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The following factors will affect the price of FPC flexible circuit boards:
1. The different materials used in FPC flexible circuit boards cause the diversity of prices
Take the ordinary double-sided board as an example. The sheet materials generally include PET, PI, etc. The sheet thickness ranges from 0.0125mm to 0.10mm, and the copper thickness varies from 1/2Oz to 3Oz. Price difference: There is also a certain price difference between different brands of materials, so the difference of materials causes the diversity of prices. The materials generally include PI FCCl copper foil reinforcement materials (NC backing plate blackened copper plating packaging materials, etc.) and other components.
2. The different production processes used in FPC flexible circuit boards cause price diversity
Different PCB production processes will cause different costs. Such as gold-plated boards and tin-sprayed boards, the precision of the shape of the production, the use of silk-screened lines and dry film lines, etc. will cause different costs, resulting in a variety of prices.
3. Price diversity caused by different difficulty of FPC flexible circuit board itself
Even if the material is the same and the process is the same, the different difficulty of the FPC flexible circuit board itself will cause different costs. For example, there are 1000 holes on two kinds of circuit boards, and the hole diameter of one board is larger than 0.6mm and the hole diameter of the other board is smaller than 0.6mm, which will result in different drilling costs; for example, the two kinds of circuit boards are the same, but the line width and line spacing Different, one type is greater than 0.15mm, and one type is less than 0.15mm, which will also cause different production costs, because the difficult board has a higher scrap rate, which will inevitably increase the cost, and thus cause the price diversity.
4. Different customer requirements will also cause different prices
The level of customer requirements will directly affect the production rate of the board factory. For example, a board according to IPC-A-6013, class1 requires a 98% pass rate, but according to class3 requirements, it may only have a pass rate of 90%, resulting in different costs for the board factory., And finally lead to volatile product prices.
5. The price diversity caused by different FPC flexible circuit board manufacturers
Even for the same product, because different PCB manufacturers have different process equipment and technical levels, they will have different costs. Nowadays, many PCB manufacturers like to produce gold-plated boards because of the simple process and low cost. However, some PCB manufacturers produce gold-plated boards and are scrapped. That is to say, the cost increases, so they prefer to produce tin-sprayed panels or tin-plated panels, so their quotation for tin-sprayed panels is lower than that of gold-plated panels.
6. The price difference caused by different payment methods
At present, FPC flexible circuit board manufacturers generally adjust the price of FPC flexible circuit boards according to different payment methods, ranging from 5% to 10%, which also causes price differences.
7. Different regions cause price diversity
At present, in terms of geographical location in China, prices are increasing from south to north, and there are certain differences in prices in different regions. Therefore, different regions also cause price diversification.
8. Different FPC plating methods cause different prices
Partial electroplating is about 15% of full electroplating.
9. The surface treatment method of the golden finger part
The difference between gold plating and tin plating is about 5%.
10. The defect rate in the FPC production process also determines the unit price of FPC
11. The cost of SMT on behalf of customers and the level of defect rate also determine the unit price of FPC
From the above discussion, it is not difficult to see that the price diversity of FPC flexible circuit boards has its inherent inevitable factors. Only a rough evaluation standard can be provided for reference. The actual price shall prevail.
