Semiconductor device
    26.
    发明申请
    Semiconductor device 有权
    半导体器件

    公开(公告)号:US20050001251A1

    公开(公告)日:2005-01-06

    申请号:US10834928

    申请日:2004-04-30

    摘要: A semiconductor device comprising a semiconductor substrate, and a capacitor provided above the semiconductor substrate, and including a bottom electrode, a top electrode and a dielectric film between the bottom and top electrodes, the bottom electrode including a conductive film selected from a noble metal film and a noble metal oxide film, a metal oxide film having a perovskite structure, provided between the dielectric film and the conductive film, expressed by ABO3, and containing first metal element as B-site element, and a metal film provided between the conductive film and the metal oxide film, and containing second metal element which is B-site element of a metal oxide having a perovskite structure, a decrease of Gibbs free energy when the second metal element forms oxide being larger than that when the first metal element forms oxide, a thickness of the metal oxide film being 5 nm or less.

    摘要翻译: 一种半导体器件,包括半导体衬底和设置在半导体衬底之上的电容器,并且在底电极和顶电极之间包括底电极,顶电极和电介质膜,底电极包括选自贵金属膜 和由ABO3表示的电介质膜和导电膜之间具有钙钛矿结构的金属氧化物膜,并且含有作为B位元素的第一金属元素的金属氧化物膜和设置在导电膜之间的金属膜 和金属氧化物膜,并且含有作为具有钙钛矿结构的金属氧化物的B位元素的第二金属元素,当第二金属元素形成氧化物时,吉布斯自由能的降低大于第一金属元素形成氧化物时的吉布斯自由能的降低 ,金属氧化物膜的厚度为5nm以下。

    Semiconductor device and method for manufacturing the same
    29.
    发明申请
    Semiconductor device and method for manufacturing the same 失效
    半导体装置及其制造方法

    公开(公告)号:US20050110062A1

    公开(公告)日:2005-05-26

    申请号:US10954183

    申请日:2004-10-01

    摘要: A semiconductor device comprises a semiconductor substrate including a diffusion area, a capacitor provided above the semiconductor substrate and including a lower electrode, a dielectric film, and an upper electrode, a plug provided between the semiconductor substrate and the capacitor and having a lower end connected to the diffusion area and an upper end connected to the lower electrode, and a dummy plug provided between the semiconductor substrate and the capacitor and having a lower end not connected to the diffusion area and an upper end connected to the lower electrode.

    摘要翻译: 一种半导体器件包括:包括扩散区域的半导体衬底,设置在半导体衬底上方并包括下电极,电介质膜和上电极的电容器,设置在半导体衬底和电容器之间并具有下端连接的插头 扩散区域和连接到下电极的上端,以及设置在半导体衬底和电容器之间并具有未连接到扩散区域的下端和连接到下电极的上端的虚拟插头。

    Semiconductor device and method of manufacturing the same
    30.
    发明授权
    Semiconductor device and method of manufacturing the same 失效
    半导体装置及其制造方法

    公开(公告)号:US07501675B2

    公开(公告)日:2009-03-10

    申请号:US11107890

    申请日:2005-04-18

    IPC分类号: H01L27/108

    摘要: A semiconductor device according to an aspect of the present invention comprises a semiconductor substrate, a ferroelectric capacitor, a protective film and an auxiliary capacitor. The ferroelectric capacitor is provided above the semiconductor substrate and comprises an upper electrode, a lower electrode and a ferroelectric film interposed between the upper and lower electrodes. The protective film is formed, covering the ferroelectric capacitor. The auxiliary capacitor is provided in a circuit section peripheral to the ferroelectric capacitor and uses the protective film as capacitor insulating film.

    摘要翻译: 根据本发明的一个方面的半导体器件包括半导体衬底,铁电电容器,保护膜和辅助电容器。 铁电电容器设置在半导体衬底上方,并且包括插入在上电极和下电极之间的上电极,下电极和铁电体膜。 形成保护膜,覆盖铁电电容器。 辅助电容器设置在铁电电容器外围的电路部分中,并且使用保护膜作为电容器绝缘膜。