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Conference Paper: Asymmetric biasing for subgrid pattern adjustment
Title | Asymmetric biasing for subgrid pattern adjustment |
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Authors | |
Keywords | optical lithography optical proximity correction halftone biasing asymmetric subgrid biasing |
Issue Date | 2001 |
Publisher | S P I E - International Society for Optical Engineering. The Journal's web site is located at http://www.spie.org/app/Publications/index.cfm?fuseaction=proceedings |
Citation | Optical microlithography XIV, Santa Clara, USA, 27 February - 2 March 2001. In Proceedings of SPIE, 2001, v. 4346, p. 1548-1553 How to Cite? |
Abstract | The location of a printed edge can be controlled to a fineness that is two orders of magnitude smaller than the design grid, if a slight displacement of the pattern can be tolerated. The essence of this asymmetric subgrid biasing technique is the crenelation of two edges of a pattern into different periods. Fractional arithmetic results in a bias increment that much smaller than that can be achieved with halftone biasing. For a design grid of 20 nm (1X) , and an exposure system with A = 248 nm, NA = 0.68, and a = 0.8, the bias increment can be as small as 0.22 nm. |
Persistent Identifier | http://hdl.handle.net/10722/46237 |
ISSN | 2023 SCImago Journal Rankings: 0.152 |
DC Field | Value | Language |
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dc.contributor.author | Wong, AKK | en_HK |
dc.contributor.author | Liebmann, LW | en_HK |
dc.date.accessioned | 2007-10-30T06:45:26Z | - |
dc.date.available | 2007-10-30T06:45:26Z | - |
dc.date.issued | 2001 | en_HK |
dc.identifier.citation | Optical microlithography XIV, Santa Clara, USA, 27 February - 2 March 2001. In Proceedings of SPIE, 2001, v. 4346, p. 1548-1553 | - |
dc.identifier.issn | 0277-786X | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/46237 | - |
dc.description.abstract | The location of a printed edge can be controlled to a fineness that is two orders of magnitude smaller than the design grid, if a slight displacement of the pattern can be tolerated. The essence of this asymmetric subgrid biasing technique is the crenelation of two edges of a pattern into different periods. Fractional arithmetic results in a bias increment that much smaller than that can be achieved with halftone biasing. For a design grid of 20 nm (1X) , and an exposure system with A = 248 nm, NA = 0.68, and a = 0.8, the bias increment can be as small as 0.22 nm. | en_HK |
dc.format.extent | 122497 bytes | - |
dc.format.extent | 5278 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | text/plain | - |
dc.language | eng | en_HK |
dc.publisher | S P I E - International Society for Optical Engineering. The Journal's web site is located at http://www.spie.org/app/Publications/index.cfm?fuseaction=proceedings | en_HK |
dc.relation.ispartof | Proceedings of SPIE | - |
dc.rights | Copyright 2001 Society of Photo‑Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this publication for a fee or for commercial purposes, and modification of the contents of the publication are prohibited. This article is available online at https://doi.org/10.1117/12.435697 | - |
dc.subject | optical lithography | en_HK |
dc.subject | optical proximity correction | en_HK |
dc.subject | halftone biasing | en_HK |
dc.subject | asymmetric subgrid biasing | en_HK |
dc.title | Asymmetric biasing for subgrid pattern adjustment | en_HK |
dc.type | Conference_Paper | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0277-786X&volume=4346&spage=1548&epage=1553&date=2001&atitle=Asymmetric+biasing+for+subgrid+pattern+adjustment | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1117/12.435697 | en_HK |
dc.identifier.scopus | eid_2-s2.0-0035758441 | - |
dc.identifier.hkuros | 58884 | - |
dc.identifier.issnl | 0277-786X | - |