Fission fragment detector by thin film capacitors. Pt. 1
Creators
- 1. Comitato Nazionale per l'Energia Nucleare, Casaccia (Italy). Lab. di Dosimetria e Biofisica
- 2. Technion-Israel Inst. of Tech., Haifa. Faculty of Electrical Engineering
Description
Heavy ion detection by solid dielectrics has been so far obtained by chemical etching. In this paper the detection of fission fragments is based on the counting of breakdowns in thin films of solid dielectries. These films are used as dielectric materials in capacitors with one electrode usually less than 1000 A thick. Breakdowns in such capacitors are non-shorting and can be sometimes repeated up to millions of times per cm2 of the capacitor area. The property that makes these capacitors suited for detection is that fission fragments induce breakdowns at fields distinctly lower than those due to the application of field only. The characteristics of these new detecting systems are described and compared with those of the damage track detectors. (orig.)
Availability note (English)
MF available from INIS under the Report Number.Abstract (German)
Der Nachweis von Schwerionen durch Festdielektrika ist bisher durch chemische Aetzung erreicht worden. In diesem Bericht stuetzt sich der Nachweis von Spaltprodukten auf das Ausfallzaehlen in den duennen Folien von Festdielektrika. Diese Folien werden als dielektrische Materialien in Kondensatoren mit einer Elektrode verwendet, die gewoehnlich weniger als 1000 A stark ist. Durchbrueche in derartigen Kondensatoren verursachen keinen Kurzschluss und koennen in manchen Faellen millionenfach pro cm2 der Flaeche wiederholt werden. Diese Kondensatoren sind daher zum Nachweis geeignet, weil die Spaltprodukte Durchbrueche bei Feldern verursachen, die entschieden geringer sind als diejenigen, die nur durch das Feld allein entstehen. Die Eigenschaften dieser neuen Detektorsysteme werden beschrieben und mit denjenigen der Kernspurdetektoren verglichen. (orig.)
Files
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Additional details
Additional titles
- Subtitle (English)
- Breakdown counter
Publishing Information
- Imprint Pagination
- 9 p.
- Report number
- AED-Conf--76-421-055
Conference
- Title
- 9. international conference on solid state nuclear track detectors and meeting of the Working Group on Space Biophysics of the Council of Europe.
- Dates
- 30 Sep 1976.
- Place
- Neuherberg/Muenchen, Germany, F.R.
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 8293937
- Subject category
- S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
- Resource subtype / Literary indicator
- Conference
- Is Lead record
- Yes
- Descriptors DEI
- BREAKDOWN; CALIBRATION; CAPACITORS; COMPARATIVE EVALUATIONS; COUNTING CIRCUITS; DIELECTRIC MATERIALS; DIELECTRIC TRACK DETECTORS; FILMS; FISSION FRAGMENT DETECTION; HEAVY IONS; PERFORMANCE
- Descriptors DEC
- CHARGED PARTICLES; ELECTRICAL EQUIPMENT; ELECTRONIC CIRCUITS; IONS; MEASURING INSTRUMENTS; RADIATION DETECTION; RADIATION DETECTORS
Optional Information
- Notes
- 7 figs.; 17 refs.