Mold and method of producing the same

A method of producing a mold having a transfer molding surface of a predetermined shape and is used for press-molding a shaping material into a optical element fixing member, wherein shaping portion(s) for forming alignment mark transfer portion(s) is/are formed by dry-etching on the mold material so that the alignment mark transfer portion(s) is/are formed on the transfer molding surface of the mold for obtaining a optical element fixing member and having the alignment mark(s), a mold release film is formed so that the shaping portion(s) is/are covered and that the surface of the mold release film serves as the transfer molding surface, thereby to obtain a mold having the alignment mark transfer portion(s) which comprise the shaping portion(s) and the mold release film covering the surface(s) of the shaping portion(s), the surface of the mold release film serving as the transfer molding surface.

A method of producing a mold having a transfer molding surface of a predetermined shape and is used for press-molding a shaping material into a optical element fixing member, wherein alignment mark transfer portion(s) is/are formed by dry-etching on the mold material so as to be positioned on the transfer molding surface of the mold in order to obtain a optical element fixing member and having the alignment mark(s).

A optical element fixing member, wherein alignment mark(s) for determining a positional relationship relative to other member(s) is/are integrally molded, and the alignment mark(s) have a surface roughness which is different from a surface roughness on the periphery of the alignment mark(s).

A method of producing a mold having a transfer molding surface constituted by a plurality of transfer patterns and is used for press-molding a shaping material into an article of a predetermined shape, wherein alignment mark(s) is/are formed on a mold material by dry-etching, and the mold material is worked using the alignment mark(s) as reference(s) in order to form the transfer molding surface constituted by the plurality of transfer patterns.

A method of producing a mold having a transfer molding surface constituted by a plurality of transfer patterns and is used for press-molding a shaping material into an article of a predetermined shape, wherein alignment mark(s) is/are formed on a mold material by dry-etching, the mold material is worked by using the alignment mark(s) as reference(s) in order to form a transfer molding bare surface constituted by bare transfer patterns that serve as bases for the transfer patterns, and a mold release film is formed so as to cover at least the transfer molding bare surface, the surface of the mold release film serving as a transfer surface.

A mold comprising a base member having a transfer molding bare surface of a predetermined shape formed by dry-etching, and a mold release film formed on the transfer molding bare surface so as to reflect the shape of the transfer molding bare surface, the surface of the mold release film serving as a transfer molding surface.

A mold having a transfer molding surface formed on the mold material by dry-etching.

17 A mold according to claim 15, wherein transfer pattern(s) corresponding to rugged pattern(s) of a diffraction element, is/are formed on the transfer molding surface.

A method of producing a mold by obtaining a base member by forming, on the mold material by dry-etching, a transfer molding bare surface that serves as a base for the transfer molding surface, and forming a mold release film on the transfer molding bare surface so as to reflect the shape of the transfer molding bare surface, the surface of the mold release film serving as a transfer molding surface.

A method of producing a mold by forming a transfer molding surface on a mold material by dry-etching.