PCB Blogger-China PCB Factory,HOYOGO

It is expected that the PCB industry will grow at a strong rate in the next five years, and many industries will also receive higher demand for PCBs from circuit board manufacturers, such as the growth of the automotive industry. With the rapid increase in the number of vehicles purchased by each family in the country, the obsolete old cars have also been replaced by newer models worldwide, and the number of cars in developing communities has expanded. It can be seen that the demand for vehicles has increased significantly.     For PCBs in the automotive industry, circuit board manufacturers must meet some very strict requirements when manufacturing. The PCB must be durable, reliable, and able to operate under the harsh conditions of the entire vehicle life cycle. These circuit boards can be used in passenger cars, heavy and light trucks, trailers, and subassemblies of large automotive equipment. Automotive PCBs are necessary to maintain equipment performance and integrate electronic c

The rapid development of mobile phones, electronics, communications and other industries has also driven the rapid growth of the PCB circuit board industry. Due to the increasing demand for electronic products, people have increasingly higher requirements on the number of components, weight, accuracy, materials, colors and reliability.     However, due to the fierce market price competition, the cost of PCB board materials is also rising. More and more circuit board manufacturers monopolize the market at low prices in order to enhance their core competitiveness. However, behind these ultra-low prices, they are obtained by reducing material costs and manufacturing costs, but devices are usually prone to cracks and are easily scratched. The comprehensive factors such as accuracy and performance have not yet reached the standard, which seriously affects the solderability and reliability used in the product, etc.     Facing various PCB circuit boards on the market, you can start from two a

First. One of the main advantages of deposited copper is its lower ground impedance. A large part of the so-called anti-interference is caused by the reduction in ground impedance. It is generally believed that for circuits composed entirely of digital equipment, a large areas of ground should be laid. For analog circuits, in addition to high-frequency circuits, the ground loop formed by deposited copper can also cause electromagnetic coupling interference. So, not all circuits need to deposit copper. In addition, the performance of mesh copper deposition is superior to filled copper deposition.   The significance of placing polygon planes on a circuit is:  1. Connect deposited copper and ground wire to reduce loop area. 2. Copper deposited over a large area is equivalent to reducing the resistance of the ground wire and reducing the voltage drop.  From these two points, whether it is digital ground or analog ground, copper should be deposited to improve the anti-interference ability.

1. Circuit Layer Generally, electrolytic copper foil is etched to form a printed circuit for assembly and connection of devices. Compared with the traditional FR-4, using the same thickness and the same line width, the aluminum substrate can carry higher current.     2. Insulation layer It is the core technology of the aluminum substrate, which mainly plays the role of adhesion, insulation and heat conduction. The aluminum substrate insulation layer is the largest thermal insulation layer in the power module structure. The better the thermal conductivity of the insulating layer, the more beneficial it is to the diffusion of heat generated during the operation of the device, and the lower the operating temperature of the device to increase the power is more favorable. The load of the module reduces the volume, extends the life, and increases the power output. A typical motor controller module uses a large number of heat sinks, thermal interface materials, and other accessories. The modu