ION SOURCE
    5.
    发明申请
    ION SOURCE 有权
    离子源

    公开(公告)号:US20120007490A1

    公开(公告)日:2012-01-12

    申请号:US12959601

    申请日:2010-12-03

    IPC分类号: H01J21/10

    摘要: An ion source using a field emission device is provided. The field emission device includes an insulative substrate, an electron pulling electrode, a secondary electron emission layer, a first dielectric layer, a cathode electrode, and an electron emission layer. The electron pulling electrode is located on a surface of the insulative substrate. The secondary electron emission layer is located on a surface of the electron pulling electrode. The cathode electrode is located apart from the electron pulling electrode by the first dielectric layer. The cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron output portion. The electron emission layer is located on the surface of the cathode electrode and oriented to the electron pulling electrode.

    摘要翻译: 提供了使用场发射装置的离子源。 场致发射器件包括绝缘衬底,电子牵拉电极,二次电子发射层,第一介电层,阴极电极和电子发射层。 电子牵引电极位于绝缘基板的表面上。 二次电子发射层位于电子牵拉电极的表面上。 阴极通过第一介电层与电子牵拉电极分开。 阴极电极具有取向于电子牵引电极的表面,并且限定作为电子输出部分的第一开口。 电子发射层位于阴极表面并且定向到电子牵引电极。

    Field emission electron source having carbon nanotube and manufacturing method thereof
    6.
    发明授权
    Field emission electron source having carbon nanotube and manufacturing method thereof 有权
    具有碳纳米管的场发射电子源及其制造方法

    公开(公告)号:US07710008B2

    公开(公告)日:2010-05-04

    申请号:US11514595

    申请日:2006-09-01

    IPC分类号: H01J1/62

    摘要: A field emission electron source (10) includes a conductive base (12), a carbon nanotube (14), and a film of metal (16). The conductive base includes a top (122). One end (142) of the carbon nanotube is electrically connected with the top of the conductive base. The other end (144) of the carbon nanotube extends outwardly away from the top of the conductive base. The film of metal is formed on the nearly entire surface of the carbon nanotube and at least on the portion of the top of the conductive base proximate the carbon nanotube. A method for manufacturing the described field emission electron source is also provided.

    摘要翻译: 场发射电子源(10)包括导电基底(12),碳纳米管(14)和金属薄膜(16)。 导电基底包括顶部(122)。 碳纳米管的一端(142)与导电性基材的顶部电连接。 碳纳米管的另一端(144)向外远离导电基底的顶部。 金属膜形成在碳纳米管的几乎整个表面上,并且至少在靠近碳纳米管的导电基底顶部的部分上形成。 还提供了一种用于制造所述场致发射电子源的方法。

    Techniques for Optimizing Nanotips Derived from Frozen Taylor Cones
    8.
    发明申请
    Techniques for Optimizing Nanotips Derived from Frozen Taylor Cones 有权
    用于优化来自冷冻泰勒锥的纳米芯片的技术

    公开(公告)号:US20170076901A1

    公开(公告)日:2017-03-16

    申请号:US15361911

    申请日:2016-11-28

    申请人: Gregory Hirsch

    发明人: Gregory Hirsch

    摘要: Optimization techniques are disclosed for producing sharp and stable tips/nanotips relying on liquid Taylor cones created from electrically conductive materials with high melting points. A wire substrate of such a material with a preform end in the shape of a regular or concave cone, is first melted with a focused laser beam. Under the influence of a high positive potential, a Taylor cone in a liquid/molten state is formed at that end. The cone is then quenched upon cessation of the laser power, thus freezing the Taylor cone. The tip of the frozen Taylor cone is reheated by the laser to allow its precise localized melting and shaping. Tips thus obtained yield desirable end-forms suitable as electron field emission sources for a variety of applications. In-situ regeneration of the tip is readily accomplished. These tips can also be employed as regenerable bright ion sources using field ionization/desorption of introduced chemical species.

    摘要翻译: 公开了优化技术,用于产生依赖于由具有高熔点的导电材料产生的液体泰勒锥的尖锐和稳定的尖端/纳米片。 首先用聚焦激光束熔化这种具有预制件端部为规则的或凹形的形状的材料的线基材。 在高正电位的影响下,在此端形成液态/熔融状态的泰勒锥。 然后在停止激光功率时,锥体被淬火,从而冻结泰勒锥。 冷冻泰勒锥的尖端被激光器重新加热,以允许其精确的局部熔化和成型。 如此获得的提示产生适合作为各种应用的电子场发射源的期望的终端形式。 尖端的原位再生容易实现。 这些尖端也可以用作引入化学物质的场电离/解吸的可再生的明亮离子源。