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Well-Type
A well-type receptacle in NaI(Tl) detector provides maximum absorption of radiation from a sample by approximating 4 p geometry.

Detectors with well-type crystals are used in medicine, biological research, environmental monitoring, etc.

We have different modifications of well-type detectors in productions. The basic types of serially produced well-type detectors and geometric dimensions of crystals are presented in the Table.

Low-background detectors

For detection and spectrometry of weak ionizing radiation and low activity levels of different radionuclides, low-background detectors are used which are characterized by a very low intrinsic background level.

The low background is attained by the use of both crystals having a low intrinsic background level and suitable construction materials.

The design features and scintillation characteristics of low background detectors (except for the background count rate) match those of standard and well-type detectors.

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Well-type Detectors

Assemblies type & NomenclatureScintillator dimensions (diameter x height) [mm]Well dimensions (diameter x height) [mm]
SDN.6430x4017x38
SDN.6940x4020x38
SDN.8340x4012.5x27
SDN.8340x5012.5x37
SDN.8363x63110.0x37
SDN.8380x5018x27
SDN.8380x8018x47
SDN.83100x10035x70
SDN.83160x16057x100
SDN.83200x20075x150

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