Term
Density Factors
Control panel |
|
Definition
Mas
kVp
Line Voltage
Phase
FSS |
|
|
Term
|
Definition
Anode heel effect
Target Z#
Window Z#
Filtration (inherent + added)
Collimation |
|
|
Term
|
Definition
part thickness
part opacity
SID
OID (4-8in↑/8-10in↓)
Lead blockers |
|
|
Term
Density Factors
Table & Bucky |
|
Definition
Z# of Table
Use of Grids
Grid ratio |
|
|
Term
Density Factors
Cassette/Screen |
|
Definition
Crystal type
Crystal concentration
Crystal Thickness
Anti-crossover dye
Reflective layer |
|
|
Term
|
Definition
|
|
Term
Density Factors
Processing room |
|
Definition
Time
Temperature
Concentration |
|
|
Term
|
Definition
Spectral matching (Film/screen)
time exposed to Safelight
Wattage of Safelight
damage to SL filter
Light leak
poor shielding |
|
|
Term
Density Factors
Film Storage |
|
Definition
Store upright Flat = ↑Density
Stack no more than 3 high
Cool temp: 50-70ºF
Moderate humidity: 40-60%
Age |
|
|
Term
|
Definition
Ambient light intensity
Masking
Wattage of viewbox
Use of hotlight |
|
|
Term
Density Factors
Filtration |
|
Definition
<50 kVp = .5mm filtration
50-70 kVp = 1.5 mm filtration
>70 kVp = 2.5 mm filtration |
|
|
Term
Density Factors
Material opacity least to greatest |
|
Definition
Gas -> Fat-> Cartilage->
Hollow organ-> Muscle-> Solid organ->
Hollow organ+barium -> bone-> enamal |
|
|
