Disclosed is an antenna device, comprising a metal housing, a main board, an RF transmitting/receiving circuit, and a matching capacitor; the metal housing is provided with a micro-slit strip; the micro-slit strip has a first open end and first closed end, arranged opposite to each other; the first open end is located on the edge of the metal housing and the first closed end is located at the micro-slit strip position away from the first open end; the micro-slit strip is provided with a plurality of micro-slits arranged side-by-side at intervals; the main board is provided with a gap, the gap partially divides the main board into an upper part and a lower part; the RF transmitting/receiving circuit is arranged on the lower part of the main board; the matching capacitor is electrically connected between the RF transmitting/receiving circuit and the main board; the RF signal of the RF transmitting/receiving circuit is radiated out by way of the micro-slit strip. Further provided in the present invention is a mobile terminal. In the antenna device and mobile terminal of the embodiments of the present invention, the metal housing is provided with a micro-slit strip having a first open end and a first closed end, facilitating the radiation of the signal from the RF transmitting/receiving circuit on the main board while also reducing the non-metal proportion of the metal housing.

Antenna device and mobile terminal

The invention discloses a housing processing method which comprises the steps of performing polishing processing on a preset area of the housing; shielding the preset area which is polished; removing a shielding layer on the preset area along a preset track; performing sandblasting on the external surface of the housing; and removing the residual shielding layer on the preset area. According to the housing processing method provided by an embodiment of the invention, through grinding the housing, the preset area of the housing is polished so that the preset area of the housing is processed to a high-brightness mirror surface with relatively high brightness; then the preset area is shielded, and the shielding layer on the preset area is eliminated in a preset track, so that a preset mark is formed on a part which is covered by the shielding layer in the preset area; then sandblasting is directly performed on the housing for removing the residual shielding layer for finally forming the preset mark with high brightness, thereby processing the preset mark with relatively high brightness on the housing. The invention further provides a housing and a mobile terminal.

Housing processing method, housing and mobile terminal

A shell manufacturing method disclosed by the present invention comprises the steps of milling a shell to form an antenna micro-slot; roughening the surface of the inner wall of the antenna micro-slot; filling the glue in the antenna micro-slot, wherein the glue adheres the surface of the inner wall tightly. The present invention also discloses a mobile terminal. After the surface of the inner wall is roughened, a plurality of nanoscale recesses are formed on the surface of the inner wall of the antenna micro-slot, so that the roughness of the surface of the inner wall is increased, and the adhesion force of the glue and the surface of the inner wall is improved effectively. The glue adheres the metal parts at the two sides of the antenna micro-slot by the surface of the inner wall, thereby improving the adhesion force of the glue to the metal parts at the two sides of the antenna micro-slot. According to the present invention, the shell strength is high, the shell yield is improved, and the production cost is reduced.

Shell manufacturing method and mobile terminal

The invention provides a shell manufacturing method. The shell manufacturing method comprises the following steps of providing a board, wherein the board comprises a first surface and a second surfacewhich are oppositely arranged and a groove formed from the first surface; providing a metal strip, wherein the metal strip comprises a third surface, a fourth surface, a fifth surface and a sixth surface, the third surface and the fourth surface are oppositely arranged, the fifth surface and the sixth surface are oppositely arranged, the fifth surface is respectively intersected with the third surface and the fourth surface, and the sixth surface is respectively intersected with the third surface and the fourth surface; placing the metal strip in the groove, wherein the fourth surface is adjacent to the bottom surface of the groove relative to the third surface, a first gap is formed between the fourth surface and the bottom surface of the groove, a second gap is formed between a fifth lateral surface and one lateral surface of the groove, and a third gap is formed between a sixth lateral surface and the other lateral surface of the groove; filling a glue material into the groove andsolidifying in order to bond the metal strip in the groove; and removing the board and the glue material between the plane where the fourth surface is located and the second surface.

