Category: F

  • Fluorography

    Fluoroscopy is a radiographic technique that involves capturing an image produced on a fluorescent screen and recording it as a radiographic image.  

  • Floppy disk

    A flexible vinyl disk, measuring around 8 inches in diameter, is utilized for magnetic recording of digital information. This disk serves as a storage medium for electronic CT images, providing an option for archival purposes.  

  • Flat film

    The term in question, when used to describe specific x-ray examinations of the abdomen, carries some controversy and may hold different meanings in various radiology offices. There is no universal consensus regarding whether the term is exclusive to prone, supine, or upright projections. Furthermore, there is no agreement on whether the routine involves anterior-posterior (AP)…

  • X-ray film fixation

    A procedure is employed to eliminate the unexposed and undeveloped silver halides from the film and simultaneously preserve and strengthen the image captured on the film.      

  • Film-screen contact test tool

    A device measuring 14×17 inches, resembling a frame, consists of wire mesh enclosed in plastic. This device is positioned on top of a cassette to ensure proper contact between the film and the screen during imaging.  

  • Film hangers

    A storage container, equipped with vertical partitions, is designed for the purpose of storing opened x-ray film boxes of various sizes. The container takes the form of a drawer, which is counterweighted to ensure it remains open once opened. Additionally, a gentle touch is all that is required to automatically close the drawer. It is…

  • Film bin

    A storage container, equipped with vertical partitions, is designed for the purpose of storing opened x-ray film boxes of various sizes. The container takes the form of a drawer, which is counterweighted to ensure it remains open once opened. Additionally, a gentle touch is all that is required to automatically close the drawer. It is…

  • Filament voltage

    The voltage applied to the terminals of the filament in an x-ray system typically ranges from approximately five to 15 volts.  

  • Filament transformer

    A specialized step-down transformer is employed solely for the purpose of supplying current to the filaments of x-ray, valve, and electron tubes. In the x-ray circuit, the filament transformer operates in conjunction with the choke coil to regulate the tube current effectively.  

  • Filament current

    The temperature of the filament in the x-ray tube, measured in amperes, is commonly referred to as the filament current.