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Method for forming antenna or circuit on plastic cement casing

A plastic shell and antenna technology, which is applied in metal material coating process, coating, etc., can solve the problems of complex shape three-dimensional antenna or circuit, etc., and achieve the effect of saving chemical plating process, short manufacturing process and good applicability

Inactive Publication Date: 2014-12-17
GUANGDONG JANUS SMART GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the molding problem of three-dimensional antenna or circuit with complex shape, the present invention proposes a new method of preparing antenna and circuit on plastic shell

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Example 1: Preparation of a planar metal antenna made of copper

Embodiment approach

[0035] The material of the plastic case is PC. A copper planar antenna pattern with a thickness of 30 μm is prepared on the plastic casing. The implementation plan is as follows:

[0036] S1. Put the shell to be processed into the jig, and put the jig into the molding cylinder. Adjust the laser power output by the fiber laser to 10W, set the laser scanning path on the computer, output the laser to the surface of the shell through the optical path system through the laser coaxial powder feeding nozzle, laser engrave and remove the thickness of the plastic shell. 30μm plastic to form the pattern of the antenna;

[0037] S2. Slicing and separating the three-dimensional CAD model of the antenna, converting it into two-dimensional plane data, transmitting the data to the laser beam displacement control system, and generating the scanning trajectory of the laser beam;

[0038] S3. Adjust the output power of the fiber laser to 40W, and pass argon gas into the molding cylinder for ...

Embodiment 2

[0039] Example 2: Preparation of a three-dimensional metal antenna made of silver

[0040] The material of the plastic shell is PC / ABS. A three-dimensional antenna pattern made of silver is prepared on two mutually perpendicular surfaces on the plastic housing, and the thickness of the antenna on the two surfaces is 24 μm. The implementation plan is as follows:

[0041]S1. Put the shell to be processed into the jig that can rotate 90o, and put the jig into the molding cylinder. Adjust the laser power output by the fiber laser to 10W, set the laser scanning path on the computer, output the laser to the surface of the shell through the optical path system through the coaxial nozzle, first laser engrave and remove the plastic shell with a thickness of 24μm on one plane Then, rotate the jig 90o, remove the plastic with a thickness of 24μm on the other side with laser engraving, and form the remaining part of the antenna pattern.

[0042] S2. Slicing and separating the three-dim...

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Abstract

The invention discloses a method for forming an antenna or a circuit on a plastic cement casing. The method comprises the following steps that in a material accumulation step, the scanning is carried out on the plastic cement casing according to preset patterns in a mode that laser at the first power and metal powder are axially output in a coupled way, the laser is emitted while the coaxial powder conveying is carried out, the coaxially conveyed metal powder is melted by the laser, in addition, the melted metal powder is solidified and deposited on the plastic cement casing, and after the accumulation layer by layer, the antenna or the circuit with the patterns is formed. The method has the advantages that the complicated three-dimensional antenna and circuit structures can be simply, conveniently and fast manufactured on a plastic casing.

Description

technical field [0001] The invention relates to the manufacture of antennas for electronic products, in particular to a method for forming antennas or circuits on plastic casings. Background technique [0002] As smartphones become thinner and lighter, traditional mobile phone antenna manufacturing methods have been difficult to meet the design requirements of compact, three-dimensional curved antennas and other antennas. For example, two-color injection molding, this technology needs to manufacture the injection mold of the antenna, the modification process of the mold is complex and costly, and it is difficult to manufacture a complex three-dimensional antenna structure. In this context, some new mobile phone antenna manufacturing technologies have emerged, such as LDS technology and printed antennas. Among them, LDS technology has been widely concerned because of its many advantages. One of the advantages of LDS technology is to use laser to directly engrave the pattern...

Claims

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Application Information

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IPC IPC(8): B22F3/105B22F7/08C23C24/10
Inventor 闫国栋王长明谢守德
Owner GUANGDONG JANUS SMART GRP CO LTD
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