BGA Rework - Removal in Air Atmosphere...powered by Finetech

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Uploaded by on Mar 23, 2009

Read more: http://www.finetech.de/advanced-rework/applications/rework-of-bga-csp.html.
This video demonstrates what happens to the solder sphere as a component is removed in air atmosphere. Due to oxidation of the solder, surface tension effects preclude the residual solder from collapsing and forming a meniscus - and the characteristic chocolate kiss shape is produced.

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Science & Technology

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