首页> 外文会议>International Symposium on Plasma Processing XIII, May 14-19, 2000, Toronto, Canada >ETCHING OF VIAS AND TRENCHES THROUGH LOW k DIELECTRICS WITH FEATURE SIZES DOWN TO 0.1 μm USING M0RI~(TM) HIGH DENSITY PLASMAS
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ETCHING OF VIAS AND TRENCHES THROUGH LOW k DIELECTRICS WITH FEATURE SIZES DOWN TO 0.1 μm USING M0RI~(TM) HIGH DENSITY PLASMAS

机译:使用M0RI〜(TM)高密度等离子体通过特征尺寸低至0.1μm的低k介电层蚀刻通孔和​​沟槽

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This paper demonstrates that a MORI~(TM) high density plasma etch system is well suited to the etching of low k dielectrics deposited either by spin-on, CVD or PECVD methods. The inherent flexibility of the MORI~(TM) approach allows the etching of each layer of the dielectric stack to be separately optimised. Results are presented for a range of low k materials including Flowfill~(TM), HOSP~(TM) and CORAL~(TM) at feature sizes down to ~0.1 μm and k values down to ~2.4. The conditions for the photoresist and polymer strip are shown to have no significant affect on either the k value or the etched profile. According to the 1999 ITRS Roadmap these types of low k structures are planned for production around 2004.
机译:本文证明了MORI〜(TM)高密度等离子体刻蚀系统非常适合刻蚀通过旋涂,CVD或PECVD方法沉积的低k电介质。 MORITM方法的固有灵活性允许分别优化电介质堆叠的每一层的蚀刻。给出了一系列低k材料的结果,这些特征包括Flowfill〜(TM),HOSP〜(TM)和CORAL〜(TM),特征尺寸低至〜0.1μm,k值低至〜2.4。示出了光致抗蚀剂和聚合物条的条件对k值或蚀刻轮廓都没有显着影响。根据1999年ITRS路线图,计划在2004年左右生产这些类型的低k结构。

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