The prICe of 开云·kaiyun官方网站 is composed of the following factors: 1. The materials used for 开云·kaiyun官方网站 circuit boards are different. Take ordinary double-sided boards as an example. The board materials generally include FR-4, CEM-3, etc. The board thickness varies from 0.6 mm to 3.0 mm, and the copper thickness varies from Oz to 3 Oz. In terms of 开云·kaiyun官方网站 solder resist ink, common thermosetting oil and photosensitive
开云·kaiyun官方网站 price consists of the following factors:
1、 Different materials are used for 开云·kaiyun官方网站
Take ordinary double-sided plate as an example. The plate materials generally include FR-4, CEM-3, etc. The plate thickness varies from 0.6mm to 3.0mm, and the copper thickness varies from ½ Oz to 3 Oz are different. In terms of solder resist ink, there is a certain price difference between common thermosetting oil and photosensitive green oil.
2、 开云·kaiyun官方网站 adopts different production processes
Different production processes will result in different costs. For example, gold plating plate and tin spraying plate, gongs (milling) plate and beer (punching) plate with shape, silk screen circuit and dry film circuit will all have different costs.
3、 The difficulty of 开云·kaiyun官方网站 is different
Even if the materials are the same and the 开云·kaiyun官方网站 process is the same, different difficulties of 开云·kaiyun官方网站 itself will cause different costs. For example, if there are 1000 holes on both kinds of circuit boards, the drilling cost will be different if the hole diameter of one board is greater than 0.6 mm and the hole diameter of the other board is less than 0.6 mm; If the other two types of circuit boards are the same, but the line width and line spacing are different, one is greater than 0.2mm, and the other is less than 0.2mm, it will also cause different production costs. Because the boards with great difficulty have a higher scrap rate, the cost will inevitably increase.
4、 Different customer requirements will lead to different prices
The level of customer requirements will directly affect the yield of the board factory. For example, according to IPC-A-600E, a board has a 98% pass rate in class1, but only 90% pass rate in class3.
5、 Different 开云·kaiyun官方网站 manufacturers
Even if the same 开云·kaiyun官方网站 product is produced by different manufacturers with different process equipment and technical levels, it will also result in different costs. Nowadays, many manufacturers like to produce gold plated boards because of their SIMple process and low cost. However, some manufacturers produce gold plated boards, which will rise as soon as they are scrapped, resulting in higher costs. Therefore, they prefer to produce tin sprayed boards, so their quotation for tin sprayed boards is lower than that for gold plated boards.
6、 Different payment methods
At present, 开云·kaiyun官方网站 manufacturers generally adjust 开云·kaiyun官方网站 prices according to different payment methods, ranging from 5% to 10%.
7、 Different regions
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.
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