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Method for manufacturing forming die for optical element, forming die for optical element and optical element

A technology for optical components and forming molds, applied in optical components, manufacturing tools, optics, etc., can solve problems such as peeling off after long-term use, low affinity between coatings and ceramics

Inactive Publication Date: 2006-02-15
KONICA MINOLTA OPTO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, there is a problem that the affinity between the plating layer and the ceramic is relatively low, and problems such as peeling may occur when used for a long time

Method used

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  • Method for manufacturing forming die for optical element, forming die for optical element and optical element
  • Method for manufacturing forming die for optical element, forming die for optical element and optical element
  • Method for manufacturing forming die for optical element, forming die for optical element and optical element

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Embodiment Construction

[0016] In order to achieve the above object, the preferable structure thereof is explained below.

[0017] The method of manufacturing a molding die for an optical element described in item 1 is characterized in that a film layer of an amorphous metal having a supercooled liquid region is formed on the surface of a mold base material having a heat conductivity of 1 to 20 W / mK , the supercooled liquid region contains more than 20-80mol% selected from Pt, Ir, Au, Pd, Ru, Rh, Fe, Co, Ni, Zr, Al, Ti, Cu, W, Mo, Cr, B, P At least one or more elements, by performing predetermined processing on the surface of the film layer, form the optical surface of the mold (referred to as the surface that is transferred to form the optical surface of the optical element to be formed).

[0018] For example, when attaching an electroless Ni plating layer on the surface of a mold base material and forming the optical surface of the mold on it, it takes a very long time of several weeks to obtain th...

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Abstract

The present invention provides a forming mold for an optical element, comprising a mold formed by material having 1- 20W / mK thermoconductivity and an amorphous metal film layer formed on the mold basic material having an undercooling liquid region, the undercooling liquid region comprises at least one element selected from Pt, Ir, Au, Pd, Ru, Rh, Fe, Co, Ni, Zr, Al, Ti, Cu, W, Mo, Cr, B, P whcih the mol is above 20-80mol%, the mold optical surface is formed by preliminarily processing the surface of the film layer.

Description

technical field [0001] The present invention relates to a method of manufacturing a molding die for optical elements capable of shortening the molding cycle, a molding die for optical elements manufactured by the manufacturing method, and an optical element formed by the molding die for optical elements. Background technique [0002] According to the manufacturing method of molds for molding plastic optical elements generally practiced in the prior art, for example, Fe-based materials such as steel or stainless steel are used to manufacture blanks (primary processed products), and electroless plating called electroless nickel plating is performed on them. , forming an alloy coating of amorphous nickel and phosphorus with a thickness of about 100 μm. This coating is cut with an ultra-precision machining machine using a diamond tool to form a high-precision optical surface transfer surface for forming the optical surface of an optical element. [0003] However, in recent year...

Claims

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Application Information

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IPC IPC(8): B29C33/38C03B11/08C23C14/06C23C14/24C23C14/34C23C14/48C23C16/00G02B1/00G02B3/00
CPCC03B2215/11C03B2215/16C03B11/086
Inventor 汤浅清司细江秀和田一启
Owner KONICA MINOLTA OPTO