Just like BGAs we have found success with small weights (pieces of
stainless or coins) if such bowing happens.
You have to make sure it is no too much weight else you will solder shorts.
On Wed, Jul 6, 2016 at 1:39 AM, Deng RongJun <[log in to unmask]> wrote:
> Hello fellow Techies,
> I have got a problem with shielding cans deformation issue. There are
> several kinds of shielding cans on board, we have found one shielding have
> deformation after reflow, one side of shielding lift and not solder on
> We also do a test, bake the individual shielding in oven with 230 degree,
> the shielding still have deformation and two corner have lift. Take out the
> shielding from oven and temperature go down, then shielding go back to good.
> Any one of you have experience on this case?
> Thank you very much.
> Best regards
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