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Proceedings Paper

Initial results of new photomask-blank deposition tool
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Paper Abstract

In a joint-development, Rohwedder and Osmic have designed and built a low-defect dual-ion beam reactive-sputtering tool. The tool has been specifically targeted for developing low-defect lithography mask photoblank coatings intended as DUV absorbers and phase-shifting films. The Osmic/Rohwedder collaboration will continue into NGL - the present tool also serves as an R&D platform for EUVL mask blanks. The deposition tool and robotic substrate handler have been integrated and delivered to Osmic in the 2nd quarter of 2003. In this paper, we present initial capability for production of thin-film lithography coatings, including spectrophotometric performance, defect levels and film uniformity. Future reports will share results from more in-depth process development and optimization.

Paper Details

Date Published: 17 December 2003
PDF: 9 pages
Proc. SPIE 5256, 23rd Annual BACUS Symposium on Photomask Technology, (17 December 2003); doi: 10.1117/12.518314
Show Author Affiliations
Michael D. Kriese, Osmic, Inc. (United States)
James R. Rodriguez, Osmic, Inc. (United States)
Yuriy Y. Platonov, Osmic, Inc. (United States)
James L. Wood, Osmic, Inc. (United States)

Published in SPIE Proceedings Vol. 5256:
23rd Annual BACUS Symposium on Photomask Technology
Kurt R. Kimmel; Wolfgang Staud, Editor(s)

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