
Multilayer circuit board factory: the manufacturer's plate making ability
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- Time of issue:2020-09-08 16:27
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Multilayer circuit board factory: the manufacturer's plate making ability
I don’t know if you have noticed that on the websites of most multilayer circuit board factories, we always see the "processing capacity" column, which seems to indicate the strength of the multilayer circuit board factories. Out of the curiosity of the melon eater, what factors determine the processing capacity of the multilayer circuit board factory?
1. Number of layers and boards
Attention should be paid to the maximum number of layers, surface treatment process, board thickness range, board thickness tolerance and board type. At the same time, appropriate design software should be used to ensure the quality of PCB multilayer circuit board factory production.
Combining these aspects with each other, if the final display process of the circuit board is exquisite, it means that the multi-layer circuit board factory has a higher processing capacity and can guarantee the quality of the circuit board.
2. Line graphics
Line types include minimum line width and line spacing, minimum network line width and line spacing, minimum etched font width, minimum BGA and pads, internal and external copper thickness of the finished product, and the spacing and outline between traces. Only by understanding and familiarizing with these parameters can high-quality circuit graphics be obtained.
3. Drilling and modeling
The details that should be paid attention to when drilling are the same as the line type mentioned in the first point. In terms of shape, attention should be paid to the smallest grooving knife, the largest size and V-CUT to ensure the shape is complete and clean.
4. Characters and craftsmanship
In terms of characters, the minimum character width, height, line width, patch character frame distance, and solder mask spacing should be mastered; during processing, attention should be paid to peeling strength, flame retardancy, impedance type and special processes.
5. Solder mask and puzzle
There are many types of solder mask. The solder mask bridging should be familiar with the design spacing between pads. For PCB layout, you should pay attention to the gap problem, and be familiar with PCB half-hole board layout rules and various types of assembly and delivery.
The evaluation system of the circuit board factory should follow the following principles
The use of soft and hard circuit boards?
Soft and hard circuit board production process
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