Focal Spot in an x-ray tube ll Effective & Actual focal spot ll Radiography Simplified

Hi friends Welcome to Radiography simplified #focal_spot#xray_tube Old video links X ray tube.    • x-ray tube l components & type l Radiograp...   X ray beam restrictor.    • X-ray beam restrictors ll Cone , Cylinder ...   Automatic processor.    • Automatic film Processor  l components l D...   Bremsstrahlung radiation.    • Bremsstrahlung Radiation ll Production of ...   Characteristics radiation.    • Characteristic Radiation ll Production of ...   Production of x ray.    • Production of X-rays l 2minute Radiography...   Topic - focal spot (x- ray tube ) It is an area of the anode surface which receives a beam of electron from the cathode filament. It depends on 1) filament coil ( dimension ) 2 focusing cup ( dimention ) 3) position of the filament in the focusing cup. 4) The electric field created between cathode and anode. It influence -: 1) image sharpness-: Image sharpness is inversely proportional to focal spot. 2) heat dissipation :- Heat dissipation is directly proportional to focal spot. Line focus principle "it is state that effective focal spot is always smaller than the actual focal Spot" Anode angle -: it is defined as an angle of the target surface with respect to the central Ray in the X-ray field. It influence -: 1) Effective focal spot-: Effective focal spot is directly proportional to another angle. 2) anode heel effect-: It state that the intensity of X-Ray beam is greater towards the cathode side in comparison to the anode side. Thanks for watching this video🙏 Please like ,share & subscribe. Take care Bye.