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May 1997

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Subject:
Fusued SnPb on 50 uml lines and spaces
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Date:
Mon, 19 May 1997 11:25:19 -0500
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Kirk VanDreel
05/19/97 11:25 AM
Does any one have the capability to produce 50 um lines and spaces with 2
um fused solder over the traces?  Experiments have shown a dewetting of the
solder into balls on the traces, however, the wetting angle is not bad.  Is
there a physical constraint we are running into which is causing this
globbing of the solder?


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