Sheet Type Scintillators / Intensifying Screen

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Sheet Type Scintillators (Fluorescent Screens)

Scintillators are materials that emit light when excited by radiation such as X-rays and gamma rays. Sheet type scintillators, called fluorescent screens, are used for flat panel detectors (FPDs) and various X-ray detectors such as for security purpose.
Toshiba Materials can offer ideal fluorescent screens according to your application and design.

Sheet Type Scintillators (Fluorescent Screens)

Features

  • Wide range of sizes from 3mm wide and 300mm long to 430mm wide and the length of your choice
  • Variety of products with different properties to suit your needs

Product specifications

Product specifications : Sheet Type Scintillators
Product name TO Series TGP Series TB Series
Material Gd2O2S:Tb Gd2O2S:Pr BaFCl:Eu
Maximum light emission wavelength (nm) 545 512 380
Relative light output (%)*1 100 80 90*3
Decay time (μs) 700 3 6
Afterglow at 3ms (%)*2 1.0 <0.1 0.5
* The values above are reference values, and are not guaranteed. The actual values may differ depending on the measurement method.
*1: Compared to same phosphor weight in a PD sensor measurement with an X-ray tube voltage of 80kV and 20mm aluminum filter
*2: PD sensor measurement with an X-ray tube voltage of 80kV
*3: X-ray film measurement
  • TO: Standard type that can be used for a wide range of purposes. It is mainly used for medical purposes.
  • TGP: Ideal for high-speed scanning
  • TB: Ideal for producing photodetectors sensitive to short wavelength

Examples of uses

Flat panel detectors

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Flat panel detectors
TO Series (TO660SI) CSI film
Relative light output (%) 100 200
Relative MTF (%) 100 100
Humidity resistance Yes Deliquescence occurs
Price Low High

Non-destructive inspection

  • Luggage inspection
    Hand luggage inspection
  • Vehicle inspection
    Vehicle inspection
Non-destructive inspection
TO Series TGP Series TB Series Scintillators made from other materials
Prioritizes afterglow Prioritizes sensitivity
Material Gd2O2S:Tb Gd2O2S: Pr BaFCl:Eu CdWO4 CsI:Tl
Form Sheet Sheet Sheet Single crystal Single crystal
Maximum light emission wavelength (nm) 545 512 380 480 550
Relative light output (%)*1 30-120 60-80 100*2 20-50
70-110*3		 100 200
Decay time (μs) 700 3 6 5 1
Afterglow at 3ms (%) 1.0 <0.1 0.3 0.5 <0.1 1.5
Transparency Opaque Transparent Transparent
Density 4.7 2.7 7.99 4.53
Environmental safety Non-pollutive material Harmful cadmium Thallium that meets environmental standards
Humidity resistance Yes Yes Deliquescence occurs
* The values above are reference values, and are not guaranteed. The actual values may differ depending on the measurement method.
*1: From data for all products in all series, from PD sensor measurement with an X-ray tube voltage of 120kV
*2: PD sensor measurement with an X-ray tube voltage of 160kV
*3: X-ray film measurement

TO Series

TO Series
TO Series Relative light output*1
[%]		 Relative MTF*2
[%]		 Phosphor weight
[mg/cm2]		 Total thickness
[μm]
TO-220S 30 205 38 350
TO-400S 60 160 60 330
TO-600SI 82 128 85 375
TO-660SI 100 100 95 325
TO-880SI 133 46 145 455
* The values above are reference values, and are not guaranteed. The actual values may differ depending on the measurement method.
*1: X-ray tube voltage of 80kV, with 20mm aluminum filter
*2: X-ray tube voltage of 80kV, no filter

TGP Series

TGP Series
TGP Series Relative light output*1
[%]		 Decay time
[μs]		 Afterglow[%] Phosphor weight
[mg/cm2]		 Total thickness
[μm]
10ms 30ms 100ms
TGP80 100 3 0.008 0.005 0.002 80 430
TGP180 125 3 0.008 0.005 0.002 180 645
TGP300 147 3 0.114 0.028 0.006 300 830
* The values above are reference values, and are not guaranteed. The actual values may differ depending on the measurement method.
*1: PD sensor measurement with an X-ray tube voltage of 120kV

TB Series

TB Series
TB Series Relative light output*1
[%]		 Decay time
[μs]		 Afterglow[%] Phosphor weight
[mg/cm2]		 Total thickness
[μm]
10ms 30ms 100ms
TB60 100 6 0.100 0.004 0.002 60 515
TB80 125 6 0.100 0.004 0.002 80 600
TB250 150 6 0.100 0.004 0.002 250 1110
* The values above are reference values, and are not guaranteed. The actual values may differ depending on the measurement method.
*1: X-ray film measurement with an X-ray tube voltage of 120kV

Intensifying Screen

Scintillators are materials that emit light when they come into contact with radiation such as X-rays and gamma rays. Intensifying screens, a type of scintillator, are used to capture X-ray images. Our intensifying screens use high-sensitivity fluorescent bodies which require only around 1/100 of the usual amount of X-rays, reducing radiation exposure in the body.

Intensifying Screen

Features

  • Treated with a special screen protection coating, preventing soiling and scratching for easier handling
  • High-sensitivity and high-sharpness scintillators reduce radiation exposure to 1/100

Product specifications

Product specifications : Intensifying Screen
TYPE Relative sensitivity[%] Relative MTF[%] Features Ideal imaging areas Compatible film
TO-100 55 116 High sharpness Head, limbs, chest Orthochromatic film
TO-220 100 100 Standard Chest, digestive organs
TO-330 145 85 Medium sensitivity Digestive organs, circulatory organs
TO-440 190 66 High sensitivity Digestive organs, circulatory organs, lumbar region
TO-660 280 55 Ultra-high sensitivity Lumbar region, circulatory organs
TO-880 360 44 Extremely high sensitivity Lumbar region, circulatory organs

Examples of uses

  • X-ray imaging

If you have any inquiries, please contact us.

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Related product

  • Ceramic Type GOS Scintillators
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