The related cost of PCBA processing is introduced
How to choose PCBA processing manufacturers: first, whether there is a standard procedure flow; Second, whether the standard is implemented; Third, the time of delivery
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The global industrial center of PCB is shifting to Asia
The global PCB industry is mainly distributed in China, Taiwan, Japan, South Korea, Europe and the United States. With the transfer of global PCB production capacity to China in recent years, China has become the world's largest PCB industry output region
Technical standard for coating PCBA circuit boards with three anti - paint
PCBA three anti paint coating methods: 1, impregnation, 2, spraying, 3, brush coating, 4, selective coating
pcb multilayer board and double-sided pcb board these differences you know
Large scale, top ranking PCB enterprises mainly produce large batch board, PCB enterprises positioned in small batch board are relatively few, in addition to the company, the domestic production of small batch board representative enterprises mainly Chong
Different materials of pcb board originally have these differences
During heat treatment, the material's mechanical strength, dimensional stability, adhesion, water absorption, thermal cracking, expansion performance and other aspects are different, high density products are obviously better than ordinary PCB substrate.
pcb engineering design
the printed circuit board has entered the stage of surface installation and chip installation, and the process requirements are increasing, so the warping requirements of the circuit board are becoming higher and higher. Therefore, we have to find out the
pcb board deformation after the original existence of these hazards
The pressing process of printed circuit board is the main process of generating thermal stress. Similar to the pressing process of copper clad plate, it will also produce local stress caused by inconsistency in the curing process. The printed circuit boar
Why does pcb board need to position and prevent stay
The following is a calculation example of the position accuracy of the intermediate component of PCB board in the following two positions (the position accuracy calculation of the length direction is only taken as an example, and the width direction is no
What is the obvious difference between pcb board and aluminum substrate
With moisture-proof, anti-corrosion, shock-proof, protection function. Now, you know why to apply three anti-rubber on the circuit board, have the need of small partners do not quickly act.
How to design a pcb board
For the fabrication of circuit boards, the more layers, the more complex the process, the higher the failure rate of course, the higher the cost, so the multilayer board can only be used for advanced circuits.
What is the patina of pcb board? It could be three things
the color of the circuit board has attracted the attention of the industry, mainly because the color design of many high-end circuit boards are made of green, so people slowly believe that the color of the circuit board is green must be high-end.
Is pcb board color important to it? Do different colors serve different functions
It is the latest development in PCB testing technology. It uses a laser beam to scan the printed board, collect all the measurements, and compare the actual measurements with preset qualifying limits.
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