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    • 3. 发明公开
    • 전계 방출 엑스선원 및 이를 이용한 전자 빔 집속 방법
    • 现场排放X射线管及使用该方法聚焦电子束的方法
    • KR1020130141790A
    • 2013-12-27
    • KR1020120064759
    • 2012-06-18
    • 한국전자통신연구원
    • 최성열송윤호
    • H01J35/14H01J35/04
    • H01J35/065H01J3/14H01J29/481H01J29/488H01J29/51H01J29/58H01J29/82H01J35/14
    • A field emission X-ray tube is provided. The X-ray tube is formed at one end of a vacuum chamber. A cathode electrode includes a field emission emitter. The X-ray tube is formed in the vacuum chamber to touch the cathode electrode. A gate electrode has a first opening part. The X-ray tube is electrically connected to the gate electrode and formed on one surface of the gate electrode which is afar from the cathode electrode. A focusing electrode has a second opening part having a width that is larger than that of the first opening part. An anode electrode is formed in the vacuum chamber at the other end in the extension direction of the vacuum chamber. The height of the focusing electrode is the same as the width of the second opening part. The width of the first opening part is 1/3 less than that of the second opening part.
    • 提供场发射X射线管。 X射线管形成在真空室的一端。 阴极包括场致发射体。 在真空室中形成X射线管以接触阴极。 栅电极具有第一开口部。 X射线管与栅电极电连接并形成在远离阴极的栅电极的一个表面上。 聚焦电极具有宽度大于第一开口部的宽度的第二开口部。 在真空室中,在真空室的延伸方向的另一端形成阳极电极。 聚焦电极的高度与第二开口部的宽度相同。 第一开口部的宽度比第二开口部的宽度小1/3。
    • 5. 发明公开
    • 칼라음극선관용 전자총
    • 电子枪用于彩色阴极射线管
    • KR1020030023826A
    • 2003-03-20
    • KR1020010056933
    • 2001-09-14
    • 엘지.필립스 디스플레이 주식회사
    • 김윤진
    • H01J29/48
    • H01J29/503H01J29/58H01J2229/5688
    • PURPOSE: An electron fun for a color CRT is provided to achieve improved resolution of the screen by improving the electron gun structure and reducing the size of the screen spot in the horizontal direction. CONSTITUTION: A CRT comprises an electron gun including a cathode for emitting electron beams and a main electrode constituted by an anode electrode and a cathode electrode; and a velocity modulation coil mounted on the neck portion of the CRT and which operates by being synchronized with the image signal. Two or more focus electrodes of the main electrode of the electron gun for receiving focus voltages are arranged continuously. The expression (gx100)/L=5 to 30% is satisfied, wherein L is the sum of lengths of the focus electrodes of the main electrode, and g is the sum of spacing between electrodes.
    • 目的:提供彩色CRT的电子乐趣,以通过改善电子枪结构并减小屏幕光斑在水平方向上的尺寸来提高屏幕分辨率。 构成:CRT包括电子枪,其包括用于发射电子束的阴极和由阳极电极和阴极电极构成的主电极; 以及安装在CRT的颈部上并通过与图像信号同步操作的速度调制线圈。 用于接收聚焦电压的电子枪主电极的两个或更多个聚焦电极被连续布置。 满足表达式(gx100)/ L = 5〜30%,其中L是主电极的聚焦电极的长度之和,g是电极之间的间距之和。
    • 6. 发明公开
    • 음극선관용 전자총
    • 电子射线管电子枪
    • KR1020010035823A
    • 2001-05-07
    • KR1019990042584
    • 1999-10-04
    • 삼성에스디아이 주식회사
    • 이상훈
    • H01J29/48
    • H01J29/503H01J29/58H01J2229/481
    • PURPOSE: An electron gun in a cathode ray tube is provided to minimize distortion of an electron beam owing to a regular magnetic field of a deflecting coil by making a virtual point of the electron beam change a cross over position. CONSTITUTION: A cathode(21) emits electrons, and a control electrode(22) has a plurality of electron beam penetration holes(24) through which the electron beams from the cathode(21) are penetrated. A screen electrode(23) is installed at the front of the control electrode(22) and has dual electron beam penetration holes(25) opposed to the electron beam penetration holes of the control electrode and formed at input and output sides. The first electron beam penetration hole(25a) is formed at an input side of the screen electrode(23), and the second electron beam penetration hole(25b) is formed at an output side of the screen electrode(23). Focus electrodes are sequentially installed from the screen electrode and preliminarily condenses and accelerates the electron beams.
    • 目的:提供阴极射线管中的电子枪,通过使电子束的虚拟点变成交叉位置,由于偏转线圈的规则磁场而最小化电子束的畸变。 构成:阴极(21)发射电子,控制电极(22)具有多个电子束穿透孔(24),来自阴极(21)的电子束穿过其中。 屏幕电极(23)安装在控制电极(22)的前部,并且具有与控制电极的电子束穿透孔相对并形成在输入和输出侧的双电子束穿透孔(25)。 第一电子束穿透孔(25a)形成在屏幕电极(23)的输入侧,第二电子束穿透孔(25b)形成在屏幕电极(23)的输出侧。 聚焦电极从屏幕电极依次安装,并预先冷凝和加速电子束。