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Metal Whisker Videos

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Preliminary Guidance for Optical Inspection for Metal Whiskers

The following videos have been produced by component engineers from the NASA Goddard Space Flight Center and the NASA Shuttle Logistics Depot to document various aspects of metal (e.g., tin and zinc) whiskers.  

Video # Subject Production Date Description
10 NASA Shuttle Logistics Depot-Tin Whisker Video
Hi-Res MPEG file (~45Mbytes)
Lo-Res WMV file (~11Mbytes)
 April 2007 Video detailing the efforts of the the NSLD in addressing a massive tin whisker infestation in NASA Space Shuttle avionics boxes
9 Tin Whisker Infestation on Tin-Plated Card Rails
(~5Mbytes)		 November 2006 Video showing extreme tin whisker infestation on tin-plated card rails
8 D-Sub Connectors with Tin Whiskers (~5Mbytes) July 2006 Video showing tin whisker growing on D-Sub Connector Shell
7 Transformer Cans with Tin Whiskers (~5Mbytes) July 2006 Video showing tin whiskers growing from tin-plated transformer cans
6 RF Enclosures with Tin Whiskers and Loose Whisker Debris (~5 Mbytes) January 2007 Video showing tin whiskers on RF enclosure that produced field problems for an anonymous source.
5 Electromagnetic Relay with Tin Whiskers  (~11 Mbytes)
(Mfr date 1993. Inspection date 2006)		 June 15, 2006 Video showing long tin whiskers on an electromagnetic relay made in 1993 and inspected in 2006.
4 Terminal Lugs with Metal Whiskers (~5 Mbytes) May 26, 2006 Video shows metal whiskers on terminal lugs
3 Tin Whiskers on Variable Capacitor - 1960 Grundig Radio
(~5 Mbytes)		  April 2006 Video shows extremely dense growth of tin whiskers on a variable air capacitor inside of a 1960 vintage radio tuner. Longest whisker in video ~8-mm. Video highlights extreme flexibility of long, slender whiskers. 
2 Tin Whisker Growth Kinetics
MPG Format (11 MBytes)		 Nov. 5, 2002 Demonstrates the growth process of a tin whisker over a period of ~1.5 months
1

Tin Whisker Motion Due to Gentle Air Currents

RealPlayer Format (2.5 MBytes)
MPG Format (26 MBytes)
 Nov. 5, 2002 Demonstrates how some tin whiskers behave under influence of minor air currents.  These whiskers were found growing inside of electromagnetic relays whose procurement specs prohibited the use of pure tin-plating, but the finish WAS PURE TIN nevertheless.

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Responsible NASA Officials:

   Michael Sampson/NASA GSFC Code 306
   Dr. Henning Leidecker/NASA GSFC Code 562		 Additional Researchers: 

   Jong Kadesch/Orbital Sciences Corp.
   Jay Brusse/Perot Systems

Last Updated:

December 10, 2007

DISCLAIMER:
This website provides information about tin whiskers and related research. The independent research performed during the past 50+ years is so vast that it is impractical to cover all aspects of tin whiskers in this one resource. Therefore, the absence of information in this website about a particular aspect of tin whiskers should NOT be construed as evidence of absence.

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