会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 7. 发明授权
    • Method of fabricating an oxide collar for a trench capacitor
    • 制造用于沟槽电容器的氧化物环的方法
    • US07087485B2
    • 2006-08-08
    • US10765052
    • 2004-01-28
    • Harald SeidlMartin GutscheThomas Hecht
    • Harald SeidlMartin GutscheThomas Hecht
    • H01L21/8242
    • H01L21/3141H01L21/31116H01L27/1087
    • A method for fabricating patterned ceramic layers on areas of a relief structure, wherein the layers may be arranged essentially perpendicular to a top side of a substrate. In exemplary embodiments, a patterned ceramic layer forms an oxide collar for a trench capacitor. The oxide collar is produced by a trench firstly being filled with a resist in its lower section, and an oxide layer subsequently being produced on the uncovered areas of the substrate with the aid of a low temperature ALD method. By means of anisotropic etching, only those portions of the ceramic layer which are arranged at the perpendicular walls of the trench remain. The resist filling may subsequently be removed, for example, by means of an oxygen plasma.
    • 一种用于在浮雕结构的区域上制造图案化陶瓷层的方法,其中所述层可以布置成基本上垂直于衬底的顶侧。 在示例性实施例中,图案化陶瓷层形成用于沟槽电容器的氧化物环。 氧化物套环由首先在其下部填充有抗蚀剂的沟槽产生,随后在低温ALD方法的帮助下在衬底的未覆盖区域上产生氧化物层。 通过各向异性蚀刻,仅保留布置在沟槽的垂直壁处的陶瓷层的那些部分。 可以随后例如通过氧等离子体去除抗蚀剂填充。