导航
How to calculate SMT chip price? Generally, the quantity and type of materials shall be calculated according to the BOM allocation sheet, and the sum shall be calculated according to the formula. Refer to the following table (the solder paste of cons
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Under the threat of new crowns with the spread of lung infections and many cities, it is difficult for the company to start an objective problem. This brings harm to the industrial chain. Especially in the upper and lower reaches of the manufacturers
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The PCB design is a compulsory course for electronic engineers, and it is not so easy to design a perfect PCB. An ultimate PCB must not only ensure the effective selection and set of components but also have excellent signal transmission performance
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The seller can sell these products at ease and the consumer can use them safely. Now, as a small editor who has been focusing on PCB industry for many years, I want to talk about the key points of PCB preservation.
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The process window is usually used to describe the limit range of available process parameters. It is a professional term for the concept of "user specification range (usl-lsl)" in the field of SMT process.
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With the effective promotion of China's epidemic prevention work, the problems brought by the epidemic to the PCB industry end have obviously begun to improve. However, the epidemic in Europe, America and Japan and South Korea is getting worse
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