nrf2401-usb_fs1_0_published.drr

很全面的文档nrf2401与usb接口

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NC Drill File Report For :  E:\Protel\nRF2401\USB-DEMO\AN2135 Sol\PCB\nRF2401-USB_FS1_0_Published.PCB   14-Oct-2003  09:58:43
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Layer Pair : Top Layer to Bottom Layer
ASCII File : E:\Protel\nRF2401\USB-DEMO\AN2135 Sol\PCB\nRF2401-USB_FS1_0_Published.TXT
EIA File   : E:\Protel\nRF2401\USB-DEMO\AN2135 Sol\PCB\nRF2401-USB_FS1_0_Published.DRL

Tool         Hole Size          Hole Count Plated       Tool Travel
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T1        20mil (0.508mm)          59               21.03 Inch (534.12 mm)
T2        37mil (0.9398mm)         4                13.89 Inch (352.87 mm)
T3        43mil (1.0922mm)         2                13.81 Inch (350.69 mm)
T4        91mil (2.3114mm)         2                13.95 Inch (354.42 mm)
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Totals                             67               62.68 Inch (1592.10 mm)

Total Processing Time : 00:00:00