Shell manufacturing method, shell and mobile terminal

The invention discloses a 3C (Computer, Communication, Consumer Electronics) product shell and a preparation method thereof. The shell includes a metal structural element. An antenna slot is arranged between the back and front of the metal structural element in a penetration mode. A plastic structural layer formed through integrated injection moulding is arranged on the back of the metal structural element. The antenna slot is at least partially filled by the plastic structural layer. An aluminium film layer is plated on the front of the metal structural element. Sufficient anodic oxidation is carried out on the aluminium film layer to form an anode oxide layer, and the anodic oxidation degree is subject to the fact that the aluminium film layer is non-conductive. According to the shell and the method, the problem that the antenna cutting position on the electronic product metal shell is exposed can be completely eliminated; the appearance of the electronic product metal shell is enabled to be complete and consistent; the shell is high in metal texture, simple in production technology and low in cost and is suitable for mass production. The appearance quality demand of the 3C product structural element can be satisfied, and moreover, the shell has the advantages of easy production, low cost and practicability.

3C (Computer, Communication, Consumer Electronics) product shell and preparation method thereof

The invention discloses a communication equipment metal shell and preparation method thereof. The communication equipment metal shell comprises a metal substrate with more than one slit, an anodic oxidation film layer and a plastic support layer, wherein the anodic oxidation film layer is at least located on the inner surface of the metal substrate; the plastic support layer is formed on the anodic oxidation film layer; the anodic oxidation film layer comprises a barrier layer and a loose layer; the barrier layer is in contact with the metal substrate and the loose layer is located on the outer surface of the barrier layer; the loose layer contains loose layer micropores; the apertures of the loose layer micropores are 10nm to 800microns; the barrier layer contains barrier layer micropores; and the apertures of the barrier layer micropores are 10nm to 800 microns. The binding force of the plastic support layer and the metal substrate of the communication equipment metal shell disclosed by the invention is high; and the communication equipment metal shell has an integrated effect in appearance.

Communication equipment metal shell and preparation method thereof

The invention discloses a preparation method for a communication equipment metal shell and the communication equipment metal shell obtained by the method. The preparation method for the communication equipment metal shell comprises the following steps: 1) providing the metal shell which comprises a metal matrix and a plastic supporting layer attached to the inner surface of the metal matrix; 2) forming more than one narrow slit in the metal matrix by laser etching, wherein the narrow slit penetrates through the metal matrix, and does not penetrate through the plastic supporting layer; and 3) forming a decorative layer on the outer surface of the metal matrix. According to the preparation method disclosed by the invention, the narrow slit with a smooth and burr-free surface can be processed with high precision on the metal shell with the plastic supporting layer, and the metal shell and the narrow silt are not deformed in a narrow slit processing process and a surface decoration process, so that the flatness consistency on appearance of the metal shell can be guaranteed.

Preparation method for communication equipment metal shell

The invention discloses a communication equipment metal shell, which comprises a metal substrate, more than one slit, a plastic support layer and a decorative layer, wherein the more than one slit runs through the metal substrate; the plastic support layer is formed on the inner surface of the metal substrate; the decorative layer is formed on the outer surface of the metal substrate; the communication equipment metal shell is characterized in that the widths of the slits on the outer surface of the metal substrate are 15-500microns; the widths of the slits on the inner surface of the metal substrate are 20-600microns; and the ratio of the widths of the slits on the inner surface of the metal substrate to those on the outer surface of the metal substrate is (1.05-1.5) to 1. The communication equipment metal shell which is relatively small in slit taper and beneficial to passing of an electromagnetic signal, and has an integrated effect in appearance can be provided.

Communication equipment metal shell

The present disclosure provides a metal shell of communication equipment. The metal shell of communication equipment includes a metal substrate, a slit penetrating an inner and an outer surface of the metal substrate, a plastic-supporting layer formed on the inner surface of the metal substrate and a decorative layer formed on the outer surface of the metal substrate, wherein a width of the slit on the outer surface of the metal substrate is 15-500 μm, a width of the slit on the inner surface of the metal substrate is 20-600 μm, and a ratio of the width of the slit on the inner surface of the metal substrate to the width of the slit on the outer surface of the metal substrate is between 1.05:1 and 1.5:1.

Metal shell of communication equipment

Provided are a method for preparing a communication equipment metal housing and a communication equipment metal housing obtained by the method. The method for preparing the communication equipment metal housing of the present invention comprises: 1) performing a first injection in a non-slit area on the inner surface of a metal substrate; 2) opening one or more slits in a slit area on the inner surface of the metal substrate; and 3) performing a second injection in the slit area on the inner surface of the metal substrate.

Li Konglin

Papers

Communication equipment metal shell and preparation method thereof

Preparation method for communication equipment metal shell

Communication equipment metal shell

Metal shell of communication equipment

Communication equipment metal housing and preparation method therefor