PCB新聞 - 檢查PCB板步驟的相關細節

檢查PCB板步驟的相關細節

1. Whether the PCB outline size is correct;
2. Whether the network is correct;
3. PCB零件號是否與電路圖的零件號一一對應, without repetition or omission;
4. Whether the PCB copper foil spacing meets the safety distance;
5. 銅箔和 PCB板 edge are guaranteed to be >0.5mm; (try to satisfy)
6. 零件主體和 PCB板 edge are guaranteed to be >1mm; (try to meet it as far as possible)
7. Is the packaging of the parts correct; (including size 和 pitch)
8. Whether the layout of parts is reasonable;
9. Whether the key loop routing is optimized;
10. Is the single point grounding correct;
11. Is the distance between high and low voltages too small;
12. Whether the corners are rounded;
13.大型零件LF1上是否有放大墊, T1, L1, 第一季度, 等. 以及輸入和輸出線, or use teardrop pads;
14.Whether a tin bath is added to the input and output wire ends;
15. Whether the SMT component adopts the necking method on the high current copper foil (on the basis of not affecting the amount of current);
16.Whether the wiring adopts the necking method when passing through the capacitor; (except for large current)
17. Do you need to add test pads;
18. Check whether there is a wire passing under the inductor;
19.Whether the traces that can be thickened are thickened;
20.Whether Solder is added to high current copper foil;
21. Is the continuous formatting reasonable;
22. Is the direction of the SMT perpendicular to the contiguous piece (the direction through the tin furnace);
23. 最小化電容器的SMT, 二極體, and Zener tubes as much as possible;
24. Whether the SMT close to the AI pad can be far away;
25.Whether the SMT components close to the SMT IC can be far away;
26. Whether the density of SMT is reasonable;
27.Whether the SMT pad is reasonable;
28. Is the position of the fixed parts correct;
29. Whether the aperture of the part is reasonable;
30. Is the entire AI surface conducive to production;
31.Whether there will be a short circuit with metal parts;
32. Whether the distance between the secondary component and the transformer core is satisfied;
33. Whether there is interference between parts;
34. 電阻是否, diode and other components of the vertical plug may be short-circuited;
35. Whether there is insufficient distance or short circuit when pushing the part with a force of 10N;
36. Is the silk screen MARK of the fuse correct;
37. Whether the fuse silk screen MARK is in the visible position;
38. Whether to add the fuse "warning slogan" silk screen; (additional according to the situation)
39. 是否添加模型名稱, 版本號, design date and design brand;
40. Whether the heat sink is fixed by two or more feet;
41. 會有破洞或銅片破裂嗎?
42. Use Verify Design to check whether there is a short circuit in the copper foil;
43. Is the thickness of the copper foil correct;
44. Is the PCB thickness correct;
45. Gerber檔案是否完整，設定是否正確?

以上是檢查PCB的步驟和內容介紹, Ipcb還提供 PCB製造商 and PCB製造 科技