Patent ID: 8534348
Filing Date: 2013-09-17
Classification: B23P,F28D,F28F,H01L,Y10T

Abstract:
1. A heat pipe comprising: an upper member having a concave portion on a lower surface; a lower member having a concave portion on an upper surface; one or more intermediate plate members provided between the upper member and the lower member, each intermediate plate member including a plurality of slits, constructing a vapor path extending in a planar direction, communicating with the concave portions of the upper and lower members to form a sealed space defined by the slits and the concave portions, and a refrigerant enclosed in the sealed space; capillary holes formed through a non-slitted portion of each intermediate plate member, the capillary holes serving as a capillary path of flow extending vertically or both vertically and horizontally, communicating with the concave portions of the upper and lower members; and a device mounting section provided on an outer surface of at least one of the upper and lower members, the device mounting section being to be cooled by the heat pipe; wherein the upper member, intermediate plate member and lower member are joined to each other by hot pressure-welding of projections partially formed in a peripheral portion of the heat pipe and from a peripheral portion of the device mounting section to a neighborhood thereof.