An overview on the climatic reliability issues of electronic devices

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Abstract

The miniaturization of electronic systems and the explosive increase in their usage has increased the climatic reliability issues of electronics devices and components especially having metal/alloys parts exposed on t he Printed Circuit Board Assembly (PCBA) surface or embedded within the multi - layer laminate. Problems are compounded by the fact that these systems are built by multi - material combinations and additional accelerating factors such as corrosion causing proc ess related residues, bias voltage, and unpredictable user environment. Demand for miniaturised device has resulted in higher density packing with reduction in component size and closer spacing thereby increasing the electric field, while thinner metallic parts needs only nano - grams levels of metal loss for causing corrosion failures. This paper provides an overview of the climatic reliability issues of electronic devices and components with a focus on the metals/alloys usage on PCBA surface together with cleanliness issues, humidity interaction on PCBA surface, and PCBA design and device design aspects. Some aspects related to device and enclosure design will also be considered.
Original languageEnglish
Title of host publicationProceedings of the IMAPS Nordic Annual Conference 2014
Number of pages1
Publication date2014
Publication statusPublished - 2014
EventIMAPS Nordic Annual Conference 2014 - Oulu, Finland
Duration: 9 Jun 201411 Jun 2014

Conference

ConferenceIMAPS Nordic Annual Conference 2014
Country/TerritoryFinland
CityOulu
Period09/06/201411/06/2014

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