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Grid: Technical Specifications
Three Types of Line Composition
Parallel
Linear
Criss-Cross
Ratio (R=h/d)
Focal Range
Line Direction
Long
Short
Criss-cross
Technical Data (IEC Test Result of Mammography Grid)
Tp
Transmission of primary radiation
78.1%
∑
Calculation of selectivity
3.61
Ts
Transmission of scattered radiation
21.6%
K
Calculation of contrast
1.46
Tt
Transmission of total radiation
53.4%
B
Exposure factor
1.87%
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