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U.S. Department of Health and Human Services

Radiation-Emitting Products

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Has FDA specified a standard method for placement of the high frequency end of the bar pattern when performing the system resolution test?

Policy Guidance Help System logo

No. Facilities are free to determine the placement of the high frequency end of the bar pattern as long as the bars within the pattern remain oriented perpendicular or parallel to the anode-cathode axis.

Back to Focal Spot Condition/System Resolution – Annual Quality Control Test

Back to System Resolution - Annual Quality Control Test

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