Weller WQB2000 - Manual (Page 9)

9
FIGURE 4
TYPICAL BGA COMPONENT TEMPLATE TYPICAL QFP COMPONENT TEMPLATE
SIGHT HOLES,
CORNERS ONLY
LEAD ALIGNMENT
DEPRESSIONS
NOZZLE
ALIGNMENT
TAB
WINDOW
STENCIL ALIGNMENT TAB
TAPE SHELF
NOZZLE ALIGNMENT TAB
TAPE SHELF
WINDOW
STENCIL ALIGNMENT TAB
SIGHT HOLES
BALL
ALIGNMENT
DEPRESSIONS
PC BOARD SUPPORT
STENCIL TAB
NOZZLE TAB
TAPE
TRIM FLUSH
FIGURE 3
REGISTRATION PIN
STANDOFF REGISTRATION PIN
STANDOFF BLOCK
FIGURE 2