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1. Technical analysis FPC flexible circuit board
FPC flexible circuit board is also called flexible printed circuit board, or flexible printed circuit board, soft board. According to the definition of IPC, a flexible printed circuit board is a product designed and manufactured on a flexible substrate by means of printing. FPC flexible circuit board is an important type of circuit board.
Text label: FPC, flexible circuit board
FPC flexible circuit board is also called flexible printed circuit board, or flexible printed circuit board, soft board. According to the definition of IPC, a flexible printed circuit board is a product designed and manufactured on a flexible substrate by means of printing. FPC flexible circuit board is an important type of circuit board. Its characteristics are as follows:
(1) FPC flexible circuit board is small in size and light in weight.
(2) FPC flexible circuit board can be moved, bent and twisted.
(3) FPC flexible circuit boards have excellent electrical properties, dielectric properties and heat resistance.
(4) FPC flexible circuit board has high assembly reliability and assembly operability.
(5) FPC flexible circuit board can be connected and installed in three positions.
(6) FPC flexible circuit board is conducive to heat diffusion.
(7) Low cost.
(8) The continuity of processing.
FPC flexible circuit board has small product volume, light weight, greatly reduces the volume of the device, and is suitable for the development of electronic products in the direction of high density, miniaturization, light weight, thinness, and high reliability. It has a high degree of flexibility and can be bent freely., Winding, twisting, folding, three-dimensional wiring, arbitrarily arranged according to the space layout requirements, changing the shape, and moving and stretching in the three-dimensional space arbitrarily, so as to achieve the integration of component assembly and wire connection.
FPC flexible circuit boards have excellent electrical properties, high temperature resistance, and flame resistance. Stable chemical changes, good stability, and high reliability. It has higher assembly reliability, provides convenience for circuit design, and can greatly reduce assembly work It is easy to ensure the performance of the circuit and reduce the cost of the whole machine. Increase its strength by using reinforced materials to obtain additional mechanical stability. The design of soft and hard combination also compensates for the flexible substrate in the component to a certain extent. Slightly insufficient in carrying capacity.
2. Matters needing attention in the production of FPC flexible circuit boards
Due to the particularity of FPC flexible circuit boards, the production process is also different, so today let the flexible circuit board manufacturers briefly introduce you to the precautions in the production process of flexible circuit boards.
Due to the particularity of FPC flexible circuit boards, the production process is also different, so today let the flexible circuit board manufacturers briefly introduce you to the precautions in the production process of flexible circuit boards:
1. Since most of the flexible circuit boards are coiled materials, and the double-sided FPC with through-holes cannot use the RTR process, then the material needs to be processed in sheet form.
2. Generally speaking, the material of the flexible circuit board is very thin, so it is also very fragile. Special attention should be paid to the protection of the material when cutting the material.
3. If the amount of material is small, then it needs to be cut by hand. If the amount is large, it needs to be cut by an automatic slicer.
4. If it is a well-opened material, it is necessary to use equipment to automatically stack it neatly, so as to effectively reduce the phenomenon of pressure pits, creases, and wrinkles.
5. If it is stacked by hand, it is necessary to use gloves that are not easy to lose fibers, preferably latex or the like, to prevent the surface of the material from being contaminated.
6. If the material cut during processing is a copper clad laminate, you also need to pay attention to the rolling direction of the rolled copper.
7. In pre-production design or subsequent processing, the cutting frame cannot be used as the positioning reference for the subsequent process.
