Method of manufacturing a heat dissipation device
A method of manufacturing a heat dissipation device is disclosed. The heat dissipation device manufactured with the method includes two titanium metal sheets, which are subjected to a heat treatment before undergoing mechanical processing, plastic working and surface modification. With these arrangements, the titanium metal sheets can be freely plastically deformed and possess a capillary force, and can therefore be used in place of the conventional copper material to serve as a material for making heat dissipation devices, and the heat dissipation devices so produced can have largely reduced weight and largely improved heat dissipation performance.
1. A method of manufacturing a heat dissipation device comprising the following steps:
preparing a first titanium metal sheet and a second titanium metal sheet and carrying out a cleaning operation on the first and second titanium metal sheets;
performing a heat treatment on the cleaned first and second titanium metal sheets;
stamping the first titanium metal sheet to form a plurality of raised sections thereon;
bonding a titanium metal mesh to one surface of the second titanium metal sheet;
performing a surface modification treatment on the first and the second titanium metal sheet and the titanium metal mesh, so that at least one coating is formed on a surface of each of the first titanium metal sheet, the second titanium metal sheet, and the titanium metal mesh, wherein the first and the second titanium metal sheets and the titanium metal mesh are positioned in an atmosphere furnace and argon gas is supplied into the atmosphere furnace at positive-pressure, and the atmosphere furnace is then heated for a while, so that a reduction reaction due to overheating occurs on the surfaces of the first and the second titanium metal sheets and the titanium metal mesh to form anatase TiO 2 nanorods on the surfaces of the first and second titanium metal sheets and the titanium metal mesh;
closing a surface of the first titanium metal sheet having the raised sections onto the surface of the second titanium metal sheet having the titanium metal mesh bonded thereto; and
carrying out seam welding, working fluid filling, vacuumizing, and sealing.
2. The method of manufacturing a heat dissipation device as claimed in claim 1 , wherein, the atmosphere furnace is heated to 400° C.-700° C. for 30 to 90 minutes.