Method for making glass die-made-die-core with microstructure and glass die-made-die-core

Abstract

The invention provides a method of processing glass moulding kernels with a microstructure, and a glass moulding kernel. The processing method is to form a plurality of relative images of an optical component which is going to be molded through micro-shadow and etching technologies on base material which is larger or equal to 8mm and which is provided with a plate massive structure, and then to form a leaving protective layer on the surface of the base material. No chemical reaction is produced between the leaving protective layer and glass under the softening state, and the Vickers hardness of the layer is not less than 2000 degrees. The surface of the base material, of which a plurality of the images are formed, together with the leaving protective layer form the microstructure of the glass optical component to be molded relatively. And the glass moulding kernel with the microstructure is made. With the plate massive structured base material of a mold making unit and the protection of the leaving protective layer, the glass moulding kernel has the advantages of high stability and structural strength and perfect leaving property and durability.

Description

technical field [0001] The invention relates to a molding core, in particular to a method for manufacturing a glass molding core for glass molding and the glass molding core. Background technique [0002] Optical glass components in various optical products, such as gratings, microlens arrays, etc., use their microstructure (Micro structure) patterns to cause light to produce various physical optical phenomena such as diffraction and refraction, and then provide optical products The follow-up application of other components in optical products is one of the important components in optical products; in the past, microstructure graphics were directly produced on the surface of glass substrates by photolithography and etching (Etching) to manufacture such optical components. The production efficiency of glass components is not only low, but also the production cost is extremely high. [0003] At present, the industry has used glass molding to produce these optical glass compon...

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Problems solved by technology

[0007] However, at least one layer of film is deposited on the substrate 11 by combining different materials, and the film is used as the microstructure layer 12 to form a microstructure image 13 corresponding to the microstructure pattern of the optical glass component, and then the glass is made. The method of molding the mold core 1 is limited by the lack of stability and structural strength when the film is connected to the base material 11, so it is easy to damage the glass mold core 1 during the high-temperature glass molding process, which affects the optical quality of the production. Yield of glass components

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