Patent ID: 7028974

Claim:
A lens molding assembly which comprises: a lens molding die comprising: a base member made of a hard material and having one surface of a predetermined shape; a resin-molded surface layer formed on said one surface of the base member and having a surface shape corresponding to a predetermined shape of one surface of a lens to be produced; and a lower cylindrical holder configured to surround and fixedly hold said base member; an upper member having a lower surface configured to contact the surface of said resin-molded surface layer; an upper cylindrical holder configured to surround and fixedly hold said upper member; and a ring-shaped positioning member configured to be coaxially sandwiched between said lower and upper cylindrical holders, wherein: said surface shape of said resin-molded surface layer is uninterrupted and conforms to said predetermined shape of said base member; said resin-molded surface layer is inactive with a material to be molded by said lens molding die; a curvature of said surface shape of said resin-molded surface layer is different from a curvature of said predetermined shape of said base member; and a thickness of said resin-molded surface layer is less than a thickness of said base member.