PCB copper -covering board grade division

　　1. FR-4 A1 Copper Copy Copper Board This class is mainly used in electronic products such as military industry, communication, computers, digital circuits, industrial instruments, automotive circuits and other electronic products. The quality of this series of products has completely reached the world -class level, and it is the company with the highest grade and best performance.

　　2. FR-4 A2 Copper Cover Copper Plate. This level is mainly used for ordinary computers, instrumentations, senior home appliances and general electronic products. This series of copper -covering plates are widely used, and various performance indicators can meet the needs of general industrial electronic products. There is a good price performance ratio. Can enable customers to effectively improve price competitiveness.

　　3. FR-4 A3 Copper Crystal Copper Copper is a FR-4 product developed and produced for the company's home appliance industry, computer peripheral products and ordinary electronic products (such as toys, calculators, game machines, etc.). It is characterized by the premise of performance satisfaction, the price is extremely competitive.

　　4. FR-4 AB Copy Copper Board This level is a unique low-end product in our company. However, various performance indicators can still meet the needs of ordinary home appliances, computers and general electronic products. Its price is the most competitive, and the performance ratio is also quite good.

　　5. FR-4 B-level copper-covered copper plate. This level of board belongs to the company's secondary board. The quality stability is poor and it is not suitable for a larger line board product. Generally, it is suitable for products with a size of 100mmx200mm. It is the lowest price, but customers should pay attention to choosing to use.

　　6.CEM-3 series of copper-covering copper plates have three substrate colors produced by the company, namely white, black and natural color. It is mainly used in computer, LED industry, clocks, general appliances and ordinary electronic products (such as VCD, DVD, toys, game machines, etc.). Its main feature is PCB products that are well -perforated and suitable for large quantities that require stamping process. This series of products has three quality -level products: A1, A2, and A3. Customers with different requirements can choose to use.