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Metal shell of communication equipment and preparation method thereof

A technology for metal casings and communication equipment, applied in the directions of metal casings, slot antennas, telephone structures, etc., can solve the problems of damage to the overall structure of the metal mobile phone body, affecting the overall cleanliness and continuity of the appearance, and achieve improved hardness, appearance, etc. View neat, smooth and consistent effect

Active Publication Date: 2019-11-22
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

Method used

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  • Metal shell of communication equipment and preparation method thereof
  • Metal shell of communication equipment and preparation method thereof

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preparation example Construction

[0050] 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:

[0051] 1) the step of forming the first protective layer on the surface of the metal substrate;

[0052] 2) a step of forming a groove penetrating through the first protective layer and part of the metal substrate on the inner surface side of the metal substrate;

[0053] 3) removing the first protective layer and forming a second protective layer on the inner surface of the metal substrate;

[0054] 4) a step of forming a decorative layer on the outer surface of the metal substrate;

[0055] 5) A step of forming a slit through the metal substrate at the bottom of the groove.

[0056] The above-mentioned steps of the present invention will be described in detail below.

[0057] Step 1): the step of forming the first protective layer on the surface of the metal substrate

[0058] In the present i...

Embodiment 1

[0121] 1) Aluminum alloy (purchased from Dongguan Gangxiang Metal Materials Co., Ltd., grade 6063, thickness 0.4mm) was cut into a size of 15mm x 80mm as the metal substrate. After spraying 5680 series UV ink (purchased from Shenzhen Wanjiayuan Fine Chemical Technology Co., Ltd., the same below) on the surface of the metal substrate, and then baking at 80°C for 25 minutes, UV exposure was carried out (the exposure condition was 2 minutes, The light intensity is 800mJ / cm 2 ), forming two 2mm wide substrate strips, wherein the length of the substrate strips is 75mm, and the distance between two adjacent substrate strips is 3mm. In addition, the thickness of the formed UV ink layer was 20 μm.

[0122] 2) Etching the metal substrate obtained in step 1) with an acid etching solution, and then etching with an alkaline etching solution. Wherein, the acidic etching solution is a mixed solution of 550g of ferric chloride, 30g of hydrochloric acid and 100g of water, and the etching co...

Embodiment 2

[0131] 1) Aluminum alloy (purchased from Dongguan Gangxiang Metal Materials Co., Ltd., grade 6063, thickness 0.4mm) was cut into a size of 15mm x 80mm as the metal substrate. After spraying 5680 series UV ink on the surface of the metal substrate, and then baking at 80°C for 25 minutes, carry out ultraviolet exposure (exposure time is 2min, light intensity is 800mJ / cm 2 ), forming two 3mm wide substrate strips, wherein the length of the substrate strips is 75mm, and the distance between two adjacent substrate strips is 3mm. In addition, the thickness of the formed UV ink layer was 20 μm.

[0132] 2) After the metal substrate obtained in step 1) is etched with an acidic etchant, it is then etched with an alkaline etchant. Wherein, the acidic etching solution is a mixed solution of ferric chloride of 550g, hydrochloric acid of 30g and water of 100g, and the condition of described acidic etching solution etching is: temperature is 30 ℃, time is 10 minutes; The etching solution ...

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Abstract

Provided are a communication device metal housing and a manufacturing method therefor. The communication device metal housing comprises: a metal substrate (1), a groove (3) provided on the inner surface of the metal substrate (1), a slit (8) provided at the bottom of the groove (3) and running through the metal substrate (1), and a decorative layer (6), where the decorative layer (6) covers the outer surface of the metal substrate (1).

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): H05K5/04H04M1/02
CPCH01Q13/10H04M1/02H05K5/04
Inventor 廖重重陈梁
Owner BYD CO LTD
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