Housing and preparation method thereof

A shell and substrate technology, applied in the field of shell with purple appearance and its preparation, can solve the problems of limited film color and increased production cost, so as to improve the competitiveness of appearance, avoid wear, scratch or corrosion, and enrich the color Effect

Inactive Publication Date: 2012-07-11
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • 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; A protective layer is plated on the surface of the color layer to increase the service life of the shell, which increases the production cost

Method used

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  • Housing and preparation method thereof
  • Housing and preparation method thereof
  • Housing and preparation method thereof

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Embodiment Construction

[0023] see figure 1 A housing 10 in a preferred embodiment of the present invention includes a base 11 , a color layer 13 formed on the inner surface of the base 11 , and a reflective layer 15 formed on the surface of the color layer 13 . The inner surfaces are surfaces that are not normally touched during normal use of the housing 10 .

[0024] The substrate 11 is colorless and transparent glass or plastic.

[0025] The color layer 13 can be formed on the surface of the substrate 11 by magnetron sputtering. The color layer 13 is zirconia (ZrO 2 )Floor. The color layer 13 may have a thickness of 300-500 nm. The color layer 13 appears purple.

[0026] The reflective layer 15 is formed by magnetron sputtering. The reflective layer 15 is a metal zirconium (Zr) layer. Due to the high reflectivity of metal, the reflective layer 15 can improve the vividness of the color of the color layer 13 . The reflective layer 15 may have a thickness of 100-200 nm.

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Abstract

The invention provides a housing with a purple appearance. The housing comprises a matrix, a color layer formed on the inner surface of the matrix and a reflective layer formed on the surface of the color layer, wherein the matrix is made of colorless transparent glass or plastic; the color layer is a zirconia layer; the reflective layer is a metal zirconium layer; and a chroma region presented by the housing has an L* coordinate between 30 to 35, an a* coordinate between 9 to 11 and a b* coordinate between minus 18 to minus 20 in a CIE Lab surface color system. The invention further provides a preparation method of the housing. The housing provided by the invention has the advantages that the color layer is formed on the inner surface of the matrix, and a color effect of the color layer is observed from the outer surface of the matrix; and under the protection of the matrix, the color layer can be effectively prevented from being abraded and scraped or corroded.

Description

technical field [0001] The invention relates to a casing and a preparation method thereof, in particular to a casing with a purple appearance and a preparation method thereof. Background technique [0002] In order to make the casings of electronic devices and other products rich in color, currently the decorative color layer is mainly prepared through anodic oxidation, baking varnish, porcelain baking and other processes. 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; A protective layer is plated on the surface of the color layer to increase the service life of the casing, which increases the production cost. Contents of the invention [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/08C23C14/14C23C14/35
CPCC23C14/0015C23C14/08C23C14/0036C23C14/35C23C14/083C23C14/14
Inventor 张新倍陈文荣蒋焕梧陈正士黄嘉
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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