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Mould for molded glass

A glass and mold technology, applied in the field of molds for molding high-precision or high-softening point glass lenses, can solve problems such as high prices, unfavorable market competition, and increased production costs

Inactive Publication Date: 2006-12-13
ETHER PRECISION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] But in actual production, because the above-mentioned prior art mold structures all have a layer of protective film containing precious metal components, and the process is made by sputtering, the target material used is expensive precious metals, which greatly increases the production cost. , is extremely unfavorable to market competition

Method used

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Embodiment Construction

[0018] The technical means and functions used to achieve the purpose of the present invention will be described below with reference to the accompanying drawings, and the embodiments listed in the following figures are only for auxiliary illustration, and the technical means of the present invention are not limited to the listed accompanying drawings.

[0019] figure 1 is a schematic cross-sectional view of a mold for molding glass according to the present invention, which shows the first embodiment. Wherein, the mold 1 sequentially includes a substrate 10 and a protective film 20 stacked thereon.

[0020] When the mold 1 is made, at first the surface of the substrate 10 is ground and polished, wherein the material of the substrate 10 is a superhard alloy based on tungsten carbide (WC); then, a protection is formed on the substrate 10. Film 20, the material of the protective film 20 can be, for example, a protective film of molybdenum (Mo) and hafnium (Hf) metal alloy sputter...

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Abstract

The invention relates the die used for molded glass, comprising prime material and protective film. The protective film is on the prime material, and the protective film is made by molybdenum and hafnium alloys, replacing the precious metal alloy, such as platinum-iridium alloy, iridium-rhenium alloy or ruthenium-ruthenium alloy, and reducing cost.

Description

technical field [0001] The invention relates to a mold (Molding Die) for molding glass, especially a metal alloy of molybdenum (Mo) and hafnium (Hf) as a protective film, which is used to mold high-precision or high-softening glass. Molds for point glass lenses. Background technique [0002] The relatively complete implementation of high-precision glass molding was first disclosed in US Patent No. 3,833,347 of Eastman Kodak Company in 1974. After more than 20 years of research and development, the use of molds is roughly based on the development of various materials and the maturity of processes. Several generations can be distinguished, from the earliest amorphous carbon, silicon carbide (Silicon Carbide, SiC) and silicon nitride (Silicon Nitride; Si 3 N 4 ) hard ceramics, metals, precious metal materials, various thin film applications, and even diamond-like carbon thin films (Diamond Like Carbon, DLC), boride ceramics, etc. [0003] The applicability of the mold must b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B11/00
Inventor 龙澄原
Owner ETHER PRECISION
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