Isothermal heat sink with converging, diverging channels
US6253835A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2000 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | Feb 11, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Apparatus for cooling an electronic device, and a resultant fluid-cooled electronic apparatus are provided. In one embodiment, the apparatus includes a heat sink member with a surface for making thermal contact with the electronic device. The heat sink member has a plurality of channels for carrying coolant fluid. The plurality of channels are positioned in a first group and a second group such that coolant flow alternates across the member. At least one channel of the plurality of channels has a fluid flow cross-section that varies over a length thereof to selectively enhance a heat transfer coefficient of the coolant fluid within the channel and thereby produce a more uniform temperature at the surface of the heat sink member when making thermal contact with the electronic device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.