Kenjiro Watanabe, T. Oyama, Y. Aoki, Noboru Sato, S. Miyaoka
{"title":"New Optical Recording Material for DRAW Discs","authors":"Kenjiro Watanabe, T. Oyama, Y. Aoki, Noboru Sato, S. Miyaoka","doi":"10.1364/ods.1983.wa4","DOIUrl":null,"url":null,"abstract":"Two new recording materials made of vapour-deposited films of Sb2Se3 and Sb2Te3 for video or digital signal recording are reported here. The recording on these films, which take place differently from recording on conventional ablative discs, is achieved by changing the optical characteristics of the film. The transmissivity and reflectivity of these films are greatly changed by irradiation or thermal treatment below 200°C. Since no holes are made on the disc, the size of the recording dot is easy to control, and the noise caused by the edge of the hole is eliminated. These new materials are found to be sensitive enough to permit the use of a diode laser in a DRAW (Direct Read After Write) system.","PeriodicalId":268493,"journal":{"name":"Topical Meeting on Optical Data Storage","volume":"105 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Topical Meeting on Optical Data Storage","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/ods.1983.wa4","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Two new recording materials made of vapour-deposited films of Sb2Se3 and Sb2Te3 for video or digital signal recording are reported here. The recording on these films, which take place differently from recording on conventional ablative discs, is achieved by changing the optical characteristics of the film. The transmissivity and reflectivity of these films are greatly changed by irradiation or thermal treatment below 200°C. Since no holes are made on the disc, the size of the recording dot is easy to control, and the noise caused by the edge of the hole is eliminated. These new materials are found to be sensitive enough to permit the use of a diode laser in a DRAW (Direct Read After Write) system.
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