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What factors affect the price of flexible PCB?

What factors affect the price of flexible PCB?

flexible PCB
1、 Different materials used in flexible PCB lead to price diversity
 
Take the common Double Sided Flexible PCB as an example, the sheet materials generally include pet, PI, etc., the thickness of substrate varies from 0.0125 mm to 0.10 mm, and the thickness of copper varies from 1 / 2 oz to 3 oz, all of which cause a huge price difference on the substrate; there is a certain price difference between different brands of materials, so the price diversity is caused by different materials. Materials generally include PI FCCL copper foil, reinforcement materials (NC backing plate blackened copper plating packaging materials, etc.).
 
2、 The different production process of flexible circuit board leads to the diversity of price
 
Different production processes will cause different costs. For example, gold-plated FPC and tin sprayed FPC, the accuracy of the production shape, the use of silk screen and dry film lines, etc., will form different costs, leading to price diversity.
 
3、 Price diversity caused by different difficulty of flexible circuit board
 
Even if the materials are the same and the process is the same, the different difficulty of the flexible circuit board itself will lead to different costs. If there are 1000 holes on two kinds of circuit boards, the hole diameter of one board is greater than 0.6 mm and that of the other board is less than 0.6 mm, there will be different drilling costs; if the other two kinds of circuit boards are the same, but the line width and line spacing are different, one is greater than 0.15 mm, and the other is less than 0.15 mm, which will also lead to different production costs, because the waste rate of the board with great difficulty is higher, which will inevitably increase the cost This leads to price diversity.
 
4、 Different customer requirements will also lead to different prices
 
The level of customer requirements will directly affect the product rate of the plate factory. For example, according to ipc-a-6013 and Class1, the qualified rate of a kind of plate is 98%, but according to the requirements of class 3, the qualified rate may be only 90%. Therefore, different costs of the plate factory will be caused, and finally the product price will be changeable.
 
5、 Price diversity caused by different manufacturers of flexible circuit board
 
Even for the same product, different manufacturers have different technology equipment and technical level, which will lead to different costs. Nowadays, many manufacturers like to produce gold-plated PCB. Because the process is simple and the cost is low, some manufacturers produce gold-plated PCB, and the scrap increases, resulting in higher cost. Therefore, they prefer to produce HASL PCB, so their quotation for HASL PCB is better than that for plating Gold PCB is low.

6、 Price difference caused by different payment methods
 
At present, flexible circuit board manufacturers generally adjust the price of flexible circuit board according to different payment methods, ranging from 5% to 10%, which also causes price differences.
 
7、 Different electroplating methods lead to different prices
 
The partial plating is high and the overall plating is about 15%.
 
8、 Surface treatment of golden finger
 
The difference between gold plating and ENIG is about 5%
 
9: The bad rate in the production process of FPC also determines the unit price of FPC
 
10: The cost of SMT on behalf of customers and the defect rate also determine the unit price of FPC
 
Through the above discussion, it is not difficult to see that the diversity of FPC price has its inherent inevitable factors. I can only provide a rough price range for reference. The specific price shall be subject to the actual price.

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