A BCCD-BASED DOSIMETER FOR MIXED RADIATION-FIELDS

被引:4
|
作者
PIERSCHEL, M [1 ]
EHWALD, KE [1 ]
HEINEMANN, B [1 ]
JANUSCHEWSKI, F [1 ]
SCHMITZ, T [1 ]
SCHRODER, O [1 ]
机构
[1] FORSCHUNGSZENTRUM JULICH, FORSCHUNGSZENTRUM, INST MED, W-5170 JULICH 1, GERMANY
关键词
D O I
10.1016/0168-9002(93)90369-S
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The development of a personal dosimeter based on a BCCD-detector for mixed neutron and gamma radiation in the energy range from thermal energy to 20 MeV for neutrons respectively 30 keV to a few MeV for gammas will be presented. The detector has to give information on the total radiation dose, D, and on the radiation quality. Both peaces of information are required to determine the directional dose equivalent. The basic radiation physics requirements for the detector as well as a concept of a buried channel CCD-matrix for radiation applications including the technology process will be described. A two dimensional device simulation package was used for both optimization of the charge storage nodes including free charge transfer and the basic electronic processes depending on radiation interaction with silicon.
引用
收藏
页码:304 / 309
页数:6
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