Hi,

We use Hot-melt product or adhesive foam tapes for gluing the components
on the surface.

Best regards,

Ketan Bhatt.
----- Original Message -----
From: "COWEN,MARC (A-Scotland,ex1)" <[log in to unmask]>
Sent: Wednesday, July 11, 2001 3:43 PM
Subject: PTH soldered onto smt pad


> Hi All,
>
> We currently have a modification to a PCA where we have added a capacitor.
> Unfortunately the only capacitor suitable for this is a through hole
device.
> We have therefore asked our supplier to form the legs as follows:
>
>
>
>
>
>
>
>
>
>
>
> We have had instances where the solder on the left hand leg has not been
> sufficient, the leg has come loose and this has worked like a spring. Also
> the RTV compound we have also found to be unreliable.
>
> Could some-one please advise of the following:
>
> 1.      Is there a better adhesive to use instead of RTV compound?
> 2.      Is there a quick and easy way for an inspector to check the solder
> joint without placing undue stress on the capacitor legs or the solder
> joint? We currently asking inspectors to "gently" try to move the leg
while
> looking at the solder fillet through a microscope to see if there is a
> fracture.
>
> Thanks for your help.
>
> Marc.
>

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