Functional mobile phone back shell and preparation method thereof

Abstract

The present invention discloses a preparation method of a functional mobile phone back shell, comprising the following steps: (1) mixing and pulping raw materials required for the preparation of the mobile phone back shell, and preparing a ceramic tape-casting tablet by a tape-casting machine; (2) adding functional elements into the ceramic tape-casting tablet through printing or welding, wherein the functional elements comprise a circuit, a chip, an antenna and an NFC module; (3) laminating one or more ceramic tape-casting tablets added with the functional elements; (4) laminating and compressing the laminated ceramic tape-casting tablets; (5) conducting isostatic pressing processing on the laminated and compressed ceramic tape-casting tablets; (6) discharging rubber of the ceramic tape-casting tablets after isostatic pressing treatment; and (7) sintering the rubber-discharged ceramic tape-casting tablets to obtain a finished product. Accordingly, the present invention also discloses a mobile phone back shell obtained by the above-mentioned method. According to the present invention, the mobile phone back shell is multifunctional, realizes the transition from a traditional appearance element to the functional element, and can be used as a second main board of a mobile phone.

Description

technical field [0001] The invention relates to the field of mobile phone back shells, in particular to a functional mobile phone back shell and a preparation method thereof. Background technique [0002] From the first battlefield mobile phone to the current 4G smartphone, extending to the upcoming 5G era, the functions of mobile phones are becoming more and more powerful. In addition to the telephone function, the role played by the mobile phone in daily life also includes more functions such as PDA, game console, MP3, camera, recording, video camera, and positioning. [0003] While the functions of mobile phones have undergone earth-shaking changes, the corresponding mobile phone back shells are also being updated synchronously. From the initial plastic, to the current coexistence of plastic, glass, metal and other materials, the diversification of mobile phone back cases meets the needs of different customers. However, with the increasing demands of people and the adve...

AI Technical Summary

Problems solved by technology

However, with the increasing demands of people and the advent of the 5G era, people have found that the existing back shell materials are far from meeting the needs. How to develop new materials and add new processes to them to better serve The public becomes more and more important

Plastic has the advantages of low cost, ease of use, and plasticity, and its technology is mature, but its low thermal conductivity, poor texture, and difficulty in grades also limit its further development; metal has a good texture and touch, but the production The process is complicated and the yield rate of finished products is low, which increases the cost virtually. In addition, in the later development of 5G, metal shields the signal, and it is difficult to further develop; high

In the future, when mobile phones enter the 5G era, the number of array antennas will greatly increase. At that time, plastics have a very large loss of microwave signals, and the metal shell itself has a shielding effect on signals. Due to its fragility and design limitations, glass It is also difficult to get full play, and due to the increase in the number of array antennas, it will increase the thickness and size of the mobile phone virtually on the inside of the back shell of the mobile phone and on the main board, which will invisibly bring inconvenience to users.

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