17 - 1
Siemens-Elema AB
Register 3
SP B7-230.033.07
Page 1 of 4
Mammomat 1000/3000
Solna, Sweden
Rev. 03
11.99
SPS-UD
Installation and Start-Up
Checking the radiation field limitation
17
General
17
The nominal width of the radiation field is 248 mm (18×24 mode) and 308 mm (24×30
mode). The nominal depth of the radiation field is 191 mm (18x24 mode) and 243 mm
(24x30 mode), adjusted so that there will be no white edge on the film.
•
On the chest wall side, the radiation field must extend beyond the film edge but not more
than 9 mm. That applies for both the 18x24 and the 24x30 mode.
•
On the sides, the radiation field must not extend outside the object table and not extend
more than 13 mm outside the film.
•
on the nipple side, the radiation field must not extend beyond the film edge by more than
13 mm.
Left edge:
&
6.5 mm
Right edge:
&
6.5 mm
Back edge:
&
6.5 mm
Front edge:
&
6.5 mm
