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Note on pcb outsourcing processing

Time:2021-08-12 10:37

Wires:  
1. Minimum line spacing: 6mil (0.153mm). Minimum line spacing, that is, the line to line, line to pad distance of not less than 6mil from the production point of view, is the greater the better, generally in the conventional 10mil, of course, the design conditions, the greater the better this point is very important, the design must be considered;  
 
2. Strip wire gram: 6mil (0.153mm ). That is, if less than Fml line competition will not be able to produce, (multilayer board line width line spacing is the minimum of 8MIL ) If the design conditions permit, the larger the design the better line width from large, we Huaqiang PCB factory the better production, the higher the yield general design routine in about 10mil this point is very important, the design - must be considered;  
 
3. line to the shape of the line spacing 0.508mm (20mi);  
 
PAD pad (is commonly known as the plug-in hole (PTH) ):  
 
1, plug-in hole (PTH) pad outer ring single side can not be less than 0.2mm (8mil), of course, the larger the better this point is very important, the design must be considered;  
 
2, plug-in hole (PTH) hole to hole spacing (hole edge to hole edge) can not be less than: 0.3mm of course, the larger the better this point is very important, the design must be considered;  
 
3. plug-in hole size depending on your components to determine, but must be greater than your component pins, it is recommended that greater than at least 0.2mm above the component pins, that is, 0.6, you have to design at least 0.8, to prevent processing tolerances and lead to difficult to insert;  
 
4, welding: disk to the shape of the line spacing 0.508mm (20mil)  
Line board outsourcing processing
pcb manufacturers
Anti-soldering:  
 
1. plug-in hole window, SMD window can not be less than 0.1mm (4mil) on one side  
 
Character (character design, directly affects the production, whether the character is clear to character design is very relevant):. Character character width can not be less than 0.153mm (6mil), word height can not be less than 0.811mm (32mil) width than height ratio is best for the relationship of 5 also means that the word width of 0.2mm word height of 1mm, non-metallized slot hole slot hole minimum spacing of not less than 1.6mm or will greatly increase the difficulty of milling edge  
 
Plate: the plate has no gap plate, and the gap plate, the gap plate gap should not be less than 1.6 (plate thickness of 1.6) mm or will greatly increase the difficulty of milling edge plate size depending on the equipment is not - the same, no gap plate gap of 0.5mm or so process edge can not be less than 5mm;

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