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Technology Stocks : Loral Space & Communications -- Ignore unavailable to you. Want to Upgrade?


To: Rocket Scientist who wrote (4219)8/10/1998 7:05:00 PM
From: ccryder  Respond to of 10852
 
The lead in solder can form whiskers in a vacuum and with the necessary electric field. Conformal coating of PC Boards helps to control whisker growing but many parts used in aircraft or missiles do not work well in space because of this problem. Seals on parts for space use should be glass to metal, brazed, or welded, for example, and not soldered. Part of the many details which even a top notch outfit can miss.