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公开(公告)号:EP2515327A1
公开(公告)日:2012-10-24
申请号:EP11305473.8
申请日:2011-04-20
发明人: Caro, Vincent , Rodilosso, Davide
IPC分类号: H01L21/311
CPC分类号: H01G7/06 , H01L21/31111 , H01L28/55
摘要: The invention concerns a method for etching a PVD deposited barium strontium titanate (BST) layer, wherein a non-ionic surfactant at a concentration between 0.1 and 1 percent is added to an acid etching solution.
摘要翻译: 本发明涉及一种用于蚀刻PVD沉积的钛酸钡锶(BST)层的方法,其中将0.1%至1%浓度的非离子表面活性剂加入到酸蚀刻溶液中。