{"title":"Analysis of critical dimension control for optical-, EB-, and X-ray lithography below the 0.2-/spl mu/m region","authors":"H. Fukuda, S. Okazaki","doi":"10.1109/VLSIT.1995.520866","DOIUrl":null,"url":null,"abstract":"Critical dimension (CD) control for optical-, EB-, and X-ray lithography is analyzed. In the 0.1 to 0.2-/spl mu/m region, processing factors such as diffusion of chemical species in resist films and mask edge accuracy become dominant. These make it difficult to achieve this scale with sufficient CD control even with post-optical lithography methods.","PeriodicalId":328379,"journal":{"name":"1995 Symposium on VLSI Technology. Digest of Technical Papers","volume":"14 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1995-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1995 Symposium on VLSI Technology. Digest of Technical Papers","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VLSIT.1995.520866","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Critical dimension (CD) control for optical-, EB-, and X-ray lithography is analyzed. In the 0.1 to 0.2-/spl mu/m region, processing factors such as diffusion of chemical species in resist films and mask edge accuracy become dominant. These make it difficult to achieve this scale with sufficient CD control even with post-optical lithography methods.
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