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Grid: Technical Specifications

Three Types of Line Composition

grid.h1.jpg

Parallel

grid.h2.jpg

Linear

grid.h3.jpg

Criss-Cross

grid.h13.jpg

Ratio (R=h/d)

grid.h12.jpg

Focal Range

grid.h6.jpg

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%

Calculation of contrast

1.46

Tt 

Transmission of total radiation

53.4%

Exposure factor

1.87%

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