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Parallel electron-beam-induced deposition using a multi-beam scanning electron microscope

机译:使用多束扫描电子显微镜的平行电子束诱导沉积

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摘要

Lithography techniques based on electron-beam-induced processes are inherently slow compared to light lithography techniques. The authors demonstrate here that the throughput can be enhanced by a factor of 196 by using a scanning electron microscope equipped with a multibeam electron source. Using electron-beam induced deposition with MeCpPtMe3 as a precursor gas, 14?×?14 arrays of Pt-containing dots were deposited on a W/Si3N4/W membrane, with each array of 196 dots deposited in a single exposure. The authors demonstrate that by shifting the array of beams over distances of several times the beam pitch, one can deposit rows of closely spaced dots that, although originating from different beams within the array, are positioned within 5?nm of a straight line.
机译:与光光刻技术相比,基于电子束诱导工艺的光刻技术本质上较慢。作者在此处证明,通过使用配备有多束电子源的扫描电子显微镜,可以将通量提高196倍。使用以MeCpPtMe3为前驱体气体的电子束诱导沉积,在W / Si3N4 / W膜上沉积14××14 14个含Pt的点阵列,每个阵列中有196个点的单次沉积。作者证明,通过将光束阵列移动几倍光束间距的距离,就可以沉积成排的紧密间隔的点,这些点虽然起源于阵列中的不同光束,但位于直线的5?nm以内。

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