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    Photoelectron emitting member
    3.
    发明授权
    Photoelectron emitting member 失效
    光电子发射构件

    公开(公告)号：US5060805A

    公开(公告)日：1991-10-29

    申请号：US538771

    申请日：1990-06-15

    Applicant: Toshiaki Fujii ,  Kazuhiko Sakamoto

    Inventor： Toshiaki Fujii ,  Kazuhiko Sakamoto

    IPC: B03C3/38 ,  G01N15/02 ,  G01N15/06 ,  H01J1/34

    CPC classification number: H01J1/34 ,  B03C3/383 ,  G01N15/0266 ,  G01N15/0656 ,  H01J2201/3425

    Abstract: A photoelectron emitting member having a multiplex structure comprises a matrix and a protective film. The matrix being selected from the group consisting of elements, inorganic compounds, alloys, mixtures thereof and composites thereof which emit photoelectrons upon exposure to uv rays and other forms of radiation, the protective film comprising at least one material selected from the group consisting of metals, metallic compounds, plastics, polycyclic aromatic hydrocarbon, derivatives thereof or a mixture thereof which is film-forming and not thicker than 0.2 .mu.m. The member can be used in a consistent way over a prolonged period as well as being capable of effective emission of photoelectrons. Fine particles electrically charged with photoelectrons which are emitted upon applying uv rays and/or other forms of radiation to the photoelectron emitting member, can be used in various applications such as (a) separation and classification of fine particles, as well as modifying their surfaces and controlling an electrically charged amount thereof; (b) the measurement of the concentration and size of fine particles in gases such as air and waste gases by using electrically charged fine particles; and (c) trapping and removal of charged fine particles to produce clean gases.

    Secondary emission enhancer for an x-ray image intensifier
    4.
    发明授权
    Secondary emission enhancer for an x-ray image intensifier 失效
    X射线图像增强器的二次发射增强器

    公开(公告)号：US3710125A

    公开(公告)日：1973-01-09

    申请号：US3710125D

    申请日：1970-04-29

    Applicant: UNIV NORTHWESTERN

    Inventor： JACOBS J ,  KOVAC M

    IPC: G21K4/00 ,  H01J1/34 ,  H01J31/50

    CPC classification number: H01J1/34 ,  G21K4/00 ,  H01J2201/3425

    Abstract: The number of electrons emitted from a metal surface that is being bombarded by x-rays is increased by utilizing a secondary electron emission process within an insulator, potassium chloride (KCl), that is deposited on a metal, gold (Au) layer. The problem of obtaining a maximum electron yield from these layers is one of optimizing the secondary electron emission in the KCl for a given x-ray energy. This optimization is a function of the thickness of the KCl, its density, temperature, and an internal electric field.

    Abstract translation: 通过利用在金属，金（Au）层上沉积的绝缘体KCl（KCl）内的二次电子发射过程来增加由被x射线轰击的金属表面发射的电子的数量。 从这些层获得最大电子产量的问题是对于给定的x射线能量来优化KCl中的二次电子发射的问题之一。 该优化是KCl的厚度，其密度，温度和内部电场的函数。

    Micro secondary electron multiplier
    7.
    发明授权
    Micro secondary electron multiplier 失效
    微二次电子倍增器

    公开(公告)号：US4990827A

    公开(公告)日：1991-02-05

    申请号：US169607

    申请日：1988-03-17

    Applicant: Wolfgang Ehrfeld ,  Herbert Moser ,  Dietrich Munchmeyer

    Inventor： Wolfgang Ehrfeld ,  Herbert Moser ,  Dietrich Munchmeyer

    IPC: H01J43/02 ,  H01J9/12 ,  H01J43/06 ,  H01J43/18

    CPC classification number: H01J43/06 ,  H01J9/12 ,  H01J2201/32 ,  H01J2201/3425

    Abstract: A micro secondary electron multiplier or an array thereof employs discrete dynodes which are microstructured and applied to an insulating substrate plate. The substrate plate is provided with electrical conductor paths for the connection of the dynodes. The dynodes can be made using a technique such as X-ray depth lithography-galvanoplasty (the LIGA technique). The micro secondary electron multiplier or an array of such multipliers is extremely small and sensitive, and has a high time resolution. Furthermore there is considerable flexibility in positioning the multipliers of an array.

