Electronics Forum | Thu Mar 09 05:10:52 EST 2000 | Edmund
Can anyone please help me what is the design guidelines or DFM for BGA product. Rdgs...
Electronics Forum | Thu Mar 09 05:10:52 EST 2000 | Edmund
Can anyone please help me what is the design guidelines or DFM for BGA product. Rdgs...
Electronics Forum | Wed Nov 29 10:31:19 EST 2006 | dougs
Hi, Just wondering what, if any, design rule checks each of you do prior to running new products. Comments from contract manufacturers particularly welcome. regards Dougs
Electronics Forum | Tue Feb 28 07:47:33 EST 2006 | davef
The key driver to aperture design is to assure a fillet of the proper height for the component temination and the reliability of the end-product customer use environment.
Electronics Forum | Wed May 22 12:16:14 EDT 2002 | wister
Yes,stencil supplier can give me some suggestion.but all need to be verified again and again.if there is such software can tell us everything about the stencil design? verify if before it be made.I do think it will save time to launch NPI and save ti
Electronics Forum | Thu Nov 30 10:01:52 EST 2006 | realchunks
It depends. If it's a current desing that can't be changed, we go outside the box on any issue to see if we can build it. Then it all comes down to time versus dollars. If it's a new product we offer suggestions to the customer and try to bang out
Electronics Forum | Tue Oct 30 19:42:44 EST 2001 | davef
Jim Blankenhorn [www.smtplus.com] has the best understanding of designing pads for real life. That�s because he designs them like he wants to design them and doesn�t negotiate with a committee of thousands for an IPC standard. Consider doing this
Electronics Forum | Tue Feb 04 09:03:45 EST 2003 | Russ Roberts
Greetings, I am pretty new to SMT production, and have learned much from this forum. I am getting ready to build a CCA with many 0402 parts that are really close together. I consider these fine pitch. The board also has two QFPS, so my stencil design
Electronics Forum | Thu Apr 12 09:50:51 EDT 2007 | pjc
There have been many designs of apertures for 0402, round, home plate, inverted home plate and various reduction amounts for square or rectangular apertures. What works best for a given application depends on PCB design, solder land finish, stencil t
Electronics Forum | Wed Feb 22 10:00:58 EST 2006 | dougs
We've just set up a couple of products with 0.5mm pitch uBGA devices on them, i went for 5thou thick, laser cut nickel (to aid paste release) square pads same size as the diameter of the uBGA pads. Or you could go to a 4 thou nickel stencil, better
