What is New in IPC-7351C.pdf - 第5页

PC B L ibr ar i es Pr e s ents : Wh at is N ew i n IPC- 7351C IPC-7 351 C Pr oport iona l P ad S ta cks No 3-Tie r Libr ar y S ys t em

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PCB Libraries Presents:
What is New in IPC-7351C
3-Tier Pad Stack Concept
Proportional Pad Stack
Small Hole
Large
Hole
Same Annular Ring
Proportional
Annular Ring
PCB Libraries Presents:
What is New in IPC-7351C
IPC-7351C Proportional Pad Stacks
No 3-Tier Library System
PCB Libraries Presents:
What is New in IPC-7351C
IPC-7351C Proportional Pad Stacks