A. Macpherson, W. Weisenberger, H. Day, A. Christou
{"title":"Effects of Fast Temperature Cycling on Aluminum and Gold Metal Systems","authors":"A. Macpherson, W. Weisenberger, H. Day, A. Christou","doi":"10.1109/IRPS.1975.362684","DOIUrl":null,"url":null,"abstract":"Microwave power transistors in a radar-system may undergo ~ 1011 fast heating and cooling cycles during lifetime. Controlled temperature cycling tests have been carried out on Al, passivated Al, and gold metallization systems using both a special test pattern and commercially available transistors. Significant visible and electrical changes were observed for Al, glassed Al and a laboratory Ta-Pt-Ta-Au system, but not for a commercial gold transistor.","PeriodicalId":369161,"journal":{"name":"13th International Reliability Physics Symposium","volume":"56 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1975-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"13th International Reliability Physics Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IRPS.1975.362684","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
Microwave power transistors in a radar-system may undergo ~ 1011 fast heating and cooling cycles during lifetime. Controlled temperature cycling tests have been carried out on Al, passivated Al, and gold metallization systems using both a special test pattern and commercially available transistors. Significant visible and electrical changes were observed for Al, glassed Al and a laboratory Ta-Pt-Ta-Au system, but not for a commercial gold transistor.
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