Soft and hard flexible circuit board and manufacturing method thereof

Abstract

The invention relates to the technical field of flexible circuit boards, in particular to a soft and hard flexible circuit board and a manufacturing method thereof. The soft and hard flexible circuitboard comprises a first flexible substrate, several grooves are transversely formed in the surface of the first flexible substrate and are internally provided with hard circuit boards, one side of each hard circuit board is provided with adhesive glue adhering to the bottom face of the corresponding groove, several conducting circuits are printed on the surface of the first flexible substrate andare connected with the hard circuit boards, mounting grooves are subjected to laser cutting in the surfaces of the hard circuit boards, flexible electrode sheets are installed in the mounting grooves,second flexible substrates are subjected to hot-pressing on the side, away from the flexible electrode sheets, of the substrate, and connecting electrode sheets are arranged at the portions, corresponding to the flexible electrode sheets, of the second flexible substrates, and are connected with the flexible electrode sheets. The soft and hard flexible circuit board which is bonded by the hard circuit boards and the flexible substrates is adopted, the overall manufacturing cost is low, the using effect is good, a dual-layer flexible substrate is utilized, the overall flexibility is improved,the anti-tearing effect is improved, and the practicability is high.

Description

technical field [0001] The invention relates to the technical field of flexible circuit boards, in particular to a rigid-flex flexible circuit board and a manufacturing method thereof. Background technique [0002] With the development of electronic equipment, especially the development trend of electronic equipment such as mobile phones and digital cameras towards lightness, thinness, shortness and smallness, the only way to reduce the volume of finished products is to reduce parts or combine parts into modules. Realization, the characteristics of the soft-rigid circuit board just meet these requirements. It can effectively use the installation space, realize three-dimensional assembly, reduce installation costs, and can replace plug-ins, and can ensure reliability in shock, humidity and other environments. It has the characteristics of flexible boards, so due to its significant advantages, it has more and more application prospects, especially in aerospace and military fi...

AI Technical Summary

Problems solved by technology

[0004] At present, due to the cumbersome and complicated manufacturing process of flexible and rigid circuit boards, it is difficult to improve the production quality, and it is difficult to eradicate various defects, such as: high manufacturing cost, insufficient overall flexibility, poor tear resistance and poor use effect, etc. there is a problem that needs to be solved

Images