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May 2006

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Fri, 12 May 2006 14:32:10 +0530
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Can somebody clarify on few queries wrt the preheating of the bare boards befor assembly.

1.    Is preheating a must and if so at what temperature and for what duration should it be carried out. Is there any standards specifying this

2.    If the assembly of the board is being carried out at different phases, is preheating required before each stage

3.    Can anybody help on the specifications on hand soldering of SMD components

Pradeep

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