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Intensifying Screen

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Relative System Speeds

Type
Emission Color
Speed( Low/High )
Recommended Application

Optex
    Detail
     Medium
     High-Plus
     L-Plus

Blue
Blue
Blue
Blue

            NR/50
            NR/100
            NR/200
            NR/325

   High Detail Studies
   Detail Studies
   General
   Autoradiography

Rare Earth
     Detail
     Fast Detail
     Blue III
     Rapid


Blue
Blue
Blue
Blue

            50/100
            200/400
            400/800
            600/1200


  
Extremity Studies
   General
   Dosage Reduction General
   Special Procedure

Rare Earth
     Extremity 50
     Green Fine
     Green Medium
     Green Regular
     Green Fast

Green
Green
Green
Green
Green

          50/NR
            100/NR
            200/NR
            400/800
            600/1000-1200

   Extremity Studies
   Detail Studies
   Detail Studies
   General
   Spinal and Chest

NR : Not Recommendable
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. Optex : These screens contain the highest quality calcium

   ungstate phosphors avalalble. Compared to rare earth phosphor, 

   this phosphor exhibits a more linear response over a broad kVp

   range. These screens are compatible with full speed blue 

   sensitive film. Do not use these screens with green sensitive or 

   half speed blue film.

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. Rare Earth Blue : The active rare earth x-ray phosphor 

   component of these screens is lanthanum oxybromide. These 

   blue emitting screens are compatible with full or half speed blue

   sensitive film.

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. Rare Earth Green : These screen contain a high efficiency 

   green emitting rare earth x-ray phosphor known as gadolinium 

   oxysulfide. These screens should be used with film that is 

   orthochromatic or green sensitive.

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