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Screen printed carbon sensors for atomic oxygen measurement

Screen printed carbon sensors for atomic oxygen measurement
Screen printed carbon sensors for atomic oxygen measurement
Carbon-based atomic oxygen actinometers sensors were produced by screen-printing high and low carbon inks onto an alumina substrate between thick film gold tracks and palladium contacts. The performance of the sensors was evaluated by exposure to atomic oxygen in a plasma asher and a pulsed laser facility (ATOX) and compared with that of evaporated and sputtered thin film carbon sensors. All three types of sensor exhibited linear resistance increase with fluence and demonstrated sensitivity to flux change. The lower erosion yield and greater thickness makes the screen-printed sensors more suitable for high fluence/long duration missions.
atomic oxygen
White, C.B.
15866a85-ac44-4239-b7a9-de3d45e5aa1f
Chambers, A.R.
74fa9b7e-6362-478e-a038-15f2828c5446
Roberts, G.T.
deaf59ac-e4ee-4fc2-accf-df0639d39368
White, C.B.
15866a85-ac44-4239-b7a9-de3d45e5aa1f
Chambers, A.R.
74fa9b7e-6362-478e-a038-15f2828c5446
Roberts, G.T.
deaf59ac-e4ee-4fc2-accf-df0639d39368

White, C.B., Chambers, A.R. and Roberts, G.T. (2006) Screen printed carbon sensors for atomic oxygen measurement. 10th International Symposium on Materials in a Space Environment, Collioure, France. 18 - 22 Jun 2006.

Record type: Conference or Workshop Item (Paper)

Abstract

Carbon-based atomic oxygen actinometers sensors were produced by screen-printing high and low carbon inks onto an alumina substrate between thick film gold tracks and palladium contacts. The performance of the sensors was evaluated by exposure to atomic oxygen in a plasma asher and a pulsed laser facility (ATOX) and compared with that of evaporated and sputtered thin film carbon sensors. All three types of sensor exhibited linear resistance increase with fluence and demonstrated sensitivity to flux change. The lower erosion yield and greater thickness makes the screen-printed sensors more suitable for high fluence/long duration missions.

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More information

Published date: September 2006
Venue - Dates: 10th International Symposium on Materials in a Space Environment, Collioure, France, 2006-06-18 - 2006-06-22
Keywords: atomic oxygen
Organisations: Engineering Mats & Surface Engineerg Gp, Aerodynamics & Flight Mechanics, Astronautics Group

Identifiers

Local EPrints ID: 43634
URI: http://eprints.soton.ac.uk/id/eprint/43634
PURE UUID: a469c3e2-ee3d-49d1-95cc-0f507b3f832a

Catalogue record

Date deposited: 30 Jan 2007
Last modified: 11 Dec 2021 16:16

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Contributors

Author: C.B. White
Author: A.R. Chambers
Author: G.T. Roberts

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