Fluke Biomedical 10100AT User Manual

Page 76

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10100AT
Operators Manual

C-8

Figure C-5.

Energy Correction Factors for Model 96035B in Attenuated Beam

C.6.3 Mammographic Beam Qualities

The energy correction factors for the 96035B are determined for the mammographic beam using the PTB
defined MV and MH series of beam qualities given in Tables C-3 and C-4, respectively.

Table C-3. Specifications for PTB Defined Unattenuated Mammographic Beam Qualities

PTB Denomination

kVp

Added Filtration

First HVL

in mm Al

MV20 20

30

μm Mo

0.223

MV25 25

30

μm Mo

0.282

MV30 30

30

μm Mo

0.337

MV35 35

30

μm Mo

0.374

MV40 40

30

μm Mo

0.402

MV50 50

30

μm Mo

0.440

Table C-4. Specifications for PTB Defined Attenuated Mammographic Beam Qualities

PTB Denomination

kVp

Added Filtration

First HVL

in mm Al

MH20 20

30

μm Mo + 2.0 mm Al

0.45

MH24 25

30

μm Mo + 2.0 mm Al

0.58

MH30 30

30

μm Mo + 2.0 mm Al

0.67

MH35 35

30

μm Mo + 2.0 mm Al

0.75

MH40 40

30

μm Mo + 2.0 mm Al

0.83

MH50 50

30

μm Mo + 2.0 mm Al

0.97

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