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Design of radiofrequency coils for NMR imaging; Desenvolvimento de bobinas de radiofrequencia para geracao de imagens por ressonancia magnetica nuclear

Abstract

In this work we describe and analyse different types of radiofrequency coils for NMR Imaging. Our system operates with a superconducting magnet, 22.5 cm bore, at 2.0 Tesla (85 MHz, resonant frequency for protons). Distinct structures, frequently described in the specialized literature, are discussed here. Usually the RF coils proposed are resonant circuits with distributed inductance and capacitance. We have built different types of resonators and its performance were compared. With the resonators developed here we have been able to obtain proton density images of good quality. (author)
Publication Date:
Jul 01, 1988
Product Type:
Thesis/Dissertation
Reference Number:
EDB-00:041747
Resource Relation:
Other Information: TH: Tese (M.Sc.); 51 refs., 185 figs., 26 tabs; PBD: 1988
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; DATA ACQUISITION SYSTEMS; DEC COMPUTERS; EXPERIMENTAL DATA; IMAGE PROCESSING; MAGNET COILS; MAGNETIC FIELDS; NMR IMAGING; NUCLEAR MAGNETIC RESONANCE; RESONATORS; RF SYSTEMS; SIGNAL-TO-NOISE RATIO; SPECIFICATIONS
OSTI ID:
20047167
Research Organizations:
Sao Paulo Univ., Sao Carlos, SP (Brazil). Inst. de Fisica e Quimica
Country of Origin:
Brazil
Language:
Portuguese
Other Identifying Numbers:
TRN: BR0039980010520
Availability:
Available from the Nuclear Information Center of the Brazilian Nuclear Energy Commission, Rio de Janeiro
Submitting Site:
BRN
Size:
249 pages
Announcement Date:
Jul 07, 2000

Citation Formats

Schmidt, Maria Angelica. Design of radiofrequency coils for NMR imaging; Desenvolvimento de bobinas de radiofrequencia para geracao de imagens por ressonancia magnetica nuclear. Brazil: N. p., 1988. Web.
Schmidt, Maria Angelica. Design of radiofrequency coils for NMR imaging; Desenvolvimento de bobinas de radiofrequencia para geracao de imagens por ressonancia magnetica nuclear. Brazil.
Schmidt, Maria Angelica. 1988. "Design of radiofrequency coils for NMR imaging; Desenvolvimento de bobinas de radiofrequencia para geracao de imagens por ressonancia magnetica nuclear." Brazil.
@misc{etde_20047167,
title = {Design of radiofrequency coils for NMR imaging; Desenvolvimento de bobinas de radiofrequencia para geracao de imagens por ressonancia magnetica nuclear}
author = {Schmidt, Maria Angelica}
abstractNote = {In this work we describe and analyse different types of radiofrequency coils for NMR Imaging. Our system operates with a superconducting magnet, 22.5 cm bore, at 2.0 Tesla (85 MHz, resonant frequency for protons). Distinct structures, frequently described in the specialized literature, are discussed here. Usually the RF coils proposed are resonant circuits with distributed inductance and capacitance. We have built different types of resonators and its performance were compared. With the resonators developed here we have been able to obtain proton density images of good quality. (author)}
place = {Brazil}
year = {1988}
month = {Jul}
}