ASSOCIATIONCONNECTINGELECTRONICSINDUSTRIESIPC-anicPrintedBoardsANSI/IPC-2222February1998AstandarddevelopedbyIPCSupersedesIPC-D-2752215SandersRoad,Northbrook,IL60062-’mitteeadoptedPrinciplesofStandardizationStandardizationasaguidingprincipleofIPC’:Stand
如何依照IPC-7251,IPC-2222和IPC-2221标准计算PTH孔和焊盘直径的尺寸.pdf,如何依照 IPC-7251,IPC-2222和 IPC-2221标准计 算 PTH 孔和焊盘直径的尺寸? 译自:/tutorials/how-to-calculate-pth-hole-and-pad-diameter-sizes-according-to-ipc-7251-ipc-2222-and-ipc-2221-s