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Manufacturing method of metal template

A manufacturing method and metal technology, applied in the direction of chromate treatment, etc., can solve the problems of complex operation, large area of ​​large-size metal mold base plate, large demand for pure water, etc., and achieve simple operation process, short operation time and low cost The effect of low cost

Inactive Publication Date: 2003-07-02
PRODISC TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Furthermore, due to the large size of the metal mold base plate, the demand for pure water for cleaning is also large, and the operation is too complicated

Method used

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  • Manufacturing method of metal template
  • Manufacturing method of metal template
  • Manufacturing method of metal template

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Experimental program
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Embodiment Construction

[0022] A method for manufacturing a metal stencil according to an embodiment of the present invention will be described below with reference to related drawings, wherein the same elements will be described with the same reference symbols.

[0023] Such as figure 1 As shown, the method for manufacturing a metal stencil according to the embodiment of the present invention includes the following steps: immersing a metal stencil base plate with arc lines formed on its surface in a passivation solution (S01); and electrolytically , passing a certain current for a certain period of time to form a passivation film (S02) on the surface of the metal mold base plate.

[0024] Such as Figure 2A As shown, concentric circular arc lines 12 are formed on the surface of the metal mold base 11 used in step S01 . In addition, if Figure 2B As shown, the surface of the metal mold base plate 11 may also be formed with spiral arc lines 12 ′. In addition, in this embodiment, when the metal mol...

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Abstract

A process for preparing a metal form includes such steps as immersing a metal form baseplate whose surface has circular grain pattern in a passivating liquid, and electrolyzing to form a passivated film on the surface of metal substrate.

Description

technical field [0001] The invention relates to a method for manufacturing a metal stencil, in particular to a method for forming a metal stencil by using a passivation method. Background technique [0002] When making optical rear projection components or optical discs, in order to avoid damage to the original template, the main metal template is usually used to make a master or sub-plate by electroplating. Usually, the material of the metal mold base plate and the master plate formed by electroplating are similar, so it is easy to damage the geometry of the arc lines on the surface of the metal mold base plate during the demoulding step, resulting in the failure of the demoulding step. At present, before the electroplating step of the metal mold base plate, a passivation film is formed on the surface of the metal mold base plate, and the principle that there is a potential difference between the passivation film, the metal mold base plate and the m...

Claims

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Application Information

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IPC IPC(8): C25D11/38
Inventor 黄必达邱昌模蔡曜徽
Owner PRODISC TECH INC