Multi-layer 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 power" column, which seems to indicate the strength of the multilayer circuit board factory. Out of the curiosity of melon eaters, what factors determine the processing capacity of a multi-layer circuit board factory?
1. Number of layers and number of boards
Attention should be paid to the maximum number of layers, surface treatment process, thickness range of boards, thickness tolerance of boards and types of boards. At the same time, appropriate design software should be used to ensure the quality of PCB multi-layer circuit board factory production.
Combine these aspects with each other. If the final display of the circuit board is exquisite, it means that the multilayer circuit board factory has a higher processing capacity and can ensure the quality of the circuit board.
2. Line drawing
Line type includes minimum line width and line spacing, minimum network line width and line spacing, minimum etching font width, minimum BGA and pad, internal and external copper thickness of the finished product, and spacing and contour between traces. Only by understanding and being familiar with these parameters can we obtain high-quality circuit graphics.
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 slotting knife, maximum size and V-CUT to ensure that the shape is complete and clean.
4. Characters and Craft
In terms of characters, the minimum character width, height, line width and patch character frame distance, and solder resist layer spacing should be mastered; attention should be paid to peel strength, flame retardancy, resistance type and special process during processing.
5. Solder mask and puzzle
There are many types of solder mask. 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 the PCB half-plate layout rules and various types of assembly and delivery.
multilayer circuit board factory
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