Browsing by Author "Jordanov, Nikola Stefanov"

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    Reliability improvement in consequence of investigation PCB silver electrochemical migrations
    (Видавництво Національного університету "Львівська політехніка", 2002) Jordanov, Nikola Stefanov; Andonova, Anna Stoynova; Atanasova, Natasha Georgieva; Technical University of Sofia, Dept. of Microelectronics
    Looking for a compromise between high functionality and convenient and effective materials the silver has got many proved and achievements qualities for PCB. The main problem in using as a constructive materials its high disposition of migration. The investigation of a concrete type of migration between silver conductors is the goal of the paper. For this purpose an investigation techniques is presented to qualifying PCB structures. Some test structures are designed and produced and experimental results are results are analyzed.