Victor Li wrote:
> 
> Hi,
> 
> I have seen some SMT components laying on circuits on a sheet of plastic,
> which can be folded and saves some space.  I also heard that cellular phone
> or camera uses this kind of circuit board due to the limited space available.
> 
> My question is : how do they solder the components onto it?  Normal
> reflow?  Would it go through the 200C without damage?  What is the
> material of it?
> Thank you very much.
> Best regards,
> Victor

Hi Victor
We do it the hard way.  By hand.  Usually one QFP100 and a few 0805
chips.  Not hard, just slow.  We haven't tried reflow, yet, because the
orders are always in the 50-100 range.
The pads lift VERY easily so be careful.

Jack

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