Semiconductor device, and thin film capacitor
    91.
    发明授权
    Semiconductor device, and thin film capacitor 有权
    半导体器件和薄膜电容器

    公开(公告)号:US06524905B2

    公开(公告)日:2003-02-25

    申请号:US09903316

    申请日:2001-07-11

    IPC分类号: H01L218242

    摘要: A semiconductor device provided with a thin film capacitor having a small equivalent series inductance is provided, which can be operated at a high frequency range and contributes to size reduction of the electronic devices. The semiconductor device comprises a device formed on a silicon substrate 1a, interlayer insulating films 3a, 3b, and 3c, wiring blocks including a power source wire block and a ground wire block, and a thin film capacitor 14 formed on an uppermost insulating layer. The thin film capacitor 14 comprises a lower electrode 6 connected to the ground wire block 4e through a contact 5d, an upper electrode 8 which is connected to the power source wire block 4d through a contact 5d, and which extends above the lower electrode 6, and a dielectric layer 7 which is inserted between the lower and the upper electrodes.

    摘要翻译: 提供了具有小等效串联电感的薄膜电容器的半导体器件,其可以在高频范围下操作并且有助于电子器件的尺寸减小。 半导体器件包括形成在硅衬底1a,层间绝缘膜3a,3b和3c上的器件,包括电源线块和接地线块的布线块,以及形成在最上层绝缘层上的薄膜电容器14。 薄膜电容器14包括通过接触件5d连接到接地线块4e的下电极6,通过接触件5d连接到电源线块4d并且在下电极6上方延伸的上电极8, 以及插入在下电极和上电极之间的电介质层7。

    Method of manufacturing thin film capacitor
    92.
    发明授权
    Method of manufacturing thin film capacitor 失效
    制造薄膜电容器的方法

    公开(公告)号:US06225133B1

    公开(公告)日:2001-05-01

    申请号:US08299407

    申请日:1994-09-01

    IPC分类号: H01L2100

    摘要: After an interlayer insulating film is deposited on a silicon substrate, a contact hole or contact holes is or are formed at a desired position(s) and, then, after a polysilicon layer is deposited and the contact hole(s) is (are) embedded, the surface of the polysilicon layer is flattened by chemical and mechanical polishing using at least one of piperazine or colloidal silica slurry, and a barrier metal film 4 and a highly dielectric thin film 5 are deposited and processed to a desired size. Finally, an Al/TiN film 6 adapted for the upper electrode is formed. The leak current of the thin film capacitor which is obtained according to this method can be greatly reduced.

    摘要翻译: 在硅衬底上沉积层间绝缘膜之后,在期望的位置形成或形成接触孔或接触孔,然后在沉积多晶硅层并且接触孔之后, 通过使用哌嗪或胶体二氧化硅浆料中的至少一种的化学和机械抛光使多晶硅层的表面平坦化,并且将阻挡金属膜4和高电介质薄膜5沉积并加工成所需的尺寸。 最后,形成适用于上电极的Al / TiN膜6。 根据该方法获得的薄膜电容器的漏电流可以大大降低。

    Thin film capacitor
    95.
    发明授权
    Thin film capacitor 有权
    薄膜电容器

    公开(公告)号:US06292352B1

    公开(公告)日:2001-09-18

    申请号:US09583871

    申请日:2000-05-31

    IPC分类号: H01G406

    CPC分类号: H01L28/60 H01L21/76895

    摘要: There is provided a thin film capacitor including (a) a semiconductor substrate, (b) an interlayer insulating film formed on the semiconductor substrate, (c) a contact formed throughout the interlayer insulating film such that the contact has an upper surface upwardly projecting, (d) a lower electrode formed on the interlayer insulating film such that the lower electrode covers the upper surface of the contact therewith, (e) a capacitor insulating film covering the lower electrode and the interlayer insulating film therewith, and (f) an upper electrode formed on the capacitor insulating film. The thin film capacitor prevents peeling between the contact and the lower electrode even in an annealing step.

    摘要翻译: 提供一种薄膜电容器,其包括:(a)半导体衬底,(b)形成在半导体衬底上的层间绝缘膜,(c)形成在整个层间绝缘膜上的触点,使得触点具有向上突出的上表面, (d)形成在层间绝缘膜上的下电极,使得下电极覆盖其接触的上表面,(e)覆盖下电极和层间绝缘膜的电容器绝缘膜,以及(f) 电极形成在电容绝缘膜上。 即使在退火步骤中,薄膜电容器也防止接触部和下电极之间的剥离。

    Semiconductor device having a thin film capacitor and a resistance
measuring element
    96.
    发明授权
    Semiconductor device having a thin film capacitor and a resistance measuring element 失效
    具有薄膜电容器和电阻测量元件的半导体器件

