发明申请
- 专利标题: Hybrid capacitor, circuit, and system
- 专利标题(中): 混合电容,电路和系统
-
申请号: US10155628申请日: 2002-05-24
-
公开(公告)号: US20020134581A1公开(公告)日: 2002-09-26
- 发明人: David G. Figueroa , Yuan-Liang Li , Huong T. Do
- 申请人: Intel Corporation
- 申请人地址: null
- 专利权人: Intel Corporation
- 当前专利权人: Intel Corporation
- 当前专利权人地址: null
- 主分类号: H05K001/16
- IPC分类号: H05K001/16 ; H01G004/38 ; H01L029/00
摘要:
A hybrid capacitor associated with an integrated circuit package provides multiple levels of excess, off-chip capacitance to die loads. The hybrid capacitor includes a low inductance, parallel plate capacitor embedded within the package, and electrically connected to a second source of off-chip capacitance. The parallel plate capacitor is disposed underneath a die, and includes a top conductive layer, a bottom conductive layer, and a thin dielectric layer that electrically isolates the top and bottom layers. The second source of off-chip capacitance is a set of self-aligned via capacitors, and/or one or more discrete capacitors, and/or an additional parallel plate capacitor. Each of the self-aligned via capacitors is embedded within the package, and has an inner conductor and an outer conductor. The inner conductor is electrically connected to either the top or bottom conductive layer, and the outer conductor is electrically connected to the other conductive layer. The discrete capacitors are electrically connected to contacts from the conductive layers to the surface of the package. During operation, one of the conductive layers of the low inductance parallel plate capacitor provides a ground plane, while the other conductive layer provides a power plane.
公开/授权文献
- US06920051B2 Hybrid capacitor, circuit, and system 公开/授权日:2005-07-19
信息查询