Grease protecting apparatus for heat sink
US7365983B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 3, 2005 |
| Grant date | Apr 29, 2008 |
| Priority date | — |
| Expiry date | May 25, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A grease protecting apparatus (10) includes a heat sink (12) defining a plurality of receiving cavities (124) therein, a layer of grease (16) spread on a surface (122) of the heat sink, and a grease cover (14) attached to the surface of the heat sink for protecting the grease from contamination. The cover includes a main body (142) defining a protecting space (143) therein for covering the grease, two wings (144) extending from two opposite sides of the main body, and a plurality of projections (148) extending from the wings for being snapped in the receiving cavities of the heat sink. The projection has a trapezium-shaped cross section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.