What are the factors affecting the quality of the circuit board

In the increasingly fierce market competition at present, PCB manufacturers are trying to reduce the cost, in order to achieve a larger market share, in the pursuit of reducing the cost, often ignore the quality of the circuit board. In order to let customers have a more in-depth understanding of this problem, we specially communicate with senior engineers of Circuit board factory, get some details and even secrets of PCB industry, here to share with you, so that customers can choose circuit board suppliers more rationally.

Circuit board quality problems are generally short circuit break, green oil foaming, green oil off, substrate stratification, board warping, pad off, poor tin and aging circuit board open circuit problems. These common circuit board quality problems, the root cause is that the circuit board factory production process is not up to standard, backward production equipment, poor choice of raw materials, management chaos caused by these aspects.

1: The production process is not qualified. Circuit board production is a relatively high content of science and technology industry, involving electroplating, chemical industry, machinery, and a series of cross-disciplines. Each process of circuit board production must be in accordance with the strict production process to implement the production, at the same time each process must be equipped with the corresponding testing and testing equipment, these process parameters and equipment to ensure the stability of the quality of the circuit board. Undeniably, the circuit board industry is a pollution industry, enter this industry many employees and even the boss is quite a lot of halfway, so many small circuit board factories just care about the price, as long as the cost can be reduced, in the production process and the quality of the circuit board completely do not care. The potion concentration in the electroplating process is a time to change the parameters, different types of circuit boards, the current size and time of the electroplating process is different, these parameters are combined to affect the quality of the circuit board. Only strict production process guidance, according to the process parameters of production, and continuous laboratory inspection, in order to ensure the quality of the circuit board produced in a stable state. If it is organized production by experience, quality problems, by feeling to add potions, which directly leads to the quality of the circuit board is always fluctuating, customers using this circuit board will appear high repair rate, low product rate, the surface looks like the circuit board procurement cost is reduced, in fact, repair maintenance cost greatly increased at the same time, customer brand affected, It doesn't pay off in the long run.

2: Backward production equipment. Equipment is to ensure the quality of hardware, increase the investment in equipment, so that the equipment to achieve high efficiency, stability is the fundamental way to improve the quality of the circuit board. With the progress of science and technology, the circuit equipment is updated faster and faster, the equipment is more and more advanced, of course, the price is more and more expensive. As a result, some Small circuit board factories cannot afford to add more expensive equipment, resulting in greater reliance on employees. Now the cost of labor is already high, once the formation of skilled and skilled staff to form dependence, the management difficulty of the circuit board factory will be greatly increased, once the personnel flow, the quality of the circuit board will fluctuate.

3: Raw material selection is cheap and inferior. The quality of raw materials is the cornerstone of the quality of the circuit board. If the material itself is not qualified, the PCB circuit board will appear foaming, delamination, cracking, board warping and uneven thickness. Now more hidden is that some circuit board factory materials are mixed, part is genuine board material, part is side material, in order to dilute the cost, the hidden danger of doing so is that you do not know which batch of times will have problems. Because of the different characteristics of the use of circuit boards, some circuit boards are not high requirements, so some edge materials used in this occasion and do not show obvious problems, which let a lot of circuit board factories such practice muddle through, at the same time because of the low price also won the preference of customers. More encourage the circuit board factory to continue to take such risks. In the long run, if the substrate problem leads to the quality of the finished product, it is often a huge loss, and sometimes it is unable to recover the reputation and brand of the enterprise. This is also the reason why regular circuit board manufacturers will not do so.

4: Management chaos. Circuit board factory production process, long cycle, how to achieve scientific and orderly management, but also reduce management costs this is a difficult problem, is good management, control, tube cheap, which requires the long-term accumulation of Circuit board manufacturers. With the progress of science and technology, especially the development of network, it is possible to manage the traditional circuit board factory by means of network information. In this respect to make a breakthrough in order to form the core competitiveness. Bad management of the factory, the quality of the circuit board will naturally often fluctuate, a variety of problems emerge in endlessly, recurring.