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18 May 2006 Development of two-dimensional scanning probe arrays for dip-pen nanolithography (DPN)
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In this paper, we report the development of two-dimensional scanning probe arrays to achieve high-throughput DPN writing in a parallel mode. A new "mold-and-transfer" micromachining process has been developed, which is capable of making large scanning probe arrays with high yield and at low cost. Up to date, two-dimensional passive probe arrays with 1000 metal probes and 1000,000 polymer probes have been successfully developed. Prototypes of two-dimensional active probe arrays have also been successfully fabricated and tested, which consists of 49 scanning probe individually controlled by a thermal bimorph micro actuator integrated on each probe. To ensure proper contact status of each probe on the sample surface, a new electrical probe-substrate contact sensing method has also been developed for two-dimensional DPN probe arrays to realize robust DPN writing. As such, 2D DPN writing has been successfully demonstrated for the first time.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jun Zou, Xuefeng Wang, David Bullen, Chang Liu, and Chad Mirkin "Development of two-dimensional scanning probe arrays for dip-pen nanolithography (DPN)", Proc. SPIE 6223, Micro (MEMS) and Nanotechnologies for Space Applications, 62230N (18 May 2006);


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