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    • 62. 发明授权
    • Production scale fabrication method for high resolution AFM tips
    • 高分辨率AFM提示的生产规模制作方法
    • US08321961B2
    • 2012-11-27
    • US12900123
    • 2010-10-07
    • Guy CohenMark C. ReuterBrent A. WacaserMaha M. Khayyat
    • Guy CohenMark C. ReuterBrent A. WacaserMaha M. Khayyat
    • G01Q60/38B82Y99/00B82Y40/00
    • G01Q70/12G01Q60/38
    • A method of fabricating high resolution atomic force microscopy (AFM) tips including a single semiconductor nanowire grown at an apex of a semiconductor pyramid of each AFM tip is provided. The semiconductor nanowire that is grown has a controllable diameter and a high aspect ratio, without significant tapering from the tip of the semiconductor nanowire to its base. The method includes providing an AFM probe including a semiconductor cantilever having a semiconductor pyramid extending upward from a surface of said semiconductor cantilever. The semiconductor pyramid has an apex. A patterned oxide layer is formed on the AFM probe. The patterned oxide layer has an opening that exposes the apex of the semiconductor pyramid. A single semiconductor nanowire is grown on the exposed apex of the semiconductor pyramid utilizing a non-oxidized Al seed material as a catalyst for nanowire growth.
    • 提供了一种制造高分辨率原子力显微镜(AFM)尖端的方法,其包括在每个AFM尖端的半导体金字塔的顶点处生长的单个半导体纳米线。 生长的半导体纳米线具有可控直径和高纵横比,而没有从半导体纳米线的尖端到其基底的显着锥形化。 该方法包括提供包括半导体悬臂的AFM探针,该半导体悬臂具有从所述半导体悬臂的表面向上延伸的半导体金字塔。 半导体金字塔有顶点。 在AFM探针上形成图案化的氧化物层。 图案化氧化物层具有暴露半导体金字塔的顶点的开口。 使用未氧化的Al种子材料作为纳米线生长的催化剂,在半导体金字塔的暴露的顶点上生长单个半导体纳米线。