Well,
        The 0402's have a tendency to fall off when wave soldering.  It is
possible to glue the component so you can pass them though the wave.
However, I would recommend looking at other alternatives first.  One
alternative is to use a selective solder pallet to shield the component.  Or
you can solder mask the component.  I recommend using tape as a solder mask
if at all possible. (Tape has no cure time).  I'm sure there are even more
alternatives that I can't think of right now.

Thanks

Ryan Grant
Advanced Technology Engineer
MCMS
(208) 898-1145
[log in to unmask]



> -----Original Message-----
> From: tangweidong [SMTP:[log in to unmask]]
> Sent: Thursday, June 15, 2000 9:51 PM
> To:   [log in to unmask]
> Subject:      [TN] Wave Soldering with 0402 component or smaller
>
> Hi all:
>          Our R&D center recommend using  0402 and smaller chip instead of
> bigger one.We know wave soldering is not adapt to deal with fine pitch
> component.  Can the smaller chip component pass the wave soldering? We
> have no any experiences about it . Can you give me some abvice?
>
> Thank you very much!
> Well Don
> Huawei R&P center Shenzhen China
>
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