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    • 4. 发明申请
    • INTEGRATED CAPACITOR ARRANGEMENT FOR ULTRAHIGH CAPACITANCE VALUES
    • 用于超高电容值的集成电容器布置
    • WO2007054858A2
    • 2007-05-18
    • PCT/IB2006/054063
    • 2006-11-02
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.ROOZEBOOM, FreddyKLOOTWIJK, Johan, H.KEMMEREN, Antonius, L., A., M.REEFMAN, DerkVERHOEVEN, Johannes, F., C., M.
    • ROOZEBOOM, FreddyKLOOTWIJK, Johan, H.KEMMEREN, Antonius, L., A., M.REEFMAN, DerkVERHOEVEN, Johannes, F., C., M.
    • H01L28/91H01L27/0805H01L27/1087H01L29/945
    • The present invention relates to an electronic device (300) comprising at least one trench capacitor (302) that can also take the form of an inverse structure, a pillar capacitor. An alternating layer sequence (308) of at least two dielectric layers (312, 316) and at least two electrically conductive layers (314, 318) is provided in the trench capacitor or on the pillar capacitor, such that the at least two electrically conductive layers are electrically isolated from each other and from the substrate by respective ones of the at least two dielectric layers. A set of internal contact pads (332, 334, 340) is provided, and each internal contact pad is connected with a respective one of the electrically conductive layers or with the substrate. By providing an individual internal contact pad for each of the electrically conductive layers, a range of switching opportunities is opened up that allows tuning the specific capacitance of the capacitor to a desired value. The electronic device of the invention thus provides a flexible trench-capacitor manufacturing platform for a multitude of combinations of electrically conductive layers with each other, or, when multiple trenches are used, between electrically conductive layers of different trench capacitors. On-chip applications such as a charge-pump circuit or a DC-to-DC voltage converter are claimed that benefit from the ultra-high capacitance density and the high breakdown voltage that can be achieved with the electronic device of the invention.
    • 本发明涉及包括至少一个沟槽电容器(302)的电子器件(300),所述沟槽电容器也可以采取反转结构的形式,即柱电容器。 在沟槽电容器或柱电容器中提供至少两个电介质层(312,316)和至少两个导电层(314,318)的交替层序列(308),使得至少两个导电层 通过所述至少两个电介质层中的相应电介质层将所述层彼此电隔离并且与所述衬底电隔离。 提供一组内部接触垫(332,334,340),并且每个内部接触垫与相应的一个导电层或与衬底连接。 通过为每个导电层提供单独的内部接触垫,打开一定范围的开关机会,允许将电容器的比电容调整到期望值。 因此,本发明的电子设备提供了用于导电层彼此之间的多种组合或者当使用多个沟槽时在不同沟槽电容器的导电层之间的柔性沟槽电容器制造平台。 据称,诸如电荷泵电路或DC-DC电压转换器之类的片上应用受益于可用本发明的电子器件实现的超高电容密度和高击穿电压。 p>
    • 6. 发明申请
    • CAPACITOR STRUCTURE
    • 电容器结构
    • WO98044522A2
    • 1998-10-08
    • PCT/DE1998/000817
    • 1998-03-19
    • H01L29/94H01G4/00
    • H01L29/945
    • The invention relates to a capacitor structure. According to the invention, a plurality of blind holes is provided in a first electrically conductive layer, said blind holes extending from a first main surface of said first electrically conductive layer. The inside walls of the blind holes are provided with a dielectric layer, a second electrically conductive layer being arranged on said dielectric layer. The edge area of the capacitor is covered by an insulating layer and the second electrically conductive layer is provided with a multi-layer contact metallic coating.
    • 其中从所述第一导电层的盲孔的第一主表面上的多个出射在第一导电层设置电容器结构。 盲孔的内壁设置有介电层在其上的第二导电层。 电容器边缘区被覆盖有绝缘层和所述第二导电层上设置有Mehrschichtkontaktmetallisierung。