Patent ID: 8505183

Claim:
A method for sealing edges of a vapor chamber, including steps of: (a) providing a first cover and a second cover, the first cover having its periphery bent to form a first folded edge, the second cover having its periphery bent to form a second folded edge; (b) providing a supporting structure and a wick structure between the first cover and the second cover; (c) covering the second cover on the first cover with the second folded edge being superposed on the first folded edge; (d) bending the first folded edge to cover on the second folded edge; and (e) providing a pressing die to press the first folded edge, thereby tightly connecting the first folded edge to the second folded edge, wherein one side of the second folded edge is provided with a recess, the first folded edge is provided with a protrusion to correspond to the recess of the second folded edge after the pressing die is used to press the first folded edge in the step (e), whereby the first folded edge is tightly engaged with the second folded edge.