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首页> 外文期刊>Journal of Materials Research >Two-and three-dimensional arrays of magnetic microspheres
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Two-and three-dimensional arrays of magnetic microspheres

机译：磁性微球的二维和三维阵列

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摘要

A novel fabrication approach for two- and three-dimensional arrays of magnetic microspheres is presented in this paper. The magnetic microsphere is made from 47 pm size Al2O3 spheres onto which a 2-3 mu m thick nickel layer is coated through electroless plating. After proper anneal, the outer nickel layer is converted to exhibit a crystalline structure. As an example for utilizing such magnetic microspheres, a two-dimensional, anisotropically conductive matrix is made by transferring the magnetic microsphere array from a template to a transparent adhesive tape using a magnetic attractive force. In addition, a three-dimensional array has also successfully been constructed on a metal plate. The two-dimensional conductor array may be useful for high-density circuit packaging applications in the semiconductor industry, and the three-dimensional array may open up a possibility for constructing three-dimensional photonic crystals.
机译：本文提出了一种新颖的磁性微球二维和三维阵列制造方法。磁性微球是由47 pm尺寸的Al2O3球制成的，在其上通过化学镀覆了2-3微米厚的镍层。经过适当的退火处理后，镍外层被转化为晶体结构。作为利用这种磁性微球的一个例子，通过利用磁性吸引力将磁性微球阵列从模板转移到透明胶带上而制成二维各向异性导电基质。另外，还成功地在金属板上构造了三维阵列。二维导体阵列可以用于半导体工业中的高密度电路封装应用，并且三维阵列可以为构造三维光子晶体开辟可能性。

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