    公开(公告)号:US5847423A

    公开(公告)日:1998-12-08

    申请号:US883334

    申请日:1997-06-26

    摘要: A semiconductor device having thin film capacitors and containing resistance measuring elementsis disclosed. The thin film capacitor comprises a bottom electrode, a high permittivity dielectric, and a top electrode stacked on an interlayer insulation film and at least one of a plurality of contact formed in electrical contact with the substrate at the desired position of an interlayer insulation film formed on a semiconductor substrate. The bottom electrode comprises at least two layers. A resistance measuring element consists of the same materials as those of the thin film capacitor and has the same size as that of the thin film capacitor except that the resistance measuring element comprises a first electrode, the dielectric film of high permittivity, and a second electrode stacked on the interlayer insulation film and at least one of a plurality of contacts other than the above-mentioned contact for the thin film capacitor, and the topmost layer of the first electrode and the second electrode are in contact with each other through the contact provided at a portion of the dielectric film. The resistance value of the bottom electrode of the thin film capacitor is measured using electrical path through the substrate.

    摘要翻译: 公开了具有薄膜电容器并且包含电阻测量元件的半导体器件。 薄膜电容器包括底电极,高介电常数电介质和堆叠在层间绝缘膜上的顶电极以及在形成的层间绝缘膜的期望位置处形成与基板电接触的多个接触中的至少一个 在半导体衬底上。 底部电极包括至少两层。 电阻测量元件由与薄膜电容器相同的材料组成,并且具有与薄膜电容器相同的尺寸,除了电阻测量元件包括第一电极,高介电常数的电介质膜和第二电极 堆叠在层间绝缘膜上,并且除了上述用于薄膜电容器的触点之外的多个触点中的至少一个触点以及第一电极和第二电极的最上层通过所提供的触点彼此接触 在电介质膜的一部分。 薄膜电容器的底部电极的电阻值通过基板的电气路径进行测量。

    Thin film capacitor with small leakage current and method for
fabricating the same
    97.
    发明授权
    Thin film capacitor with small leakage current and method for fabricating the same 失效
    具有小漏电流的薄膜电容器及其制造方法

    公开(公告)号:US5670408A

    公开(公告)日:1997-09-23

    申请号:US510488

    申请日:1995-08-02

    摘要: A thin film capacitor uses a dielectric film of high dielectric constant. A lower electrode is disposed on a contact, an interlayer insulating film is in contact with the lower electrode, a dielectric film of high dielectric constant covers the lower electrode, and an upper electrode covers the dielectric film. Thicknesses of the dielectric film at lower end portions of the lower electrode are thin but thick enough to make a leakage current value lower than a tolerable value thereof. At locations immediately below the lower electrode, the interlayer insulating film has portions whose thicknesses are larger than thicknesses of other portions thereof. The interlayer insulating film is such that, immediately below the regions of the dielectric film which are located at lower end portions of sides of the lower electrode and at which thicknesses of the dielectric film are very thin, the thicknesses of the interlayer insulating film are made larger than the rest thereof, or the dielectric film is such that lower end portions thereof are thin but thick enough to make a leakage current value lower than a tolerable value thereof. In this way, the occurrence of leakage current at the lower end portions of the lower electrode is suppressed.

    摘要翻译: 薄膜电容器使用高介电常数的电介质膜。 下电极设置在触点上,层间绝缘膜与下电极接触,介电常数高的电介质膜覆盖下电极,上电极覆盖电介质膜。 下部电极的下端部的电介质膜的厚度薄,但是足够厚以使泄漏电流值低于其容许值。 在下电极正下方的位置处,层间绝缘膜具有厚度大于其它部分的厚度的部分。 层间绝缘膜在电介质膜的位于下电极侧的下端部的区域的正下方,电介质膜的厚度非常薄的情况下,形成层间绝缘膜的厚度 大于其余部分,或者电介质膜的下端部分较薄,但足够厚以使漏电流值低于容许值。 以这种方式,能够抑制下部电极的下端部的漏电流的发生。

    Highly-integrated thin film capacitor with high dielectric constant layer
    100.
    发明授权
    Highly-integrated thin film capacitor with high dielectric constant layer 失效
    具有高介电常数层的高度集成的薄膜电容器

    公开(公告)号:US5883781A

    公开(公告)日:1999-03-16

    申请号:US635872

    申请日:1996-04-18

    CPC分类号: H01L27/10852 H01L28/55

    摘要: In a capacitor including a silicon substrate and an insulating layer formed on the silicon substrate having a contact hole, a lower electrode layer including a silicon diffusion preventing conductive layer and an oxidation resistance conductive layer, an upper electrode layer, and a high dielectric constant layer therebetween, the silicon diffusion preventing layer is located on or within the contact hole and is isolated from the high dielectric constant layer. The high dielectric constant layer is formed on an upper surface and a side surface of the oxidation resistance conductive layer.

    摘要翻译: 在包括硅衬底和形成在具有接触孔的硅衬底上的绝缘层的电容器中,包括防硅扩散导电层和抗氧化电阻导电层的下电极层,上电极层和高介电常数层 其间,硅扩散防止层位于接触孔的上方或内部,并与高介电常数层隔离。 高介电常数层形成在抗氧化导电层的上表面和侧表面上。