한국전기연구원
Abstract: 본발명은높은도즈(dose) 레이트(rate)를유지하며별도의추가냉각시스템이필요없고 MRI 정렬문제도해결할수 있도록, 자기공명영상(MRI)을위한환형자기장발생기구내부에 LINAC(Linear Accelerator) 치료를위한방사선발생기구를설치한구조의 MRI 기반방사선치료기시스템에관한것이다.
Abstract translation: 本发明涉及一种基于磁共振成像(MRI)的放射治疗系统,其具有将用于线性加速器(LINAC)治疗的放射线产生装置安装在用于MRI的圆形磁场产生装置中的结构,使得高 剂量率可维持; 不需要额外的冷却系统; 并且可以解决与MRI布置有关的问题。 基于MRI的放射治疗系统包括:圆形磁场产生装置,具有支架形表面,并且包括分别安装在由支架形槽分隔开的两侧的圆形体内的磁场产生装置; 以及沿支架形圆形槽安装的一个或多个LINAC。
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公开(公告)号:KR1020150049317A
公开(公告)日:2015-05-08
申请号:KR1020130129707
申请日:2013-10-30
Applicant: 한국전기연구원
Abstract: MRI(Magnetic Resonance Imaging) 영상유도기반선형가속기를이용한치료시스템에있어서, 대상체가위치되는영역에자기장을형성하는서로분리된형태의복수의마그네틱코일(split-type magnetic coil)을포함하는 MRI 장치; 상기 MRI 장치외부에위치하여상기복수의마그네틱코일이분리된공간을차폐하고, 상기 MRI 장치둘레를따라회전가능한제 1 차폐막; 상기제 1 차폐막에형성된홀을통해대상체로엑스선을조사하는선형가속기; 및상기대상체의관심영역에기초하여, 상기제 1 차폐막의회전정도를제어하는제어부를포함하는본 발명의일 실시예에따른치료시스템이개시된다.
Abstract translation: 在本发明的一个实施例中公开了一种使用基于磁共振成像(MRI)图像引导的线性加速器的治疗治疗系统,其包括在包括多个分割型磁性线圈的MRI装置上形成磁场的区域中的物体 位于; 位于MRI装置外部的第一阻挡膜,阻挡多个磁性线圈分离的空间,并围绕MRI装置旋转; 线性加速器通过形成在第一阻挡膜上的孔向物体辐射X射线; 以及控制部,其基于所述物体的感兴趣区域来控制所述第一阻挡膜的旋转度。
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16.
公开(公告)号:KR101420226B1
公开(公告)日:2014-07-18
申请号:KR1020120133458
申请日:2012-11-23
Applicant: 한국전기연구원
IPC: G01N21/35
Abstract: 본 발명은 고출력 신호원에서 발생된 고출력 테라헤르츠파를 파워 분배기를 통하여 신호의 세기가 배열 송신 안테나로 분배되어 방사되도록 하고, 시료를 통과한 신호 또는 시료에서 반사된 신호는 배열 수신 안테나에 집속되어 배열 검출기를 통해 시료 내의 특정 물체를 검출하여 영상화 할 수 있도록 함으로써, 대면적 시료를 실시간으로 측정하기 위해 필요한 신호원의 수를 감소시켜 저비용으로 검출 및 영상장치를 구성할 수 있고, 주파수 체배기를 사용하여 동시에 다양한 주파수를 갖는 신호를 이용해서 해상도와 신호들 간의 간섭 효과를 감소시킬 수 있는, 비파괴 검사를 위한 고출력 테라헤르츠 신호원 기반 실시간 검출 및 영상 장치에 관한 것이다.
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公开(公告)号:KR101386016B1
公开(公告)日:2014-04-16
申请号:KR1020120134282
申请日:2012-11-26
Applicant: 한국전기연구원
Abstract: An electron beam generation device according to the present invention includes a vacuum chamber with an opening unit emitting the electron beam on the upper part; a cold cathode located in the vacuum chamber; a grid electrode on the upper part of the cold cathode; an anode on the upper part of the grid electrode; a first power source for applying direct current voltage between the cold cathode and the anode; a second power source for applying alternating current voltage between the cold cathode and the anode; and a laser beam source for generating laser beam pulses outside of the vacuum chamber and delivering the laser beam pulses into the vacuum chamber via a light-guiding unit while the laser beam pulses are emitted towards an electron-emitting unit formed on the cold cathode. The electron beam generation device according to the present invention is capable of significantly reducing the width of the electron beam pulses by generating the electron beam pulses using laser beam pulses.
Abstract translation: 根据本发明的电子束产生装置包括具有在上部发射电子束的开口单元的真空室; 位于真空室内的冷阴极; 冷阴极上部的栅电极; 栅电极上部的阳极; 用于在冷阴极和阳极之间施加直流电压的第一电源; 用于在所述冷阴极和所述阳极之间施加交流电压的第二电源; 以及激光束源,用于在真空室外产生激光束脉冲,并且通过光导单元将激光束脉冲输送到真空室中,同时将激光束脉冲朝向形成在冷阴极上的电子发射单元发射。 根据本发明的电子束产生装置能够通过使用激光束脉冲产生电子束脉冲来显着地减小电子束脉冲的宽度。
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公开(公告)号:KR101378447B1
公开(公告)日:2014-03-26
申请号:KR1020120130836
申请日:2012-11-19
Applicant: 한국전기연구원
Abstract: The present invention relates to a non-invasive medical instrument including an MRI device and a LINAC system, capable of minimizing impacts of a LINAC system or surrounding metal materials on a magnetic field for MRI and minimizing impacts on the generation of electronic beams in the LINAC system while maintaining uniform distribution of the magnetic field for MRI whilst acquiring images from an MRI device and enabling local X-ray generation of the LINAC system at various angles, by installing the LINAC system to be rotatable and movable through a rail or a rotation gantry inside a circular- or disk-shaped outer box having a magnetic field shielding structure among magnetic field generation devices for MRI. [Reference numerals] (AA) X-ray
Abstract translation: 本发明涉及一种包括MRI装置和LINAC系统的非侵入性医疗器械,其能够最小化LINAC系统或周围金属材料对MRI磁场的影响并最小化对LINAC中电子束产生的影响 系统,同时保持用于MRI的磁场的均匀分布,同时从MRI装置获取图像,并且通过将LINAC系统安装成可旋转并可通过轨道或旋转机架移动,从而实现各种角度的LINAC系统的局部X射线产生 在用于MRI的磁场产生装置中具有磁场屏蔽结构的圆形或圆盘形外箱内。 (附图标记)(AA)X射线
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