Sheet Type Scintillators
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Contact UsSheet 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.
Niterra Materials can offer ideal fluorescent screens according to your application and design.
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 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
| 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
- Vehicle 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 | Relative light output*1 [%] |
Relative MTF*2 [%] |
Phosphor weight [mg/cm2] |
Total thickness [μm] |
|---|---|---|---|---|
| TO-220S | 30 | 205 | 38 | 350 |
| 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 | 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 | 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
If you have any inquiries, please contact us.
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