PCBA board is the finished product of PCB board after SMT patch, DIP plug-in and PCBA test. Almost all electronic products need PCBA board. With the continuous development of the electronic industry, the size of components is getting smaller and smaller, but the density is getting larger and larger. Flexible circuits emerge as the times require.
PCBA board is the finished product of PCB board after SMT patch, DIP plug-in and PCBA test. Almost all electronic products need PCBA board. With the continuous development of the electronic industry, the size of components is getting smaller and smaller, but the density is getting larger and larger. Flexible circuits emerge as the times require.
How to Classify PCBA Board Flexible Circuits and What Benefits
Flexible circuit board, also known as "soft board", is a printed circuit made of flexible insulating substrates. Flexible circuits provide excellent electrical performance, can meet the design needs of smaller and higher density installation, but also help to reduce assembly processes and enhance reliability. Flexible circuit board is the only solution to meet the requirements of miniaturization and mobility of electronic products.
Types of Flexible Circuits
In the past, this interconnection technology was realized by wire interconnection. There are many kinds of flexible circuits:
1. Two-way access flexible circuit, which is a one-sided flexible circuit, is manufactured to connect conductive materials from both sides of the flexible circuit.
2. Double-sided flexible circuit is a kind of circuit with two conductive layers, two conductive layers are located on two sides of the basic layer of the circuit respectively. According to your specific requirements, the two sides of the substrate can form a routing pattern, and the two sides of the routing can be connected through copper-plated through-holes.
3. Multilayer flexible circuit is a combination of several complex interconnected single-sided or double-sided circuits. Shielding technology and surface mounting technology are often used in multilayer design.
4. Rigid-flexible circuit is a combination of advantages of rigid printed circuit board and flexible circuit. Circuits are usually interconnected by plating through-holes between rigid circuit and flexible circuit.
2. Benefits of Flexible Circuits
Flexible circuits have many advantages. One of the main benefits of flexible components is that they can achieve almost error-free wiring, replacing labor-intensive manual wiring. In addition, unlike rigid circuits, flexible circuits can also be designed into complex three-dimensional structures, because they can be bent into various shapes. As the name implies, materials used in flexible circuits can be bent back and forth countless times, which means they can be used for highly repetitive applications, such as printing heads. When PCBA manufacturers need to consider the weight of their products, flexible circuits are a good substitute for rigid circuit boards and conductors, because their dielectric materials and conductor lines are very thin.
With the development of science and technology, it is believed that in the near future, flexible circuits will become smaller and more complex, and the cost of assembly will be higher and higher. So for PCB practitioners, in order to stand in a higher position in the future, they need to constantly understand, learn and master more knowledge about flexible circuits.
