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Structure and manufacturing method for selectively forming metal on plastic substrate

A technology for plastic substrates and metal structures, applied in advanced assembly, laser-induced selective metallization of plastic surfaces, and manufacturing fields, to achieve the effect of shortening the electroless plating process

Inactive Publication Date: 2013-05-08
深圳市微航磁电技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But there is no copper in the metal layer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] (1) Preparation of modified nickel-containing inorganic salt

[0043] Select 20 parts of nickel sulfide, 2 parts of dry powder dispersion coating agent (commercially available), and stir in a high-speed mixer for 30 minutes to form a nickel sulfide oily coating. Coat one deck of urea-formaldehyde resin again for subsequent use. (the above parts by weight)

[0044] (2) Preparation of laser composite materials

[0045] The prepared modified nickel-containing inorganic salt is blended into polycarbonate plastics, the addition amount is 3:7 (weight ratio), granulated, and injection molded into plastic products.

[0046] (3) Laser activation

[0047] For laser marking on the surface of plastic products, a 1064nm laser is selected, with a power within 7W, and the laser scanning speed and power are adjusted to make the lines clear and the marking parts not burnt.

[0048] (4) Form a conductive pattern

[0049] Reaction in reducing chemical nickel liquid, constant temperat...

Embodiment 2

[0053] (1) Preparation of modified zinc-containing inorganic salts

[0054] Take 20 parts of zinc sulfide, ball mill it to about 10 microns, treat it with a phthalate-type coupling agent, vacuum-dry it, and then cover it with 5 parts of nano-silicon dioxide in a ball mill for ball milling before use.

[0055] (2) Preparation of laser composite materials

[0056] The prepared modified zinc-containing inorganic salt is blended into transparent polycarbonate plastics, and the addition amount is 3:7 (weight ratio), granulated, and injection molded into plastic products. The resulting plastic substrate is translucent.

[0057] Subsequent laser activation and formation of conductive structures and methods are the same as implementing the process of Example 1.

Embodiment 3

[0059] (1) Preparation of nickel-containing inorganic salt

[0060] Select 20 parts of antimony tin oxide and 2 parts of dry powder dispersion coating agent (commercially available), and stir in a high-speed mixer for 30 minutes for later use.

[0061] (1) Preparation and molding of laser composite materials

[0062] Select American ALM Company to manufacture plastic powder nylon 12 by layering with laser, and mix evenly. Manufacture plastic parts with laser layered manufacturing technology. Subsequent laser activation and formation of conductive structures and methods are the same as implementing the process of Example 1.

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PUM

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Abstract

The present invention relates to a structure and a method for selectively forming a compact and precise metal pattern on a plastic substrate surface. The structure comprises three layers of materials such as a plastic substrate, nickel or zinc or an indium tin oxide material, and a metal subsequently deposited on the material, wherein the nickel or the zinc or the indium tin oxide material is formed through adopting laser to irradiate the plastic substrate, decomposing an additive previously added to the plastic, and adopting reductive chemical plating to treat. The manufacturing method comprises: adopting laser to selectively scan the plastic substrate. According to the present invention, the additive does not adopt a copper-containing oxide, a copper chelate, a copper complex and a metal oxide having a spinel structure, and adopts the environmentally friendly non-toxic inorganic salt containing nickel and zinc, and the indium tin oxide material, the coupling agent is adopted to carry out coating modification to prepare the additive having a core-shell structure, and the additive is added to the plastic to prepare the laser composite plastic; the laser is adopted to decompose the shell part of the additive so as to release active ingredients in the core; the present invention belongs to a new material based advanced assembly and manufacturing technology in the field of electronic and electric apparatuses; and the structure and the method are used for manufacturing mobile phone antennas, transparent lamp parts, automobile parts, three-dimensional circuits and other products.

Description

【Technical field】 [0001] The invention relates to a structure and method for forming compact and precise metal patterns on the surface of plastic products, in particular to laser-induced selective metallization of plastic surfaces, which belongs to the advanced assembly and manufacturing technology based on new materials in the field of electronics and electrical appliances. 【Background technique】 [0002] The selective formation of conductive patterns on non-metallic materials, such as plastic surfaces, is called three-dimensional molding (3D-MID) technology, which can be made into three-dimensional antennas and three-dimensional circuit products, and has begun to become a new type of fashionable manufacturing technology. [0003] The laser direct structuring (LDS) technology of German LPKF company is well known in the industry. [0004] For example Molex ( Molex ) claimed in 2009 that using LDS The mobile phone antenna produced by the technology has reached 20 million p...

Claims

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Application Information

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IPC IPC(8): C23C18/20C25D5/56B32B15/08B32B27/20
Inventor 周红卫
Owner 深圳市微航磁电技术有限公司
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