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公开(公告)号:US20100099266A1
公开(公告)日:2010-04-22
申请号:US12563526
申请日:2009-09-21
申请人: Manfred Oswald , Jivko Dinev , Jan Rupf , Markus Meye , Francesco Maletta , Uwe Leucke , Ron Tilger , Farid Abooameri , Alexander Matyushkin , Denis Koosau , Xiaoping Zhou , Thorsten Lehmann , Declan Scanlan
发明人: Manfred Oswald , Jivko Dinev , Jan Rupf , Markus Meye , Francesco Maletta , Uwe Leucke , Ron Tilger , Farid Abooameri , Alexander Matyushkin , Denis Koosau , Xiaoping Zhou , Thorsten Lehmann , Declan Scanlan
IPC分类号: H01L21/3065 , C23F1/08
CPC分类号: H01J37/32045 , H01J37/32009 , H01J2237/334
摘要: Embodiments of the invention provide a method and apparatus that enables plasma etching of high aspect ratio features. In one embodiment, a method for etching is provided that includes providing a substrate having a patterned mask disposed on a silicon layer in an etch reactor, providing a gas mixture of the reactor, maintaining a plasma formed from the gas mixture, wherein bias power and RF power provided the reactor are pulsed, and etching the silicon layer in the presence of the plasma.
摘要翻译: 本发明的实施例提供一种能够等离子体蚀刻高纵横比特征的方法和装置。 在一个实施例中,提供了一种用于蚀刻的方法,其包括提供具有设置在蚀刻反应器中的硅层上的图案化掩模的衬底,提供反应器的气体混合物,保持由气体混合物形成的等离子体,其中偏置功率和 RF电源提供反应器是脉冲的,并且在存在等离子体的情况下蚀刻硅层。