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Open Access Green as soon as Postprint is submitted to ZB.
On the use of OSL of chip card modules with molding for retrospective and accident dosimetry.
Radiat. Meas. 47, 1068-1073 (2012)
The potential of optically stimulated luminescence of wire-bond chip card modules with molded encapsulations for retrospective and accident dosimetry is investigated. Contact-based and contactless modules were studied, the latter finding potential use in electronic documents (e.g. electronic passports, electronic identity cards). Investigations were carried out on intact as well as chemically prepared modules, extracting the filler material. Contact-based modules are characterized according to zero dose signal, correlation between OSL and TL, dose response and long-term signal stability. For prepared modules, the minimum detectable dose immediately after irradiation is 3 mGy and between 20 and 200 mGy for contact-based and contactless modules, respectively. Dose recovery tests on contact-based modules indicate that the developed methodology yields results with sufficient accuracy for measurements promptly after irradiation, whereas a systematic underestimation is observed for longer delay times. The reasons for this behaviour are as yet not fully understood.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Chip card modules; Molding; Optically stimulated luminescence (OSL); Retrospective dosimetry; Accident dosimetry; Electronic identity card; Electronic passport; Optically Stimulated Luminescence ; Quartz
ISSN (print) / ISBN
1350-4487
e-ISSN
1879-0925
Journal
Radiation Measurements
Quellenangaben
Volume: 47,
Issue: 11,
Pages: 1068-1073
Publisher
Elsevier
Reviewing status
Peer reviewed
Institute(s)
Institute of Radiation Protection (ISS)