Patent ID: 8857502

Claim:
A vapor chamber configured to conduct heat generated by a heat-generating element and including: a bottom plate, one side of the bottom plate having at least one heated protrusion brought into thermal contact with the heat-generating element, the other side thereof being formed with an accommodating trough corresponding to the heated protrusion and a first flat surface surrounding the accommodating trough, wherein a flange is formed on a periphery of the first flat surface; a first wick structure provided in the accommodating trough, the first wick structure is shaped as a plate to be flatly disposed on a bottom surface of the accommodating trough; a second wick structure disposed on the first flat surface of the bottom plate, having an opening corresponding to the accommodating trough, a plurality of wick pieces arranged at intervals surrounding the opening, a guiding section extending from a distal end of each wick piece adjacent to the opening bent toward the first wick structure to dispose on a wall surface of the accommodating trough, and an of airflow channel in communication with the opening formed between any two adjacent wick pieces; a cover plate tightly covering the bottom plate, having a second flat surface facing to the first flat surface and the accommodating trough, and the flange is configured to allow the wick pieces to be flatly sandwiched between the first flat surface and the second flat surface; a plurality of supporting posts located in the accommodating trough and sandwiched between the cover plate and the first wick structure; and a working fluid filled between the cover plate and the bottom plate.