Method for forming a shielding structure for decoupling signal traces in a semiconductor
US5135889A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 9, 1991 |
| Grant date | Aug 4, 1992 |
| Priority date | — |
| Expiry date | Dec 9, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S438/901
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A method for forming a semiconductor structure including parallel spaced conducting traces each physically separated by a grounding trace. The grounding traces are located in between the conducting traces to provide a shielding structure to diminish capacitive coupling between the conducting traces. At the same time, each conducting traces is capacitively coupled to each adjacent pair of grounding traces and the grounding traces are connected to a ground such as a grounded substrate. The grounding traces are formed on a different layer of the semiconductor structure from the conducting traces such that a layout area of the conducting traces is not affected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.