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With the continuous development of electronic products, the performance requirements for circuit boards are getting higher and higher. Multilayer PCB circuit boards are increasingly favored by the market because of their higher signal transmission rate, lower signal loss and better heat dissipation performance and other advantages. In the production process of multilayer PCB circuit boards, immersion gold process is a common surface treatment method, can improve the conductivity of the circuit board, corrosion resistance and solderability. So, how is the price of multilayer PCB circuit board gold immersion process calculated? This article will provide you with a detailed introduction. 1. Material costs The main materials for the gold immersion process are gold salts and chemical plating solutions. The price of gold salt will be affected by the international gold price, while the price of chemical plating solution depends on its composition and brand. In addition, the cost of other auxiliary materials, such as deionized water, stabilizers, etc., need to be considered. 2. Depreciation cost of equipment The gold immersion process requires the use of specialized plating equipment, including plating tanks, power supplies, filtration systems and so on. The purchase cost of these equipments is high, so when calculating the price of gold immersion process, the depreciation cost of the equipments should be taken into account. 3. Labor cost The operation process of gold-immersion process is relatively complex, need to go through pre-treatment, electroplating, post-treatment and other steps. Each step requires specialized operators to operate and maintain. Therefore, labor cost is also an important factor affecting the price of immersion gold process. 4. Energy consumption cost Immersion gold process needs to consume a lot of electricity in the production process. Therefore, when calculating the price of gold immersion process, energy consumption costs also need to be taken into account. This part of the cost is usually calculated according to the standard of electricity. 5. Environmental treatment cost The gold sinking process will produce a certain amount of wastewater, waste gas and waste residue and other pollutants in the production process. In order to protect the environment, enterprises need to treat these pollutants. Environmental treatment costs are usually calculated in accordance with local government fees. The price of the multi-layer PCB circuit board gold sinking process mainly includes material costs, equipment depreciation costs, labor costs, energy consumption costs and environmental treatment costs and other aspects. In practice, companies also need to develop a reasonable price strategy based on their own cost structure and market competitiveness. At the same time, customers should also fully understand the impact of various factors when choosing the gold sinking process in order to make a wise decision.