CATHODE

ANODE

ANODE HEEL AFFECT

RADIOGRAPHIC RATING CHART

NEGATIVE CHARGE

FILAMENT-TUNGSTON

THERMIONIC EMISSION

SPACE CHARGE

MA-BOILS OFF THE QUANTITY OF ELECTRONS

Vaporizes-coats envelope-causes arcing

POTENTIAL ENERGY

FOCUSSING CUP

      SMALL AND LARGE

                         kVp---begins

POSITIVE CHARGE

FOCAL SPOT

SMALL AND LARGE

      SMALL= MORE DETAIL

ANGLE OF THE ANODE

SMALL/STEEPER = SMALL FOCAL SPOT=MORE DETAIL=LINE FOCUS PRINCIPLE=

SMALL FOCAL = MORE HEAT

TUNGSTON=HIGHER ATOMIC#=HIGH HEAT TOLERANCE

INFRARED RADIATION

CONVECTION=OIL

CONDUCTION-METHODS OF HEAT DISSOLUTION

Ends at Anode

ANGLE OF THE ANODE

SMALL/STEEPER = SMALL FOCAL SPOT=MORE DETAIL=LINE FOCUS PRINCIPLE=

LESS OF ANGLE=MORE ANODE HEEL AFFECT

CATHODE SIDE=THICKER AREA OF BODY PART BEING X-RAYED

MAXIMUM MAS AND KVP ALLOWED BASED ON FOCAL SPOT SIZE AND RPM’S