114 D292469I
● Use appropriate shim for NSC needle height adjustment.
● Use piston installed in eject cap where needle access allows.
● Use small and large tool rings for most pistons.
Eject Head Overview
The Piston houses the eject needles and is the moving part during the needle eject. The
Eject Head Body houses the piston and supplies vacuum to the wafer tape via the body
cap.
0.75” Diameter Eject Heads
Vacuum Tube
Body O-Ring
Body Lock Set Screw
Brass Piston & Eject Needle Set Screw
Spring
Piston O-Ring
Eject Needle
Set Screw(s)
Eject Needle
insertion