PCB Blogger-China PCB Factory,HOYOGO

        Under certain high temperature conditions, the resin melt viscosity of the prepreg is closely related to the lamination  technology  of the PCB board.  Optimizing the matching and coordination between the two can significantly improve the appearance and internal performance of multilayer boards   The lamination of multilayer PCB is mainly controlled by pressure, temperature and time. The entire lamination process can be divided into three stages: preheating, holding and cooling. The preheating stage is the key to ensuring PCB board performance and is also the stage for flexible use of different technology conditions. During the preheating stage, the prepreg resin is softened by heating and gradually transforms into a liquid, viscous, or gel state. At the same time, under heating and pressurization conditions, the resin further penetrates and fills the gaps in the glass fibers to complete the lamination exhaust and achieve the initial bondi...

       Multilayer PCB can realize more connections and functions in a small area.   In the multilayer PCB manufacturing process, browning and black oxide removal are common manufacturing technologies, so do you know the difference between these two technologies?   Let's first understand the effects of browning and  black oxide removal   of multilayer PCB -  R oughe n   the copper surface, increas e   the bonding area, and increas e   the surface bonding force.     1.  Black Oxide Removal 1)  Process: PCB Board In → Cleaning Solder Mask → Water Rinsing →Microetching→ Water Rinsing → Black Oxide(First) → Water rinsing → Microetching → Pre-dip → Black Oxide(Second) → Water Rinsing → Baking → PCB Board Out     2)  Advantages: The bonding force of the black oxide removal technology is better than that of the browning technology.     3) Disadvantages: The black oxide removal technology wil...

Nowadays, PCBs are very diversified in the electronics industry .   A lthough the structural design and  technology   manufacturing requirements of general multilayer PCBs are relatively high, and the higher the number of layers,   the greater the difficulty of manufacturing.   But the multilayer PCB is particularly popular, because many complex electronic devices need to use it to realize their functions. Do you know the advantages of using multilayer PCB?       1.  Smaller size Because electronic products are developing towards the trend of  small and precision , the size of PCB is getting smaller and smaller.  One of the most prominent and acclaimed benefits of using multilayer printed circuit boards is their size . Due to the layered design of the multilayer PCB, the size of the multilayer PCB is reduced by increasing the number of layers, so it is smaller than other PCBs with similar functions. This has brought huge benefits to...