Integrated circuit chip with seal ring structure
US8242586B2 · kind B2 · utility
10Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2009 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Dec 2, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D89/00
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
An integrated circuit chip includes an analog and/or RF circuit block and a seal ring structure surrounding the analog and/or RF circuit block. The seal ring structure comprises a continuous outer seal ring and an inner seal ring, wherein the inner seal ring comprises a gap that is situated in front of the analog and/or RF circuit block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.