High performance x-ray anti-scatter grid
- Pleasanton, CA
An x-ray anti-scatter grid for x-ray imaging, particularly for screening mammography, and method for fabricating same, x-rays incident along a direct path pass through a grid composed of a plurality of parallel or crossed openings, microchannels, grooves, or slots etched in a substrate, such as silicon, having the walls of the microchannels or slots coated with a high opacity material, such as gold, while x-rays incident at angels with respect to the slots of the grid, arising from scatter, are blocked. The thickness of the substrate is dependent on the specific application of the grid, whereby a substrate of the grid for mammography would be thinner than one for chest radiology. Instead of coating the walls of the slots, such could be filed with an appropriate liquid, such as mercury.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- Regents of University of California (Oakland, CA)
- Patent Number(s):
- US 5418833
- OSTI ID:
- 869898
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
x-ray
anti-scatter
grid
imaging
particularly
screening
mammography
method
fabricating
x-rays
incident
direct
path
pass
composed
plurality
parallel
crossed
openings
microchannels
grooves
slots
etched
substrate
silicon
walls
coated
opacity
material
gold
angels
respect
arising
scatter
blocked
thickness
dependent
specific
application
whereby
thinner
chest
radiology
coating
filed
appropriate
liquid
mercury
ray imaging
specific application
x-ray imaging
x-rays incident
screening mammography
x-ray anti-scatter
rays incident
anti-scatter grid
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