Heat dissipation device
US7532472B2 · kind B2 · utility
25Cited by
38References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 28, 2006 |
| Grant date | May 12, 2009 |
| Priority date | — |
| Expiry date | Nov 28, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A heat dissipation device (100) comprises a heat sink (10) and a fan (40) mounted on the heat sink (10). The heat sink (10) comprises a central core (12), a plurality of branches (122) radially extending outwardly from a periphery of the core (12) and a plurality of fins (14) extending from of the core (12) and the branches (122). The fan (40) comprises a plurality of blades (404). The branches (122) and the fins (14) extend and are oriented in a direction opposite to a rotation direction of the blades (404) of the fan (40).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.