Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 27, 2009
Patent Application Number
12354096
Date Filed
January 15, 2009
Patent Primary Examiner
Patent abstract
An exemplary method for fabricating a mold core includes the following steps. First, a substrate is provided. Second, a photo resist layer is formed on the substrate, the photo resist layer has a top surface. Third, the photo resist layer is etched using a direct writing process to form the top surface thereof into a substantially aspherical stepped surface. Lastly, the photo resist layer is softened using a reflow process to transform the substantially aspherical stepped surface into a substantially aspherical smooth molding surface. Thereby, a mold core having the substantially aspherical smooth molding surface is obtained.
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