    Abstract translation: 微二次电子倍增器或其阵列使用微结构化并施加到绝缘衬底板的离散倍增电极。 衬底板设置有用于连接倍增电极的电导体路径。 倍增极可以使用诸如X射线深度光刻 - 电流整流术（LIGA技术）的技术来制造。 微型二次电子倍增器或这种乘法器的阵列非常小且灵敏，并且具有高的时间分辨率。 此外，在定位阵列的乘法器方面存在相当大的灵活性。

    Multiplier element of the aperture plate type, and method of manufacture
    8.
    发明授权
    Multiplier element of the aperture plate type, and method of manufacture 失效
    孔板类型的乘数要素及制造方法

    公开(公告)号：US4806827A

    公开(公告)日：1989-02-21

    申请号：US914848

    申请日：1986-10-03

    Applicant: Gilbert Eschard

    Inventor： Gilbert Eschard

    IPC: H01J43/20 ,  H01J9/12 ,  H01J43/22 ,  H01J43/00

    CPC classification number: H01J43/22 ,  H01J9/12 ,  H01J2201/32 ,  H01J2201/3425

    Abstract: Electron multiplier element for secondary emission, consisting of a first metal plate (11) which has at least one multiplier hole (12) having one input aperture (13) and one output aperture (14), and a second metal plate (16) in parallel with the first plate (11) which has at least one auxiliary hole (17) disposed opposite the output aperture (14) of the multiplier hole (12). The second plate (16) being brought to an electric potential (V1) which is higher than the electric potential (V0) of the first plate. The apertures (13, 14) are such that the projection (18) of the output aperture (14) of the multiplier hole (12) in a plane which is parallel to the first metal plate (11) is at least partially located outside the corresponding projection (19) of the input aperture (13).

    Abstract translation: 用于二次发射的电子倍增器元件由具有至少一个具有一个输入孔（13）和一个输出孔（14）的至少一个乘法器孔（12）的第一金属板（11）和一个第二金属板 平行于第一板（11），其具有与乘法器孔（12）的输出孔（14）相对设置的至少一个辅助孔（17）。 使第二板（16）达到比第一板的电位（V0）高的电位（V1）。 孔（13,14）使得平行于第一金属板（11）的平面中的乘法器孔（12）的输出孔（14）的突起（18）至少部分地位于 输入孔（13）的对应突起（19）。

    Omnidirectional ultraviolet radiation detector
    10.
    发明授权
    Omnidirectional ultraviolet radiation detector 失效
    OMNIDIRECTIONAL ULTRAVIOLET辐射检测器

    公开(公告)号：US3771005A

    公开(公告)日：1973-11-06

    申请号：US3771005D

    申请日：1971-10-12

    Applicant: HONEYWELL INC

    Inventor： ERICKSON C

    IPC: H01J1/34 ,  H01J17/40 ,  H01J47/08 ,  H01J39/06

    CPC classification number: H01J47/08 ,  H01J1/34 ,  H01J17/40 ,  H01J2201/3425 ,  H01J2893/0067

    Abstract: An ultraviolet sensitive gaseous discharge detector has essentially uniform angular sensitivity in a plane perpendicular to the axis of the detector tube and in the plane of the detector tube axis. The cathode of the detector is in the form of a thin sputtered layer of metal adhering to the inner wall of the envelope of the detector.

    Abstract translation: 紫外线敏感的气体放电检测器在垂直于检测器管的轴线并且在检测器管轴的平面中的平面中具有基本上均匀的角度灵敏度。 检测器的阴极是薄的溅射金属层的形式，附着在检测器的外壳的内壁上。

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