Grid Types

Grids are manufactured in either a parallel or a focused design.

Parallel grids: Made with the lead and interspace strips running parallel to one another, never intersecting. Parallel grids function best at long as opposed to short SID, parallel grids are less commonly used.

History of the X-ray Grid

By James McGill, eHow Contributing Writer

An X-ray grid is the part of an X-ray machine that filters out randomly deflected radiation that can obscure or blur an image produced by the machine. It was invented in 1913.


An X-ray grid is a filtering device that ensures the clarity of the image on X-ray film.

What is a Bucky?

A bucky is typically used for table or wall mounted x-ray systems and holds the x-ray cassette and grid. A bucky, is a device found underneath the exam table, a drawer like device that the cassette and grid is slid into before shooting x-ray.

The most common bucky size grids are 17 1/4 x 18 7/8, 17 1/4 x 17 3/4, and 18 x 18. Buckys are found in both medical and verterinarian offices.

What is a Grid?

X-ray filter grids improve the quality of a radiograph by trapping the vast majority of scattered radiation. This will provide a cleaner, clearer and more detailed image. Scattered radiation is the biggest contributing factor to poor diagnostic quality or a "bad" xray.

Cleaning Your Cassettes

Wash your hands or wear gloves when handling plates to avoid contamination and plate staining.
Never use hand lotions or sunblock cosmetics prior to handling plates.

Intensifying screens should be cleaned periodically according to the manufacturer's instructions.


Dirt, dust and fingerprints can cause minus wholesale jerseys density artifacts on film or plates which show up as areas of lighter optical wholesale jerseys density than the surrounding area. An artifact is a blemish Kissa/Hb or image in the radiograph that is wholesale nfl jerseys not present in the roentgen image of the object.