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Application filed by Jentech Prec Ind Co LtdfiledCriticalJentech Prec Ind Co Ltd
Priority to TW92130585ApriorityCriticalpatent/TWI239084B/en
Publication of TW200515566ApublicationCriticalpatent/TW200515566A/en
Application grantedgrantedCritical
Publication of TWI239084BpublicationCriticalpatent/TWI239084B/en
A manufacturing method of heat spreader is described. The manufacturing method is utilized to manufacture a heat spreader with a concave region. The manufacturing method includes the following steps. First, a raw material of the heat spreader is provided. The raw material is removed a part of material at a central area to form a hollow area thereon by chemical etching process. Subsequently, the raw material with the hollow area is forged to form a predetermined shape and dimensions.
TW92130585A2003-10-312003-10-31Manufacturing method of heat spreader
TWI239084B
(en)