Shell and method for manufacturing same

A manufacturing method and shell technology, which are applied in ion implantation plating, metal material coating process, coating and other directions, can solve the problems of limiting the competitiveness of magnetron sputtering process, and achieve the improvement of appearance competitiveness and rich colors. Effect

Inactive Publication Date: 2012-03-14
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although a better metallic film layer can be obtained on the plastic shell by magnetron sputtering, the color of the film layer is not as rich as that of film-forming processes such as baking paint and anodic treatment, which seriously limits the application of magnetron sputtering technology. Competitiveness in the field of decorative coatings

Method used

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  • Shell and method for manufacturing same
  • Shell and method for manufacturing same

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Experimental program
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Embodiment Construction

[0018] The housing 10 of a preferred embodiment of the present invention (such as figure 1 Shown) the preparation method comprises the following steps:

[0019] A transparent substrate 11 is provided, and the substrate 11 can be transparent glass or transparent plastic.

[0020] The base body 11 includes an inner surface 112 and an outer surface 114 .

[0021] Clean the surface of the substrate 11 to remove impurities and oil stains on the surface of the substrate 11, and dry it for later use after cleaning. The cleaning includes putting the substrate 11 into an ultrasonic cleaner filled with ethanol and / or acetone solution for vibration cleaning.

[0022] The outer surface 114 of the substrate 11 is shielded to prevent the outer surface 114 from being polluted when the composite film layer 13 is formed on the inner surface 112 . The outer surface 114 is masked using high temperature tape in the preferred embodiment.

[0023] The substrate 11 is fixed on the turntable of a...

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Abstract

The invention provides a method for manufacturing a shell. The method comprises the following steps of: providing a transparent substrate; using a titanium target, taking oxygen and nitrogen as the reaction gases, and adopting a magnetron sputtering method to carry out magnetron sputtering on the substrate for 25-35 minutes to form a titanium-oxygen-nitrogen film layer on the other surface of the substrate; and forming a chromium film layer on the titanium-oxygen-nitrogen film layer by magnetron sputtering to enable the L* coordinate value of the chroma area presented by the titanium-oxygen-nitrogen film layer in a CIE (International Commission on Illumination) LAB color system to be 45-52, the a* coordinate value to be minus 2-2 and the b* coordinate value to be minus 16-minus 18, wherein the surface of the substrate is shielded, the oxygen flow is 10-12sccm, and the nitrogen flow is 80-140sccm. The invention also provides the shell manufactured by the method. The shell has blue appearance.

Description

technical field [0001] The invention relates to a manufacturing method of a shell and a shell made by the method. Background technique [0002] With the continuous advancement of technology, various electronic devices such as mobile phones and computers are also developing rapidly, and their functions are becoming more and more abundant. In order to make the housing of the electronic device richer in color, traditionally colored plastics can be used to form a colored plastic housing, or a colored layer can be formed on the surface of the housing of the electronic device by spraying paint. However, a good metal texture cannot be presented by using a plastic casing. [0003] Magnetron sputtering technology is more and more widely used in the field of decorative coating because of its environmental protection, good wear resistance of the prepared film, and the appearance of the product with a very metallic texture. Although a better metallic film layer can be obtained on the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/35C23C14/06C23C14/18
Inventor 张新倍陈文荣蒋焕梧陈正士万自成
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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