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What are the types of cell phone battery cover at present

2019-08-26
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1. Plastic material

Plastic material with IMT / IML film technology can achieve the effect of visual impact. The so-called optical texture 3D imitation glass injection molding is as follows: the diaphragm adopts 3D optical visual design, laser vacuum coating forms dazzling and colorful colors, the colors are customized according to the ID requirements, after the integration of injection molding in the mold, the unique and fashionable light feeling is achieved, different colors bloom with the change of time and space, the angle changes, and the light color changes with it, which is as dazzling as the aurora.

2. Glass material

The high-quality 3D glass currently occupies the high-end flagship machine. From several mainstream medium and high-end flagship machines released this year, the battery cover adopts 3D curved glass, such as the recently released P30, oppo Reno and Samsung A80.

3. Ceramic material

Compared with glass, ceramic has higher hardness, more scratch resistance, and is not easy to scratch. It has the same outstanding hand feel and jade like texture as glass. It is the best choice for the back cover of high-end flagship model of 5g era mobile phone. However, due to the hardness and brittleness of ceramic material, the processing flow of ceramic back cover is long, the processing difficulty is large, and the yield is low, so it is only used by some high-end flagship models.


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4. carbon fiber

The advantages of carbon fiber as battery cover material or mobile phone protection shell: high rigidity, wear resistance, fashionable and novel, impact resistance, corrosion resistance, which can meet the design requirements of ultra light and ultra-thin consumer electronic products. Thanks to the continuous fiber with high strength and low density and the fast curing epoxy resin with special formula, it can fully meet the aesthetic design of notebook, mobile phone and other electronic products, lacking Point is relatively high cost, or not widely used, is a small variety.

5. Leather material

The leather material is used as the back battery cover in Huawei P series and mate series. The back material is selected European full grain calfskin, and only the part with balanced and smooth texture is used as the raw material regardless of cost. After 28 days of hand tanning from Italian classic pamelatto, the texture of natural leather is perfectly maintained and the fingertips feel fine. In addition, the leather material is also commonly used for the protective cover of high-end flagship machine. Due to the soft material of leather, the battery cover belongs to the structural part, which needs certain structural strength, so the process of leather battery cover is relatively complex. First, the injection mold of battery cover is formed, and the base material of plastic battery cover is molded, and the leather is covered on the plastic shell. Because the seamless fit of the two materials is involved, the process requirements are very high. The size of injection battery cover is controllable and the consistency is good, but The leather is soft and has certain flexibility, so the size of the skin should be determined before the skin.



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