1. LHC Collimator – RF Contact Concept (180o wrap)
FINGERS GROUND JAWS TO TANK, ALLOW JAW MOTION FOR APERTURE VARIATION
ROUND-TO-SQUARE TRANSITION INTEGRAL WITH VACUUM TANK
RAMPS BRIDGE GAP BETWEEN TANK AND JAW
RF180 contact 7/18/05 rev 7/19

2. 5o BREAK CONFORMS TO JAW TAPER
TAPERED END

3. SLIDING FIT ALLOWS JAW ROTATION
RAMP WRAPS 180o
FLEXURE ALLOWS RAMP TO FOLLOW JAW FOR APERTURE ADJUSTMENT
SLIDING CONTACT ALLOWS RAMP MOTION

4. SLOTS. 5mm WIDE X 6mm DEEP REDUCE THERMAL DEFLECTION
SLOTS .5mm WIDE X 6mm DEEP REDUCE THERMAL DEFLECTION. RF EFFECTS UNKNOWN.
WALL OF VACUUM TANK (NOT SHOWN) PROVIDES CONTINUITY
COMPLEX SECTION, RAMPING TO EDGE OF JAW
SQUARE
ROUND

5. RADIALLY MOVEABLE STOP PREVENTS APERTURE REDUCTION DUE TO THERMAL DEFORMATION

7. COMPLEX SHAPE OF RF-ENCLOSED VOLUME