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Method for manufacturing nanometer metal powder

A technology of nano-metal powder and manufacturing method, which is applied in the field of nano-material manufacturing, which can solve the problems of uneven size, low height, and difficulty in controlling the dispersion of nano-metal powder, and achieve the effect of uniform size controllable and good dispersion

Inactive Publication Date: 2006-02-15
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In order to overcome the deficiencies of the nano-metal powder produced in the prior art, such as uneven size, difficulty in control and low dispersibility, the purpose of the present invention is to provide a nano-metal powder that can obtain uniform size controllable and good dispersibility. body manufacturing method

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  • Method for manufacturing nanometer metal powder
  • Method for manufacturing nanometer metal powder
  • Method for manufacturing nanometer metal powder

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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0018] Please refer to Figure 1 to Figure 6 , is a flow chart of the manufacturing method of the nano metal powder provided by the present invention. It includes the following steps:

[0019] (a) provide a substrate 10, which has a substrate surface 100, the substrate surface 100 can be processed by chemical polishing to obtain a flat surface (such as figure 1 shown), the substrate material is selected from Si, SiO 2 , GaAs, GaP or InP, etc., the present invention uses a silicon substrate.

[0020] (b) on the surface 100 of the substrate 10 (such as figure 1 Shown) deposit a layer of metal thin film 11 (such as figure 2 As shown), the obtained metal thin film 11 has a thickness of nanometer scale, which can be 1 nanometer to 100 nanometers. The metal is selected from copper, aluminum, nickel, etc., and copper is used in the present invention. Wherei...

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Abstract

This invention provides preparation method for nano metal powder, which comprises, forming nano design light shield with micro-image process technique, etching the metal thin membrane to form corresponding nano design and obtain product. The invention can obtain nano metal powder of even controllable size, well distribution and fits to the preparation of copper, aluminum and nickel.

Description

【Technical field】 [0001] The invention relates to the field of nanometer material production, in particular to a production method of nanometer metal powder. 【Background technique】 [0002] In recent years, with the development of nanotechnology, the demand for nanomaterials is increasing day by day, and various nanomaterial manufacturing methods emerge in an endless stream, such as the preparation methods of nanometer metal powders, which usually include gas phase method, solid phase method and liquid phase method. Among them, the gas phase method usually requires special equipment, the cost is high, and it is not suitable for large-scale industrial production; the powder obtained by the solid phase method is not high in purity; the liquid phase method is relatively simple and easy to implement, and the cost is also low. However, the liquid phase reaction process In the process, there will be phenomena such as easy aggregation of nanoparticles into agglomerates and poor sta...

Claims

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Application Information

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IPC IPC(8): B22F9/00
Inventor 简扬昌
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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