Multilayer chip capacitor and circuit board apparatus having the capacitor
US7595973B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2008 |
| Grant date | Sep 29, 2009 |
| Priority date | — |
| Expiry date | Oct 31, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There is provided a multilayer chip capacitor including: a capacitor body including first and second capacitor units disposed in a laminated direction; first to fourth outer electrodes formed on side surfaces of the capacitor body, respectively; and at least one connecting conductor line connecting the first and third outer electrodes having identical polarity to each other and the second and fourth outer electrodes having identical polarity to each other, wherein the first capacitor body includes first and second inner electrodes, the second capacitor unit includes a plurality of third and fourth inner electrodes, the first to fourth outer electrodes are connected to the first to fourth inner electrodes, respectively, and an equivalent series resistance (R1) of the first capacitor unit and a combined equivalent series resistance (R2′) of the second capacitor and the connecting conductor line satisfy the Equation 0.7(R1)≦R2′≦1.3(R1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.