http://www.cnr.it/ontology/cnr/individuo/prodotto/ID25403
A nanotechnology application for low energy neutral atom detection with high angular resolution for the BepiColombo mission to Mercury (Articolo in rivista)
- Type
- Label
- A nanotechnology application for low energy neutral atom detection with high angular resolution for the BepiColombo mission to Mercury (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.mee.2011.02.092 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- F. Mattioli (a); S. Cibella (a); R. Leoni (a); S. Orsin (b); A.M. Di Lellis (c); S. Selci (d); E. De Angelis (b); R. Rispoli (b); A. Mura (b); A. Milillo (b) (literal)
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- Proceedings of the 36th International Conference on Micro- and Nano-Engineering (MNE) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Scopu (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- (a) CNR - Istituto di Fotonica e Nanotecnologie, Rome, Italy
(b) INAF- Istituto di Fisica dello Spazio Interplanetario, Rome, Italy
(c) AMDL srl, Rome, Italy
(d) CNR - Istituto Sistemi Complessi, Rome, Italy (literal)
- Titolo
- A nanotechnology application for low energy neutral atom detection with high angular resolution for the BepiColombo mission to Mercury (literal)
- Abstract
- Thanks to the great progress of micro and nanofabrication techniques, only in recent years it has been possible to propose a space flying instrument able of remote-sensing the surface released neutral particles with a direct technique. This instrument, which will be installed in the BepiColombo/MPO spacecraft to Mercury, is the neutral sensor ELENA (Emitted Low-Energy Neutral Atoms), a time-of-flight (TOF) detector, based on the state-of-the art of ultra-sonic oscillating shutters, and Micro-Channel Plate (MCP) detection. The shuttering system digitizes space and time when tagging the incoming particles without affecting their trajectory and energy. The ELENA shuttering element consists of two self-standing silicon nitride (Si(3)N(4)) membranes, one facing the other, patterned with arrays of 200 nm wide nanoslits, organized on a square lattice with 4 mu m pitch over a 3 x 3 mm(2) area whereas in the final version it will perform a pitch of 1.4 mu m, on a 10 x 10 mm(2) area. A capacitive control system is implemented to assure the alignment of the two membranes. The characterization of the shuttering capability has been obtained with a He beam at 1 key. The same fabrication process has been also used to realize a large area mesh filters, in order to reflect unwanted IR radiation to minimize the instrument heat load. (literal)
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