Larry,

You don't say where you are loosing your components.  Handling prior to
wave or at the wave or a combination of both? 

The best smd adhesive I ever ran was an Ashai (sp) product that used to
be sold by Multicore, but it went away when Loctite took them over.  In
my shear tests on this product, I would break the solder mask loose from
the PWB or would break the 1206  test resistor before the smd adhesive
bond would break.  GOOD STUFF - but I have not been able to find it
since Multicore stopping selling it, and believe me I have tried.

Good luck,

Gary Camac   

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Davis, Larry
Sent: Friday, January 11, 2008 11:38 AM
To: [log in to unmask]
Subject: [TN] Bottom side SMT adhesives

Happy Friday Everyone!

We are currently stencil printing Loctite 3612 for our bottom side SMT
parts.  We have trouble getting larger parts (SOL's, tantalums, etc) to
stay attached consistently.  I'm just wondering what products others are
using for this process and if anyone has had the same issue.

Thanks and have a great weekend!

Larry


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