What is New in IPC-7351C.pdf - 第14页
PC B L ibr ar i es Pr e s ents : Wh at is N ew i n IPC- 7351C I PC -7351 B R e c t angula r Cour ty ar ds Th e r e c omm e nde d c our tyar d o utl in e line wi dth s are 0. 05 m m or 0 .01 mm
PCB Libraries Presents:
What is New in IPC-7351C
3-Tier Silkscreen Outlines
• The recommended guidelines for 3-Tier line widths and
Silkscreen to Pad Gap are illustrated in the pictures below
representing a SOT23-6 component package
• The Silkscreen to Pad Clearance is the same as the Line Width
Least Density Level
0.10 mm Line Width
Nominal Density Level
0.12 mm Line Width
Most Density Level
0.15 mm Line Width
PCB Libraries Presents:
What is New in IPC-7351C
IPC-7351B Rectangular Courtyards
The recommended courtyard outline line widths are 0.05 mm or 0.01 mm
PCB Libraries Presents:
What is New in IPC-7351C
IPC-7351C Contour Courtyard Outlines
The recommended courtyard outline line widths are 0.05 mm or 0.01 mm