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Titolo:
Ultra-high resolution radiography using CR-39 solid state track detectors and atomic force microscopy
Autore:
Amemiya, K; Takahashi, H; Nakazawa, M; Yasuda, N; Yamamoto, M; Nakagawa, Y; Kageji, T; Nakaichi, M; Ogura, K;
Indirizzi:
Univ Tokyo, Dept Quantum Engn & Syst Sci, Bunkyo Ku, Tokyo 1138656, Japan Univ Tokyo Tokyo Japan 1138656 Syst Sci, Bunkyo Ku, Tokyo 1138656, Japan Natl Inst Radiol Sci, Inage Ku, Chiba 2638555, Japan Natl Inst Radiol SciChiba Japan 2638555 Inage Ku, Chiba 2638555, Japan Natl Kagawa Childrens Hosp, Dept Neurosurg, Kagawa 7658501, Japan Natl Kagawa Childrens Hosp Kagawa Japan 7658501 g, Kagawa 7658501, Japan Univ Tokushima, Dept Neurol Surg, Tokushima 7708503, Japan Univ TokushimaTokushima Japan 7708503 ol Surg, Tokushima 7708503, Japan Yamaguchi Univ, Dept Vet Surg, Yamaguchi 7538515, Japan Yamaguchi Univ Yamaguchi Japan 7538515 et Surg, Yamaguchi 7538515, Japan Nihon Univ, Coll Ind Technol, Narashino, Chiba 2758575, Japan Nihon Univ Narashino Chiba Japan 2758575 Narashino, Chiba 2758575, Japan
Titolo Testata:
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
fascicolo: 1-2, volume: 159, anno: 1999,
pagine: 75 - 80
SICI:
0168-583X(199910)159:1-2<75:URRUCS>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
NEUTRON-CAPTURE THERAPY;
Keywords:
atomic force microscope (AFM); solid state track detector; CR-39; radiography; autoradiography;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Amemiya, K Univ Tokyo, Dept Quantum Engn & Syst Sci, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan Univ Tokyo 7-3-1 Hongo Tokyo Japan 1138656 okyo 1138656, Japan
Citazione:
K. Amemiya et al., "Ultra-high resolution radiography using CR-39 solid state track detectors and atomic force microscopy", NUCL INST B, 159(1-2), 1999, pp. 75-80

Abstract

We have developed an ultra-high resolution charged particle radiography technique using CR-39 solid state track detectors and an atomic force microscope (AFM). Very small etch pits about 80 nm in diameter were measured with the AFM. We planned to apply this technique to high resolution autoradiography. Such practical applications often require accurate positioning betweenthe sample mounted on a CR-39 detector and particle tracks recorded in theCR-39 in order to determine the radiation dose distribution inside the sample. As a fiducial marker for the positioning, aluminum patterns were deposited on the CR-39 surface using a photolithography technique. The aluminum patterns were dissolved through a typical etching process for CR-39 detectors and pattern-shaped steps were left on the surface. Using these patterns should ensure accurate positioning between the sample and the etch pits in autoradiography. This method provides a new technique for radiation imagingof biological samples at a subcellular scale. (C) 1999 Elsevier Science B.V. All rights reserved.

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Documento generato il 30/11/20 alle ore 07:13:01