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    • 2. 发明授权
    • Semiconductor device having fuse pattern and methods of fabricating the same
    • 具有熔丝图案的半导体器件及其制造方法
    • US07556989B2
    • 2009-07-07
    • US11387158
    • 2006-03-22
    • Tai-Heui ChoKun-Gu Lee
    • Tai-Heui ChoKun-Gu Lee
    • H01L21/82H01L21/311
    • H01L23/5258H01L2924/0002H01L2924/00
    • A semiconductor device includes a semiconductor substrate having a fuse region and an interconnection region, a first insulating layer formed in the fuse region and the interconnection region, a fuse pattern formed on the first insulating layer in the fuse region, the fuse pattern including a first conductive pattern and a first capping pattern, an interconnection pattern formed on the first insulating layer in the interconnection region, including a second conductive pattern and a second capping pattern, and having a thickness greater than the thickness of the fuse pattern, and a second insulating layer formed on the first insulating layer and covering the fuse pattern.
    • 半导体器件包括具有熔丝区域和互连区域的半导体衬底,形成在熔丝区域和互连区域中的第一绝缘层,形成在熔丝区域中的第一绝缘层上的熔丝图案,熔丝图案包括第一 导电图案和第一封盖图案,形成在互连区域中的第一绝缘层上的互连图案,包括第二导电图案和第二封盖图案,并且具有大于熔丝图案的厚度的厚度,以及第二绝缘体 层,形成在第一绝缘层上并覆盖熔丝图案。
    • 10. 发明授权
    • Semiconductor device having multilevel interconnections and method of manufacturing the same
    • 具有多层互连的半导体器件及其制造方法
    • US06806574B2
    • 2004-10-19
    • US10062708
    • 2002-01-31
    • Tai-heui Cho
    • Tai-heui Cho
    • H01L2348
    • H01L21/76804H01L21/76838H01L21/7684H01L21/76852H01L21/76885H01L23/5226H01L23/53223H01L2924/0002H01L2924/00
    • In a semiconductor device capable of reducing an electromigration occurring in multilevel interconnections of a high-speed integrated circuit and a method of manufacturing the same, a contact stud is composed of a first portion penetrating an intermetal insulating film and a second portion protruding above the intermetal insulating film. The second portion has vertical sidewalls that are extended vertically with respect to the main surface of the semiconductor substrate and an upper surface that is extended parallel to the main surface. The vertical sidewalls and upper surface are entirely covered with the second metal interconnection layer. Also, in the method of fabricating a semiconductor device including multilevel interconnections, a hard mask pattern is formed on an intermetal insulating film. Then, a via hole is formed to penetrate the intermetal insulating film by etching a portion of the exposed intermetal insulating film. Next, a contact stud composed of a first portion filling the via hole and a second portion, which fills the upper hole and having vertical sidewalls that are extended vertically with respect to the main surface of the semiconductor substrate and an upper surface that is extended parallel to the main surface, is formed. Thereafter, the hard mask pattern is removed and then, a second metal interconnection layer covering the vertical sidewalls and upper surface of the second portion of the contact stud is formed.
    • 在能够减少在高速集成电路的多电平互连中发生的电迁移的半导体器件及其制造方法中,接触柱由穿过金属间绝缘膜的第一部分和突出在金属间之上的第二部分构成 绝缘膜。 第二部分具有相对于半导体衬底的主表面垂直延伸的垂直侧壁和平行于主表面延伸的上表面。 垂直侧壁和上表面完全被第二金属互连层覆盖。 此外,在制造包括多层互连的半导体器件的方法中,在金属间绝缘膜上形成硬掩模图案。 然后,通过蚀刻暴露的金属间绝缘膜的一部分,形成通孔以穿透金属间绝缘膜。 接下来,由填充通孔的第一部分和第二部分组成的接触柱,其填充上部孔并具有相对于半导体基板的主表面垂直延伸的垂直侧壁和平行延伸的上表面 到主表面,形成。 此后,去除硬掩模图案,然后形成覆盖接触柱的第二部分的垂直侧壁和上表面的第二金属互连层。