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Rapid turnaround scanning probe nanolithography

机译:快速周转扫描探针纳米光刻

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摘要

Scanning probe nanolithography (SPL) has demonstrated its potential in a variety of applications like 3D nanopatterning, 'direct development' lithography, dip-pen deposition or patterning of self-assembled monolayers. One of the main issues holding back SPL has been the limited throughput for patterning and imaging. Here we present a complete lithography and metrology system based on thermomechanical writing into organic resists. Metrology is carried out using a thermoelectric topography sensing method. More specifically, we demonstrate a system with a patterning pixel clock of 500kHz, 20mms ~(- 1) linear scan speed, a positioning accuracy of 10nm, a read-back frequency bandwidth of 100 000line-pairss~(- 1) and a turnaround time from patterning to qualifying metrology of 1min. Thus, we demonstrate a nanolithography system capable of implementing rapid turnaround.
机译:扫描探针纳米光刻(SPL)已证明其在各种应用中的潜力,例如3D纳米图案化,“直接显影”光刻,浸笔沉积或自组装单层图案化。阻碍SPL的主要问题之一是图案和成像的生产量有限。在这里,我们介绍了一个基于热机械写入有机抗蚀剂的完整光刻和计量系统。使用热电地形检测方法进行计量。更具体地说,我们演示了一个系统,该系统具有500kHz的图案化像素时钟,20mms〜(-1)的线性扫描速度,10nm的定位精度,100 000行对〜(-1)的回读频率带宽和周转从花样到合格计量的时间为1分钟。因此,我们演示了能够实现快速周转的纳米光刻系统。

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