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Metal shell of communication equipment and preparation method thereof

A technology for metal casings and communication equipment, applied in metal casings, antennas, electrical components, etc., can solve problems such as damage to the metal texture, damage to the overall structure of the metal mobile phone body, and affect the overall cleanliness and continuity of the appearance. Neat, smooth and consistent, improving hardness and obvious effect of metal texture

Active Publication Date: 2019-07-26
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned prior art prevents signal shielding by filling the antenna groove with plastic, but it causes certain damage to the overall structure of the metal mobile phone body, affecting the overall cleanliness and continuity of its appearance
At the same time, the visible plastic on the shell destroys the overall metal texture of the fuselage

Method used

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  • Metal shell of communication equipment and preparation method thereof

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Effect test

preparation example Construction

[0039] The present invention also provides a method for preparing the metal casing of the above-mentioned communication device, wherein the method includes the following steps:

[0040] 1) A step of forming a decorative layer on the surface of the metal substrate by one or more of electrophoresis, common anodizing, porcelain anodizing, micro-arc oxidation and spraying;

[0041] 2) a step of forming a UV ink layer on the decorative layer positioned on the surface of the metal substrate;

[0042] 3) forming more than one slit on the decorative layer and the UV ink layer positioned on the inner surface side of the metal substrate to expose the metal on the inner surface of the metal substrate;

[0043] 4) Etching the metal substrate obtained in step 3) to form a slit through the metal substrate on the metal substrate;

[0044] 5) the step of removing the UV ink layer on the surface of the metal substrate;

[0045] 6) A step of filling and curing glue in the slit of the metal su...

Embodiment 1

[0083] 1) Form a decorative layer

[0084] An aluminum alloy (purchased from Dongguan Gangxiang Metal Materials Co., Ltd., grade 6063, thickness 0.4 mm) was cut into a size of 15 mm×80 mm as the metal substrate.

[0085] At 50°C, the metal substrate was etched in alkaline etching solution (60g / L sodium hydroxide aqueous solution) for 2 minutes, and then washed twice with deionized water; then, at 25°C, in the light-emitting solution (25ml / After 4min in L nitric acid aqueous solution), wash twice with deionized water; then, at 25°C, polish in chemical polishing solution (a solution consisting of 650ml / L phosphoric acid and 350ml / L sulfuric acid) for 20s, then use Rinse twice with deionized water; then dry at 80° C. for 20 minutes to obtain a washed and dried metal substrate.

[0086] A decorative layer with a thickness of 30 μm is formed on the surface of the metal substrate by electrophoresis. The conditions of the electrophoresis are: the temperature is 30°C, the voltage is...

Embodiment 2

[0099] 1) Form a decorative layer

[0100] An aluminum alloy (purchased from Dongguan Gangxiang Metal Materials Co., Ltd., grade 6063, thickness 0.4 mm) was cut into a size of 15 mm×80 mm as the metal substrate.

[0101] At 50°C, the metal substrate was etched in alkaline etching solution (60g / L sodium hydroxide aqueous solution) for 2 minutes, and then washed twice with deionized water; then, at 25°C, in the light-emitting solution (25ml / After 4min in L nitric acid aqueous solution), wash twice with deionized water; then, at 25°C, polish in chemical polishing solution (a solution consisting of 650ml / L phosphoric acid and 350ml / L sulfuric acid) for 20s, then use Rinse twice with deionized water; then dry at 80° C. for 20 minutes to obtain a washed and dried metal substrate.

[0102] A decorative layer with a thickness of 20 μm was obtained by anodizing. Wherein, the anodic oxidation conditions are as follows: the anode voltage is 15V, the temperature is 19°C, and the oxidat...

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Abstract

Provided are a metal shell for communication equipment and a manufacturing method therefor. The metal shell for communication equipment comprises a metal substrate, a decorative layer formed on a surface of the metal substrate, at least one slit running through the metal substrate and the decorative layer of an internal surface of the metal substrate, and a filler member fully filling the slit, wherein the decorative layer is formed by at least one of electrophoresis, common anodic oxidation, porcelain anodic oxidation, micro-arc oxidation and spraying.

Description

technical field [0001] The invention relates to a metal shell of communication equipment and a preparation method thereof. Background technique [0002] The mobile phone antenna is a device used to receive signals on the mobile phone. At present, most smart phones have built-in antennas, which requires that the back cover of the mobile phone cannot shield the signal. Plastic mobile phones do not have this problem. For the rising popularity of mobile phones with metal bodies, how to solve the signal shielding problem is one of the keys to its design and manufacture. [0003] At present, most metal mobile phones adopt the method of opening antenna slots and injection molding to solve the problem of signal shielding of the fuselage, such as the upper and lower antenna slots of HTCONE, and the side antenna slots of iphone5 / 5s. The above-mentioned prior art prevents signal shielding by filling the antenna slot with plastic, but causes certain damage to the overall structure of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K5/04
CPCH01Q13/00
Inventor 廖重重陈梁
Owner BYD CO LTD
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