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Professional Program Proceedings. Electro 98 (Cat. No.98CH36240)最新文献

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Microvia PWBs: do they cost more? Microvia pwb:它们的成本更高吗?
Professional Program Proceedings. Electro 98 (Cat. No.98CH36240) Pub Date : 1998-06-09 DOI: 10.1109/ELECTR.1998.682106
A. Singer, R.M. Bhatdkal
{"title":"Microvia PWBs: do they cost more?","authors":"A. Singer, R.M. Bhatdkal","doi":"10.1109/ELECTR.1998.682106","DOIUrl":"https://doi.org/10.1109/ELECTR.1998.682106","url":null,"abstract":"Microvia technology can allow lower manufacturing cost while offering higher interconnect density. Critical hurdles in actually achieving lower cost depend on design and manufacturing capability. With regard to designs, the degree to which PWB designers take advantage of microvia technology directly translates into cost savings particularly if area reduction can be maximized. Manufacturing capability also impacts the likelihood of cost reduction. Specifically, how panel size is traded off with manufacturing yield has great influence on board cost. This article shows a design case study to show how the tradeoff can be made.","PeriodicalId":402966,"journal":{"name":"Professional Program Proceedings. Electro 98 (Cat. No.98CH36240)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134474744","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Solder paste in SMT: a training perspective 焊锡膏在SMT:培训的角度
Professional Program Proceedings. Electro 98 (Cat. No.98CH36240) Pub Date : 1997-05-06 DOI: 10.1109/ELECTR.1998.682101
D. J. Peck
{"title":"Solder paste in SMT: a training perspective","authors":"D. J. Peck","doi":"10.1109/ELECTR.1998.682101","DOIUrl":"https://doi.org/10.1109/ELECTR.1998.682101","url":null,"abstract":"An effective stencil printing operation is essential for quality SMT assembly. This can be achieved only by thorough operator training in all aspects of the printing process. The operator must have a working knowledge of solder paste, paste quality testing, and handling. He/she must understand all aspects of printer setup, and the effects of setup deficiencies. Postprint inspection by the operator is critical in verifying print quality, as is maintenance of effective SPC monitoring.","PeriodicalId":402966,"journal":{"name":"Professional Program Proceedings. Electro 98 (Cat. No.98CH36240)","volume":"2374 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130429323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
EU Machinery Directive guidelines for machinery 欧盟机械指令机械指南
Professional Program Proceedings. Electro 98 (Cat. No.98CH36240) Pub Date : 1900-01-01 DOI: 10.1109/ELECTR.1998.682112
J. Geppert
{"title":"EU Machinery Directive guidelines for machinery","authors":"J. Geppert","doi":"10.1109/ELECTR.1998.682112","DOIUrl":"https://doi.org/10.1109/ELECTR.1998.682112","url":null,"abstract":"The following topics were dealt with. Essential health and safety requirements; conformity; machinery with increased risk; EC-type examination; and minimum criteria for notified bodies.","PeriodicalId":402966,"journal":{"name":"Professional Program Proceedings. Electro 98 (Cat. No.98CH36240)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115413156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Test and measurement for fiber optic communications 光纤通信的测试和测量
Professional Program Proceedings. Electro 98 (Cat. No.98CH36240) Pub Date : 1900-01-01 DOI: 10.1109/ELECTR.1998.682115
J. Hayes
{"title":"Test and measurement for fiber optic communications","authors":"J. Hayes","doi":"10.1109/ELECTR.1998.682115","DOIUrl":"https://doi.org/10.1109/ELECTR.1998.682115","url":null,"abstract":"Fiber optics is now the transmission medium of choice for telephony, CATV and LAN backbones, and looks to be the primary choice for all gigabit networks. New technology is allowing up to 80 GB/s over a pair of singlemode fibers and over 1 GB/s over multimode fiber in premises applications. Fiber amplifiers and externally modulated lasers are reaching very high power levels. Dense wavelength division multiplexing is allowing dozens of individual links to share a single fiber. These and other new technologies are demanding new testing methods and equipment. This presentation will cover the basics of fiber optic testing as well as the new technology requiring advanced test methods. A survey of currently available test equipment and likely future advances are also discussed.","PeriodicalId":402966,"journal":{"name":"Professional Program Proceedings. Electro 98 (Cat. No.98CH36240)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123894660","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Noise filtering on cables 电缆噪声滤波
Professional Program Proceedings. Electro 98 (Cat. No.98CH36240) Pub Date : 1900-01-01 DOI: 10.1109/ELECTR.1998.682107
L. Hill
{"title":"Noise filtering on cables","authors":"L. Hill","doi":"10.1109/ELECTR.1998.682107","DOIUrl":"https://doi.org/10.1109/ELECTR.1998.682107","url":null,"abstract":"Noise on cables is most often the unintended part, unrelated to the intended signals or data. External cables can be considered as antennas. Antenna theory can explain how cable filters work. Maxwell's equations can be used.","PeriodicalId":402966,"journal":{"name":"Professional Program Proceedings. Electro 98 (Cat. No.98CH36240)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133027764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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