Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.

SMTnet
»
Electronics Forum
»
Via in Pad Production

Via in Pad Production

Subscribe to Thread

Hi, We are thinking about starting to use via in Pad, for... - Nov 10, 2004 by

Via in pad is an engineer's dream and a production nightmare... - Nov 10, 2004 by davef

dont do it......its bad voodoo.........nothing but trouble a... - Nov 10, 2004 by

Argh!! Capillary action! ... - Nov 11, 2004 by Rob

Hey, where did my solder go? ... - Nov 11, 2004 by CL

Check out ... - Nov 11, 2004 by Matt Kehoe

Wow, it's amazing what you can achieve with smoke & mirrors!... - Nov 11, 2004 by Rob

??? If you are referring to the SIPAD VIP, it is all done... - Nov 11, 2004 by Matt Kehoe

If its lead free solder, no where! It's right where you lef... - Nov 11, 2004 by

Grant

#31288

Via in Pad Production | 10 November, 2004

Hi,

We are thinking about starting to use via in Pad, for both BGA and 0402 and 0201 components.

Does anyone know how this would effect production. Obviously PCB production is not difficult, but this should only effect production and assembly.

Regards,

Grant

reply »

davef

#31292

Via in Pad Production | 10 November, 2004

Via in pad is an engineer's dream and a production nightmare. Search the SMTnet Archives.

reply »

bobpan

#31306

Via in Pad Production | 10 November, 2004

dont do it......its bad voodoo.........nothing but trouble awaits.

reply »

Rob

#31322

Via in Pad Production | 11 November, 2004

Argh!! Capillary action!

reply »

#31323

Via in Pad Production | 11 November, 2004

Hey, where did my solder go?

reply »

Matt Kehoe

#31324

Via in Pad Production | 11 November, 2004

Check out http://www.sipad.com/SIPADVIP.htm

reply »

Rob

#31331

Via in Pad Production | 11 November, 2004

Wow, it's amazing what you can achieve with smoke & mirrors!

Only joking. Does the original via hole covering solder get put on at the PCB fabrication plant, or by the customer? & Does the entire board get reflowed or do you have a process where hot air is directed over the relevant areas?

Cheers,

Rob.

reply »

Matt Kehoe

#31347

Via in Pad Production | 11 November, 2004

???

If you are referring to the SIPAD VIP, it is all done as a service after the bare boards are built and before they are delivered to the assembler. The whole board is reflowed during the application.

Send me some contact info and I will call you to elaborate.

reply »

Ken

#31352

Via in Pad Production | 11 November, 2004

If its lead free solder, no where! It's right where you left it.

reply »