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Udalagama, C.N.B.; Bettiol, A.A.; Kan, J.A. van; Teo, E.J.; Watt, F., E-mail: phycnbu@nus.edu.sg2007
AbstractAbstract
[en] The recent years have witnessed a proliferation of research involving proton beam (p-beam) writing. This has prompted investigations into means of optimizing the process of p-beam writing so as to make it less time consuming and more efficient. One such avenue is the improvement of the pre-writing preparatory procedures that involves beam focusing and sample alignment which is centred on acquiring images of a resolution standard or sample. The conventional mode of imaging used up to now has utilized conventional nuclear microprobe signals that are of a pulsed nature and are inherently slow. In this work, we report the new imaging system that has been introduced, which uses proton induced secondary electrons. This in conjunction with software developed in-house that uses a National Instruments DAQ card with hardware triggering, facilitates large data transfer rates enabling rapid imaging. Frame rates as much as 10 frames/s have been achieved at an imaging resolution of 512 x 512 pixels
Primary Subject
Source
ICNMTA2006: 10. international conference on nuclear microprobe technology and application; Singapore (Singapore); 9-14 Jul 2006; PBW II: 2. international workshop on proton beam writing; Singapore (Singapore); 9-14 Jul 2006; S0168-583X(07)00428-4; Copyright (c) 2007 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Record Type
Journal Article
Literature Type
Conference
Journal
Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms; ISSN 0168-583X; ; CODEN NIMBEU; v. 260(1); p. 390-395
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