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Casing and preparation method thereof

A production method and shell technology, applied in the field of shell and its production, can solve the problems of limited film color, etc., and achieve the effect of improving appearance competitiveness and enriching colors

Inactive Publication Date: 2015-03-11
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

[0003] However, in the prior art, the color of the film layer formed on the surface of the shell by PVD coating technology is very limited. At present, the PVD film layer that can be widely prepared and used is mainly golden yellow, black, blue and other colors, which can be stably produced. There are even fewer colors

Method used

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  • Casing and preparation method thereof

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Embodiment Construction

[0016] see figure 1 , the casing 10 of a preferred embodiment of the present invention includes a base 11 and a color layer 13 formed on the surface of the base 11 .

[0017] The substrate 11 can be metal, glass or ceramic.

[0018] The color layer 13 can be formed on the surface of the substrate 11 by magnetron sputtering. The color layer 13 is a tin oxide (SnO) layer. The color layer 13 may have a thickness of 200-400 nm. The color layer 13 presents blue intuitively by the naked eye, and the chromaticity area it presents is in the L of the CIE LAB color system. * Coordinates between 40 and 50, a * Coordinates between -25 and -15, b * The coordinates are between -45 and -35.

[0019] The manufacturing method of the casing 10 of the present invention comprises the following steps:

[0020] A substrate 11 is provided. The substrate 11 can be metal, glass or ceramic.

[0021] Put the substrate 11 into absolute ethanol for ultrasonic cleaning and dry it for later use.

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Abstract

The invention provides a casing with blue appearance, which comprises a base and a color layer formed on the surface of the base. The color layer is a stannous oxide layer, and in a CIE (Commission International Eclairage) LAB color system of a chromatic area shown by the color layer, an L* coordinate ranges from 40 to 50, an a* coordinate ranges from minus 25 to minus 15, and a b* coordinate ranges from minus 45 to minus 35. The invention further provides a preparation method of the casing. The casing is blue due to the color layer.

Description

technical field [0001] The invention relates to a casing and a manufacturing method thereof, in particular to a casing with a blue appearance and a manufacturing method thereof. Background technique [0002] In order to make the casing of the electronic device rich in color, currently the decorative coating is mainly prepared by processes such as anodic oxidation, baking varnish, and porcelain baking. Compared with these traditional processes, PVD coating technology is more green and environmentally friendly, and the use of PVD coating technology can form a decorative color layer with a metallic texture on the surface of the product shell. [0003] However, in the prior art, the color of the film layer formed on the surface of the shell by PVD coating technology is very limited. At present, the PVD film layer that can be widely prepared and used is mainly golden yellow, black, blue and other colors, which can be stably produced. Colors are even rarer. Contents of the inve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C14/08C23C14/35
Inventor 张新倍陈文荣蒋焕梧陈正士李光辉
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD