Uniformity test showing wrinkled Ag filter
(click to download original file)
666 x 819 ( W x H )
Matt Hill, Sheffield
Date of submission
Description of artefact
Uniformity test showing wrinkled appearance on silver filter.
Equipment involved and any image enhancement applied
Hologic Selenia (W tube), compressed image.
Cause and/or corrective action
Caused by slightly creased or damaged silver filter. Changing the filter removed the problem.
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