| 摘要 |
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.
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