From Table 6-1 (simplified):
The establishes the annular ring requirements. It dictates that the pad must extend beyond the drilled hole by a specific minimum distance (typically 0.05mm for Level A OEMs, 0.1mm for Level B general use, and 0.25mm for Level C prototypes).
This report explores:
IPC-2221 defines "Electrical Clearance"—the minimum distance between conductors to prevent arcing.
From Table 6-1 (simplified):
The establishes the annular ring requirements. It dictates that the pad must extend beyond the drilled hole by a specific minimum distance (typically 0.05mm for Level A OEMs, 0.1mm for Level B general use, and 0.25mm for Level C prototypes). Ipc-2221 Pcb Design Pdf
This report explores:
IPC-2221 defines "Electrical Clearance"—the minimum distance between conductors to prevent arcing. From Table 6-1 (simplified): The establishes the annular