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A heat dissipation device includes a vapor chamber, a heat dissipating fins assembly, a cover and a fan. The vapor chamber is configured to a bent shape. The heat dissipating fins assembly is adhered to a partial surface of the vapor chamber. The cover is connected to the vapor camber. A flow passag

A heat dissipation device includes a vapor chamber, a heat dissipating fins assembly, a cover and a fan. The vapor chamber is configured to a bent shape. The heat dissipating fins assembly is adhered to a partial surface of the vapor chamber. The cover is connected to the vapor camber. A flow passage is defined between the vapor chamber and the cover. The heat dissipating fins assembly is positioned in the flow passage. The cover defines an opening communicating to the flow passage. The fan is arranged facing to the opening of the cover and other partial surface of the vapor chamber. Therefore, the heat dissipating efficiency can be greatly improved.

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What is claimed is: 1. A heat dissipation device, comprising a vapor chamber, configured to a bent shape; a heat dissipating fins assembly, adhered to a partial surface of the vapor chamber; a cover, connected to the vapor camber, a flow passage defined between the vapor chamber and the cover, the

What is claimed is: 1. A heat dissipation device, comprising a vapor chamber, configured to a bent shape; a heat dissipating fins assembly, adhered to a partial surface of the vapor chamber; a cover, connected to the vapor camber, a flow passage defined between the vapor chamber and the cover, the heat dissipating fins assembly positioned in the flow passage, and the cover defining an opening communicating to the flow passage; and a fan, arranged facing to the opening of the cover and a top surface of the vapor chamber, wherein a hook is formed at each lateral side of the cover, and the two hooks are buckled to the two opposite sides of the vapor chamber. 2. The heat dissipation device as claimed in claim 1, wherein the vapor chamber is made in a strip shape. 3. The heat dissipation device as claimed in claim 1, wherein the vapor chamber comprises a heat absorbing portion and two heat emitting portions deformedly extending from opposite sides of the heat absorbing portion. 4. The heat dissipation device as claimed in claim 3, wherein the heat emitting portion is adhered to the heat dissipating fins assembly. 5. The heat dissipation device as claimed in claim 1, wherein the heat dissipating fins are made by aluminum extrusion. 6. The heat dissipation device as claimed in claim 1, wherein a receiving space is defined in the cover communicating with the flow passage, and the fan is received in the receiving space. 7. The heat dissipation device as claimed in claim 1, wherein the fan comprises a bracket, a plurality of screw holes is defined in the bracket, a plurality of through holes is defined in the cover corresponding to the screw holes, and a screw is fastened through each screw hole and the corresponding through hole. 8. The heat dissipation device as claimed in claim 1, wherein the fan is an axial fan.