ASPHERICAL LENS MANUFACTURING METHOD AND METHOD TO MANUFACTURE INJECTION MOLD OF ASPHERICAL LENS

摘要

The present invention discloses a method for producing an aspherical lens and a method for producing an aspheric lens injection mold. Place an exposure mask for manufacturing an aspheric lens on an exposure specimen having a photosensitive film formed on a substrate, align the rotation axis of the exposure specimen with the central axis of the exposure mask, then fix the exposure mask and rotate the exposure specimen while rotating the exposure specimen. X-rays are irradiated onto the mask to expose the photoresist. The photosensitive film is developed to form an aspheric lens. In addition, a mold for forming an aspherical lens by forming a plating base layer on the developed photoresist, that is, a photoresist structure, and performing a plating process on the plating base layer to form a plating layer, and then separating the plating layer from the photoresist structure. In order to manufacture an injection mold. As described above, an aspherical lens having a more precise shape can be easily manufactured at low cost using an X-ray photolithography process. In addition, since the mold for injection molding the aspherical lens is manufactured according to the X-ray photolithography process, it is possible to manufacture a large amount of aspherical lens with more precise and fine size.