J. Lau, J. Miremadi, J. Gleason, R. Haven, S. Ottoboni, S. Mimura
{"title":"No clean mass reflow of large over molded plastic pad array carriers (OMPAC)","authors":"J. Lau, J. Miremadi, J. Gleason, R. Haven, S. Ottoboni, S. Mimura","doi":"10.1109/IEMT.1993.398221","DOIUrl":null,"url":null,"abstract":"A no clean mass reflow process for 396-pin, 324-pin, and 225-pin over molded plastic pad array carriers (OMPAC) is presented. Emphasis is placed on the OMPAC assembly parameters, such as the design, material, and process of the packages and printed circuit board (PCB), solder paste, stencil design, printing technology, pick and place, mass reflow, and inspection. Cross sections and the \"popcorn\" effect of the OMPAC assembly are discussed.<<ETX>>","PeriodicalId":206206,"journal":{"name":"Proceedings of 15th IEEE/CHMT International Electronic Manufacturing Technology Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 15th IEEE/CHMT International Electronic Manufacturing Technology Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IEMT.1993.398221","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
A no clean mass reflow process for 396-pin, 324-pin, and 225-pin over molded plastic pad array carriers (OMPAC) is presented. Emphasis is placed on the OMPAC assembly parameters, such as the design, material, and process of the packages and printed circuit board (PCB), solder paste, stencil design, printing technology, pick and place, mass reflow, and inspection. Cross sections and the "popcorn" effect of the OMPAC assembly are discussed.<>
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