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    • 12. 发明公开
    • Semiconductor device and manufacturing method thereof
    • 半导体装置及其制造方法
    • EP1596432A1
    • 2005-11-16
    • EP05009851.6
    • 2005-05-04
    • SONY CORPORATION
    • Nagaoka, Kohjiro Sony Corp.
    • H01L21/762
    • H01L21/76227H01L21/76224
    • In order to improve embeddability of an embedded insulating film to a filling portion to have a preferable embedded structure, the present invention provides a semiconductor device having an embedded structure in which an embedded insulating film is embedded in a filling portion formed in or on a substrate. The embedded structure includes an underlying insulating film containing a silicon nitride film formed on an inner wall of the filling portion by a chemical vapor deposition method using material gas containing hexachlorodisilane, and an embedded insulating film formed by filling in the filling portion via the underlying insulating film.
    • 为了提高嵌入绝缘膜对填充部分的嵌入性以具有优选的嵌入结构,本发明提供了一种具有嵌入结构的半导体器件,其中嵌入绝缘膜嵌入在衬底中或衬底上形成的填充部分中 。 嵌入结构包括下面的绝缘膜和嵌入的绝缘膜,该绝缘膜包含通过化学气相沉积方法在填充部分的内壁上形成的氮化硅膜,该绝缘膜通过经由下面的绝缘体填充填充部分而形成 电影。
    • 13. 发明公开
    • A method for forming planarized shallow trench isolation in an integrated circuit and a structure formed thereby
    • 一种用于浅隔离区和由该方法生产的集成电路结构的制备方法。
    • EP0507596A2
    • 1992-10-07
    • EP92302941.7
    • 1992-04-03
    • SGS-THOMSON MICROELECTRONICS, INC.
    • Liou, Fu-TaiChen, Fusen E.
    • H01L21/76
    • H01L21/76227
    • A method for forming isolation structures in an integrated circuit, and the structures so formed, are disclosed. After definition of active regions of the surface is accomplished by provision of masking layers, recesses are etched into the exposed locations, to a depth on the order of the final thickness of the insulating isolation structure. Sidewall spacers of silicon dioxide, or another insulating amorphous material, are disposed along the sidewalls of the recesses, with silicon at the bottom of the recesses exposed. Selective epitaxial growth of silicon then forms a layer of silicon within the recesses, preferably to a thickness on the order of half of the depth of the recess. The epitaxial silicon is thermally oxidized, filling the recesses with thermal silicon dioxide, having a top surface which is substantially coplanar with the active regions of the surface. According to an alternative embodiment, the formation of the sidewall spacers may be done in such a manner that narrower recesses remain filled with the material of the sidewall spacers.
    • 一种用于在集成电路中形成隔离结构的方法,并且这些结构这样形成,是游离缺失盘。 表面的有源区的定义是由规定的掩模层的完成之后,凹部被蚀刻到暴露的位置,至深度绝缘隔离结构的最终厚度的数量级上。 二氧化硅,或其它绝缘无定形材料的侧壁间隔物,在露出的凹部的底面沿所述凹部的侧壁安置,有硅。 硅的选择性外延生长然后形成凹部内的硅的层,优选地为厚度的凹部的深度的一半的量级。 外延硅热氧化,填充热二氧化硅凹部,具有一顶表面的所有其与表面的有源区域基本共面。 。据的替代实施例中,侧壁间隔物的形成可以以这样的方式搜索来完成做窄的凹部保持充满侧壁间隔件的材料。