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    • 4. 发明申请
    • INTEGRATED CIRCUIT DEVICES HAVING AIR-GAP SPACERS AND METHODS OF MANUFACTURING THE SAME
    • 具有空气隙空间的集成电路装置及其制造方法
    • US20150214220A1
    • 2015-07-30
    • US14165721
    • 2014-01-28
    • KANG-ILL SEOJIN-WOOK LEE
    • KANG-ILL SEOJIN-WOOK LEE
    • H01L27/088H01L23/532H01L23/528
    • H01L29/7851H01L21/823468H01L23/485H01L27/088H01L29/4983H01L29/518H01L2924/0002H01L2924/00
    • Integrated circuit devices having a cavity and methods of manufacturing the integrated circuit devices are provided. The integrated circuit devices may include a pair of spacers, which define a recess. The integrated circuit device may also include a lower conductive pattern in the recess and an upper conductive pattern on the lower conductive pattern. The upper conductive pattern may have an etch selectivity with respect to the lower conductive pattern and may expose an upper surface of the lower conductive pattern adjacent a sidewall of the upper conductive pattern. An inner sidewall of one of the pair of spacers, the upper surface of the lower conductive pattern and the sidewall of the upper conductive pattern may define a space and a capping pattern may be formed on the upper conductive pattern to seal a top portion of the space, such that a cavity is disposed under the capping pattern.
    • 提供具有空腔的集成电路器件和制造集成电路器件的方法。 集成电路器件可以包括限定凹部的一对间隔件。 集成电路器件还可以包括凹陷中的下导电图案和下导电图案上的上导电图案。 上导电图案可以具有相对于下导电图案的蚀刻选择性,并且可以暴露邻近上导电图案的侧壁的下导电图案的上表面。 一对间隔物中的一个的内侧壁,下导电图案的上表面和上导电图案的侧壁可以限定空间,并且可以在上导电图案上形成封盖图案,以密封上导电图案的顶部 空间,使得空腔设置在封盖图案下方。