Electronics Forum | Wed Feb 22 08:02:56 EST 2006 | dj44
I was looking for an stencil design for a 0.5mm pitch uBGA. Pad size is 0.38mm in diameter. We have been using 5mil stencil with type 3 no clean paste. What size aperture should we be using? Any suggestions?
Electronics Forum | Fri Feb 24 06:42:08 EST 2006 | SIR
What is the IPC norm wich drives the IPC stencil aperture design? The contest is: a stencil for the deposition of solder pastes on bare boards Thanks
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 | Fri Apr 21 12:19:59 EDT 2006 | fastek
A lot has changed since the AP25 was designed. What looks like a bad design today was cutting edge 10-12 years ago.
Electronics Forum | Wed May 17 17:27:58 EDT 2006 | smt_guru
My consultancy firm will perform a process capability analysis on your 0201 feeder performance characteristics. We will leverage and integrate various feeder designs utilizing electro-mechancial design modeling and simulation. Please consult us in
Electronics Forum | Thu Nov 09 17:54:54 EST 2006 | russ
I would trust that you are benchmarking some design rules as well? Yield is directly related to design as well as process capability. anyway 95% is not a bad first pass yield at all, and I would tend to think that that is a little high when dealing
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 | Thu Nov 30 05:08:40 EST 2006 | aj
5mm. 3.Check that there are fiducials. The above checks are purely for Processing the board thru the machines. There are lots of other checks for stencil design etc. aj...
Electronics Forum | Fri Jan 19 08:52:31 EST 2007 | pavel_murtishev
Good afternoon, DEK�s Pump Print is used for solder paste printing as well. Send your design to DEK and they will design the Pump Print stencil for your needs. Please note that price for pump print stencils is five times higher compared with convent
Electronics Forum | Mon Apr 02 16:42:30 EDT 2007 | grantp
Hi, I wish that anyone who developed software for SMT would hire a graphic designer to help make the user interface look good and clean looking. Good design sets us apart from the animals, and is important! Regards, Grant
