From the CAD Library: Land Calculation

 Thanks to Tom Hausser from Mentor Graphics for a detailed explanation of how to use the land calculator in IPC-7351B, Generic Requirements for Surface Mount Design and Land Pattern Standards, in today’s Inside Design newsletter:

IPC-7351B for SMT technology defines the rules for creating optimized land pattern CAD library parts using a three-tier system: Least (high density), Nominal (controlled environment) and Most (ruggedized and shock resistant). Many PCB designers and CAD librarians have heard about the IPC-7351B standard, but few people know how it works. The IPC LP Calculator has made life easy for the PCB design industry by automatically generating accurate land pattern data derived from component dimensions. 

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