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    • 56. 发明专利
    • Reflection high-energy electron diffraction method
    • 反射高能电子衍射方法
    • JP2012227009A
    • 2012-11-15
    • JP2011094239
    • 2011-04-20
    • Avc Co Ltd株式会社 エイブイシー
    • SASAKI TOMOAKICHIBA AKIOKAWAMURA MASAMI
    • H01J37/244G01N23/20H01J37/252
    • G01N23/20058G01N2223/102G01N2223/406H01J37/06H01J37/244H01J2237/24475
    • PROBLEM TO BE SOLVED: To provide a reflection high-energy electron diffraction method with which a reflection electron image diffraction pattern can be generated using an electron beam having an extremely small emission current value at a nanoampere level.SOLUTION: In the reflection high-energy electron diffraction method, microchannel plates 17a and 17b are disposed immediately in front of a fluorescent screen 18, and amplify the current of reflected electrons. An electron beam 28 having an emission current value at a nanoampere level is emitted from an electron gun 15 towards the surface of a thin film. Reflected electrons, whose current is already amplified by the microchannel plates 17a and 17b, are incident on the fluorescent screen 18, and a reflection electron diffraction pattern generated from the reflected electrons is displayed on the fluorescent screen 18.
    • 要解决的问题:提供一种反射高能电子衍射方法,利用该反射高能电子衍射方法,可以使用具有纳秒级发射电流值极小的电子束来产生反射电子图像衍射图案。 解决方案:在反射高能电子衍射法中,微通道板17a和17b立即设在荧光屏18的前面,并放大反射电子的电流。 从电子枪15朝向薄膜的表面发射具有纳秒级发射电流值的电子束28。 其电流已经被微通道板17a和17b放大的反射电子入射到荧光屏18上,并且从荧光屏幕18上显示由反射电子产生的反射电子衍射图案。版权所有(C) )2013,JPO&INPIT