申请人:Nissan Chemical Industries, Ltd.
公开号:US08815494B2
公开(公告)日:2014-08-26
There is provided a method of making a semiconductor device utilizing a resist underlayer film forming composition comprising a silane compound containing an anion group, wherein the silane compound containing an anion group is a hydrolyzable organosilane in which an organic group containing an anion group is bonded to a silicon atom and the anion group forms a salt structure, a hydrolysis product thereof, or a hydrolysis-condensation product thereof. The anion group may be a carboxylic acid anion, a phenolate anion, a sulfonic acid anion, or a phosphonic acid anion. The hydrolyzable organosilane may be a compound of Formula (1): R1aR2bSi(R3)4−(a+b) (1).
提供了一种制造半导体器件的方法,利用含有阴离子基团的硅烷化合物组成的抗蚀底层膜形成组合物,其中含有阴离子基团的硅烷化合物是一种可水解的有机硅烷,其中含有阴离子基团的有机基团与硅原子键合,并形成盐结构,其水解产物或水解缩合产物。阴离子基团可以是羧酸阴离子、苯酚酸盐阴离子、磺酸盐阴离子或膦酸盐阴离子。可水解的有机硅烷可以是式(1)的化合物:R1aR2bSi(R3)4−(a+b)(1)。