Hi, Joyce.
Sorry, I tried different methods using paste and different brands of paste (including pre-drying) on connector pins but could not escape the voids entirely. Pre-drying the paste after insertion/before reflow did reduce the voiding, but was not practical from an assembly standpoint. I ended up using honeycomb (daisychain) pre-forms, with absolutely no voiding but a few minutes of added assembly time. If anyone else has ideas, I also would like to hear about them.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Joyce Koo
Sent: Tuesday, August 07, 2012 4:04 PM
To: [log in to unmask]
Subject: [TN] pin in paste

Joyce Koo
Materials Researcher - Materials Interconnect Lab Research In Motion Limited
Office: (519) 888-7465 79945
Mobile: (226) 220-4760

Hi, Calling on all of the gurus, Anyone has one or two good reference regarding voiding minimization or voiding elimination for pin in paste?  Hopefully it is not in need of using performs.  Many thanks for all your help. 
Best regards,
            joyce

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