Electronics Forum | Tue Apr 27 10:47:24 EDT 2004 | Bryan
Can you please tell me what is bed of nails test?Thanks a lot! Bryan.she@163.com
Electronics Forum | Tue Apr 27 10:51:30 EDT 2004 | smtguy
It's a bunch of test pins that the board sits on to get tested. HP is a popular supplier of this kind of machine.
Electronics Forum | Wed Apr 28 09:15:15 EDT 2004 | smtpro
Yes we are using a 7 zone and a ramp to spike. How do you handle your solder paste and what printing methods do you use?
Electronics Forum | Mon May 10 16:36:16 EDT 2004 | davef
Look here: http://www.aimsolder.com/techarticles/tech%20sheet%20BGA%20voiding-%20reducing%20through%20process%20optimization.pdf We have no relationship, nor receive benefit from the company linked above.
Electronics Forum | Thu May 13 16:22:01 EDT 2004 | bradlanger
Find out if they decreased the metal load in the new paste to solve the squegee drop off problem.
Electronics Forum | Thu May 13 16:25:38 EDT 2004 | pjc
Try contacting the very excellent applications engineer at Indium. His name is Dave Sbiroli, dsbiroli@indium.com or 800-446-3486 / 315-853-4900
Electronics Forum | Wed Feb 14 02:08:40 EST 2018 | ameenullakhan
Hi Sweetoldbob, Thanks. We are using SMQ92J solder paste ( Sn63/Pb37 ). We are on higher side of reflow time for leaded paste. Regards, Ameen
Electronics Forum | Wed Feb 14 04:48:58 EST 2018 | ameenullakhan
The profile I have shared is for SMQ92J leaded solder paste
Electronics Forum | Tue Apr 27 17:37:30 EDT 2004 | Ren�
We have switched over form Indium's nc-smq92 to > nc-smq92j and are experiencing a ton of solder > balls. Even if the print is dead on we still seem > to be getting them. We never seemed to have this > problem with old paste unless the print was
Electronics Forum | Thu Aug 05 05:23:13 EDT 2004 | Bryan
Hi All,per my understanding ,the fail mode is the heel fillet of QFP seems no good,right?If yes...I think..we should:1.increase the aperture length on stencil and make sure there's enough solder paste on pad before reflow. or you can increase your t
