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  • The composition of PCB prices
    Date :2010-4-30


    1, pcb materials used and price of the diversity of different
        To ordinary dual-pane, for example, sheet metal generally fr-4, cem-3, etc., thickness ranging from 0.6mm to 3.0mm, copper thickness from ½ oz to 3 oz difference, all of these in sheet on the cause of a a huge price difference; the solder resist ink, the ordinary heat-sensitive green oil and the oil price there are some differences, which caused the price of materials of different diversity.


    2, pcb manufacturing process used by the diversity of the different causes prices
        Different production processes will have different cost. Such as gold plate and spray tin plate, made form the gong (milling) plate and beer (red) plates, using screen printing line and dry line, and this will form a different cost, resulting in the price of diversity.


    3, pcb itself cause the price of diversity of different difficulty
        Even if the same material, same process, but the pcb itself can also cause a different degree of difficulty of different costs. If the circuit board has two holes 1000, a plate diameter greater than 0.6mm and the other a plate of less than 0.6mm diameter drill hole will form different cost; the same as the other two circuit boards, but the width lines from different, a greater than 0.2mm, a kind of less than 0.2mm, can also cause a different production costs, because the board difficult to scrap the higher rate will inevitably increase costs and cause the price of diversity.


    4, customer requirements will result in different prices in different
        The level of customer mill will directly affect the yield, as a kind of board by ipc-a-600e, class1 required 98% pass rate, but by class3 requirements may be only 90% pass rate, resulting in different costs of mill eventually lead to volatile commodity prices.


    5, pcb manufacturers prices caused by different diversity
        Even if the same product, but because of different process equipment manufacturers, with different skill levels, will form a different cost, nowadays many manufacturers like to produce gold-plated board, because the process is simple, low cost, but some manufacturers to produce gold-plated board, scrap the rise resulting costs, so they prefer to produce spray tin plate, tin plate spray so they offer but lower than in gold plate.


    6, method of payment of price differences caused by different
        Currently pcb mill usually adjusted according to the different ways of payment pcb price ranges from 5% -10%, and thus causing the price difference.


    7, causing the price of the diversity of regional differences
        Currently speaking from the location, from south to north, prices were increasing trend, there are some differences in prices in different regions, thus causing the regional difference is the price of diversity.


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