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Electron source with microtips, with focusing grid and high microtip density, and flat screen using same
Electron source with microtips, with focusing grid and high microtip density, and flat screen using same
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机译:具有微尖端,聚焦栅和高微尖端密度的电子源,以及使用该电子源的平板显示器
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摘要
A microtip electron source including at least one electron emission zone composed of a plurality of microtips connected electrically to a cathode conductor. At least one gate electrode is positioned opposite the electron emission zone and pierced with apertures located opposite the microtips, to extract the electrons from the microtips. An emitted electron focusing gate is positioned opposite the gate electrode, and includes an aperture unit including at least one slit located opposite at least two successive microtips. A flat display screen can include such a microtip electron source. Further, a manufacturing process of such an electron source is disclosed.
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