{"title":"Interferometric Surface Metrology of Magnetic Recording Materials","authors":"D. M. Perry","doi":"10.1364/oft.1985.thaa3","DOIUrl":null,"url":null,"abstract":"Surface roughness of magnetic recording media has been experimentally and theroetically related to the performance of the media (ref. 1). A computerized three-dimensional interferometer (ref. 2) has become an invaluable aid in the development of current and next generation recording products. Correlations of −0.95 and better are routinely achieved between the measured RMS roughness and magnetic performance measures such as rf output in dB.","PeriodicalId":142307,"journal":{"name":"Optical Fabrication and Testing Workshop","volume":"43 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optical Fabrication and Testing Workshop","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/oft.1985.thaa3","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
Surface roughness of magnetic recording media has been experimentally and theroetically related to the performance of the media (ref. 1). A computerized three-dimensional interferometer (ref. 2) has become an invaluable aid in the development of current and next generation recording products. Correlations of −0.95 and better are routinely achieved between the measured RMS roughness and magnetic performance measures such as rf output in dB.
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