How to distinguish the quality of PCB circuit board production?
With the rapid development of mobile phones, electronics, and communication industries, the PCB circuit board industry continues to grow and grow rapidly. At the same time, people have higher and higher requirements for the number of layers, weight, precision, materials, colors, and reliability of PCBs.
However, due to fierce market price competition, the cost of PCB board materials is also on the rise. More and more manufacturers are monopolizing the market at low prices in order to enhance their core competitiveness. However, behind these ultra-low prices, it is obtained by reducing material costs and process manufacturing costs, which makes PCBs prone to cracks (cracks), easy to scratch, (or scratches), and its precision, performance and other comprehensive factors are not up to standard. Will seriously affect the solderability and reliability of the product and so on.
In the face of all kinds of PCB circuit boards on the market, there are two ways to distinguish the quality of PCB circuit boards:
One method is to distinguish and judge from the appearance, and the other is to judge from the quality specification requirements of the PCB board itself.
The method of judging the quality of PCB circuit board:
First, the production of circuit boards can distinguish the quality of circuit boards from the appearance
In general, the appearance of PCB circuit board can be analyzed and judged by three aspects:
1. Standard rules for size and thickness
The thickness of the circuit board is different from the standard circuit board. Customers can measure and check according to the thickness and specifications of their own products.
2. Light and color
The external circuit board is covered with ink, and the circuit board can play the role of insulation. If the color of the board is not bright, there is less ink, and the insulation board itself is not good.
3. Weld appearance
Due to the large number of parts on the circuit board, if the welding is not good, the circuit board with parts that are easy to fall off will seriously affect the welding quality of the circuit board. It is very important to have a good appearance, carefully identify it, and a strong interface.
