Flex PCB is Flexible Printed Circuit Board, abbreviated FPC, also known as flexible circuit board, or flexible board.According to the definition of IPC, flexible printed circuit board is a printed circuit designed and manufactured on flexible substrate.
Flexible circuit board is one of the important varieties of PCB.
FPC board is generally range
Blind and buried via PCB came by high density and high precision electronic products requirement.
Buried via is interior vias between top layer and bottom layer,it can not see after pressing,so don’t have to occupy the outer layer area.
The blind via is non-drilled vias,it can be seen at one surface side
Many newhands are curious Why the common single impedance controlled by 50 ohms instead of 40 ohms or 60 ohms?
First of all, 50 ohm has a certain historical origin, it must be mentioned from the standard cable. As we all know, a great part of modern electronic technology is derived from the army
When we design a project, we care more about layout and wiring, and often ignore the additional PCB manufacturing costs in the design. Here are some of the factors that affect PCB prices in the design and avoid increasing costs to customers.
PCB Layers number:layers good for layout, but the price
PCB circuit board has become the most important part of electronic products as its carrier of various components and signal transmission,PCB quality and reliability determines the quality and reliability of the whole machine.
With the miniaturization of electronic products and environmental protection requirements of lead-free and halogen-free,PCB also develops towards high-density,
With the rapid development of mobile phone,electronics,telecommunications and other industries continue to grow and also prompted the PCB circuit board industry quantity at the same time ,people requirements are more and more high in components of number,weight,color,material,precison and reliability.
However,due to the fierce competition in the market price,the cost of PCB
There is a storage time after PCB complete manufacture.it need be baked if more than storage time,otherwise there easy occur burst board problems when make SMT.The storage time of PCB and the temperature and time of baking PCB are standard in industry.
Regulation of PCB control
PCB unpacking and storage
(a.) PCBs
Flex Printed Circuit(FPC) Plating
It may have adhesive or ink pollution on exposed copper conductor surface after FPC coating process when FPC plating pre-processing. There will be oxidation,discoloration due to high temperature process.we must remove the contamination and oxide layer of conductor surface in order to obtain a good adhesion of close
Flexible printed circuit boards are more classification methods.According to FPC layer can be divided into: single-sided,double-sided,multilayer and Rigid-Flex PCB. Flexible printed circuit boards(FPCs) market share continues to rise as electronic products tend to miniaturization and lightness. But Flexible printed circuit boards(FPCs) frequently occur breaking, short circuit,line width incorrect defects in
Many PCB designers think the silkscreen legend is not as important as circuit,so they didn’t care about the legend dimension and place position.As a PCB expert, we should consider these particular details.There are some tips for those new PCB designers.
PCB silkscreen automatical machine
The standard design of PCB Silkscreen:
Oil printing: The
