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SILICON MICROSTRUCTURES: 3-D MICROMACHINING WITH KOH SOLUTION

机译:硅微结构:用KOH解决方案进行3D微细化

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摘要

The micromachining of novel three-dimensional (3-D) structures for electrical neural signal registration is presented in this work. Looking for a well controlled etching mechanism, we have designed a set of layout with arrangements to identify the main crystalline planes which lead to the development of smooth walls and well-defined 3-D microstructures. The main layout was traced orthogonal to the primary flat of (0 0 1) silicon wafers. This arrangement includes the following: 15 structures aligned to [1 0 0] direction, the surface angle ranges from 13° to 20° with 0.5° step, and several structures for monitoring the etching mechanism. Finally, the resulting 3-D microstructures are presented and the proposed etching mechanism is explained in terms of the fast-etching planes. This experimental technique is suitable to develop 3-D microstructures for integrated optics applications.
机译:在这项工作中提出了用于电神经信号配准的新型三维(3-D)结构的微加工。为了寻找一种可控的蚀刻机制,我们设计了一套布局,以识别主要的晶面,从而形成光滑的壁和轮廓分明的3-D微结构。主要布局与(0 0 1)硅晶片的主平面正交。该布置包括以下内容:15个与[1 0 0]方向对齐的结构,表面角度范围为13°至20°(步距为0.5°),以及几个用于监视蚀刻机制的结构。最后,介绍了所得的3-D微结构,并根据快速蚀刻平面说明了建议的蚀刻机理。这种实验技术适合于开发用于集成光学应用的3-D微结构。

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