Title :
Cryo-Irradiation tests of magneto-electrical components used for the James Webb Space Telescope
Author :
Scheithauer, S. ; Krause, O. ; Birkmann, S. ; Müller, F. ; Junginger, T. ; Hajdas, W. ; Martinek, G.
Author_Institution :
Dept. of Infrared Space Astron., Max Planck Inst. of Astron., Heidelberg, Germany
Abstract :
We report on the radiation qualification programme of position sensors for the James Webb Space Telescope. Rare earth magnets and InSb/NiSb magnetoresistors have been exposed to 50 MeV protons (total doses 42-760 krad-Si) at ambient and cryogenic conditions.
Keywords :
aerospace instrumentation; astronomical telescopes; cryogenics; magnetoresistive devices; magnets; InSb-NiSb magnetoresistors; James Webb Space Telescope; cryo-irradiation tests; cryogenic conditions; magnetoelectrical components; position sensors; radiation qualification programme; rare earth magnets; Cryogenics; Instruments; Magnetic sensors; Magnetic separation; Magnetoresistive devices; Magnets; Protons; Telescopes; Testing; Wheels; InSb/NiSb magnetoresistors; JWST; cryogenic irradiation; rare earth magnets;
Conference_Titel :
Radiation and Its Effects on Components and Systems, 2007. RADECS 2007. 9th European Conference on
Conference_Location :
Deauville
Print_ISBN :
978-1-4244-1704-9
DOI :
10.1109/RADECS.2007.5205532
