FPC means flexible circuit board in Chinese, which is a highly reliable and very good flexible printed circuit board made of polyimide or polyester film as the base material.

Features: high wiring density, light weight, thin thickness, good bendability

The simple classification of FPC can be divided into the following six categories: single-sided board, ordinary double-sided board, substrate-generated single-sided board, substrate-generated double-sided board, multi-layer board, and soft-hard board.

Single panel:

A single-sided PI copper-clad board material is used to cover a layer of protective film after the circuit is completed to form a flexible circuit board with only a single-layer conductor.

Ordinary double panel:

After the double-sided circuit is completed using the double-sided PI board copper clad material, a protective film is added on both sides to become a circuit board with double-layer conductors.

Substrate to generate single-sided board:

Using pure copper foil material in the circuit manufacturing process, add a layer of protective film on both sides successively to form a circuit board with only a single layer of conductors but exposed conductors on both sides of the circuit board.

Substrate generates double-sided panels:

Two layers of single-sided PI copper-clad board materials are used in the middle to be pressed together with an adhesive that opens a window at a specific position to become a double-sided conductor circuit board that is laminated in a local area and has a two-layer separation structure in the local area to achieve in the delamination area. Boards with high flex performance.

Multi-layer board:

Using single-sided PI copper-clad board material and adhesive as the basic material, it adopts a process similar to that of the substrate to form a double-sided board. After multiple pressings, it becomes a circuit board with a multi-layer conductor structure. It can be designed as a local layered structure to achieve purpose of high flexibility.

Rigid-flex board:

Make use of the flexibility of the soft board and the support of the hard board to form a diversified circuit board.

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