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Cooling structure for EMC shielded high frequency electronics
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
2006 (English)In: IEEE transactions on components and packaging technologies (Print), ISSN 1521-3331, E-ISSN 1557-9972, Vol. 29, no 1, p. 155-163Article in journal (Refereed) Published
Abstract [en]

Cooling of electronics is normally achieved using air passing through apertures in the enclosure; as a result the shielding effectiveness of the shielded enclosure is reduced. In this paper, the design of a new cooling structure and its evaluation in a wind tunnel is presented. The developed design presented here is a double heat sink in extruded aluminum. Into one side of the heat sink, the printed circuit boards (PCBs) are inserted and enclosed by a complementary shielding surface. The other side of the heat sink is cooled by forced ventilation. The heat transport between these parts is completely inside the same body, without any heat flow interruptions. Tests carried out on a prototype have shown that the performance of the cooling structure is satisfactory for electronic cooling. An additional electromagnetic compatibility (EMC)-test has also elucidated the satisfactory shielding effectiveness of the structure. The cooling structure is scaleable and can accommodate for both future smaller printed circuit boards (PCBs) and those of today. The entire enclosure is furthermore based on near-standard items, which allows it to be inexpensive in high volume production.

Place, publisher, year, edition, pages
2006. Vol. 29, no 1, p. 155-163
Keywords [en]
Electromagnetic compatibility (EMC), Electronic; Heat sink, High frequency, Shielding
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-8694DOI: 10.1109/TCAPT.2005.853176ISI: 000235900500019Scopus ID: 2-s2.0-33644810998OAI: oai:DiVA.org:miun-8694DiVA, id: diva2:175048
Note

VR-Materials science

Available from: 2009-02-26 Created: 2009-02-26 Last updated: 2017-12-13Bibliographically approved

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Siebert, W Peter

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
  • text
  • asciidoc
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