OPTICAL DEVICE MOLDING APPARATUS AND METHOD, AND OPTICAL DEVICE.

摘要

LENS SURFACES ARE TRANSFERRED BY PRESS-MOLDING A GLASS MATERIAL (16) BY AN UPPER MOLD (1) AND A LOWER MOLD (2). AFTER THE LENS SURFACES ARE TRANSFERRED, THE OUTER CIRCUMFERENTIAL PORTIONS OF THE UPPER AND LOWER MOLDS (1,2) ARE CLAMPED AND PRESSED SIDEWAYS TO CORRECT A SHIFT BETWEEN THE OPTICAL AXES OF THE TRANSFER MOLDING SURFACES OF THE UPPER AND LOWER MOLDS (1, 2) AND AN INCLINATION OF THE OPTICAL AXES.