source:Industry News release time:2022-08-12 Article author:yu Popular:pcb
Generally speaking, PCB circuit board design is based on the circuit schematic diagram, which is used to achieve the purpose and function required by the circuit designer. Of course, such a PCB circuit board design also requires the designer's accumulation of experience over the years. How does the board factory produce high-quality products? The editor of Zhongke Circuit Board Factory believes that there are the following aspects.
1. Design of electric stratum
Generally speaking, the Shenzhen circuit board factory with good reputation and excellent service will design its electrical stratum as a power supply in the form of flower pads. The stratum is opposite to the image on the actual printed board. All connections will be isolated lines. Here, by the way, you should be extra careful when drawing the isolation lines for several groups of power supplies or several grounds, so as not to leave gaps, otherwise it will cause two sets of power supplies to be short-circuited, and of course, the area of the connection should not be blocked.
Second, the overlapping technology of the circuit board factory pads
The overlap of the pads represents the overlap of the holes. During the drilling process, the Shenzhen circuit board factory will break the drill bit due to multiple drilling in the same place, resulting in damage to the hole. Therefore, which product of Shenzhen circuit board factory is better, then the overlap of its holes must be inspected layer by layer.
3. Surface mount device pad technology
Surface mount device pad technology is for on-off testing. For very dense surface mount devices, the distance between the two feet is very small, and its pads are also extremely thin. When it is used, it must be staggered up and down, left and right, so as to ensure the high quality of the circuit board to a higher degree, and for the circuit board company that has passed the quality certification, his surface mount device pads will not be too short.
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