Electronics Forum | Thu Oct 11 22:25:50 EDT 2001 | davef
Bruce I�m with yall. Designers and fabricators say �pins�. You say: * BGA pins are 1mm [0.039�] pitch. * BGA pads are 0.4mm [0.0157�] diameter. * BGA pins are 0.6 mm [0.024�] side-to-side. * Board thickness is ~0.4 mm [0.015�] First, as you can
Electronics Forum | Wed Jan 10 04:38:05 EST 2018 | smtspareparts
Obviously the cost difference between only smt and smt+th is huge though TH only 1 components,they need different material,machines,tools and control methods,so if possible just use only smt process to assemble all components,but to verify if the usb
Electronics Forum | Thu May 07 17:50:41 EDT 2009 | ecad
Hi, I'm a newbie here but I've lurked about this forum in the past! I'm an experienced PCB Designer I've found myself out of work due to the economy so I'm attempting to start out as a freelancer, I've found that more than a few of the smaller R&D fi
Electronics Forum | Wed Jan 10 04:39:42 EST 2018 | smtspareparts
Obviously the cost difference between only smt and smt+th is huge though TH only 1 components,they need different material,machines,tools and control methods,so if possible just use only smt process to assemble all components,but to verify if the usb
Electronics Forum | Thu Apr 05 23:27:37 EDT 2007 | mika
to pad on the PCB. The pick & placement as I mentioned before is OK. Now our X-Ray machine cannot see if the joint is firm whitin the PCB-pad and the LGA-pad. So I still don't know if this "gonna work" in a long term...The customers of ours doesn't
Electronics Forum | Fri Jul 24 13:45:12 EDT 1998 | Bob Willis
Yes you need solder paste for BGA. Have a look at the Free BGA documents on my home page which you can download. They cover design, rework, and general assembly www.bobwillis.co.uk | My firm has just begun it's first PCB that will use BGA packaging.
Electronics Forum | Tue Jul 03 10:20:15 EDT 2018 | yannis
Our firm is SMT factory exclude design, components are selected by customers. We are going on a project by studying the solderability life of warranty at least 3 year for customers requirement. The theory is if the workmanship is good enough, then th
Electronics Forum | Tue Jun 01 15:35:03 EDT 1999 | Earl Moon
| Hi, | | To improve the Design For Manufacturing I am currently looking to write down some design rules that can (and should be) used by our engineering department. | | Can somebody help me get started or give some usefull tips on where to find a
Electronics Forum | Wed Jun 02 15:27:27 EDT 1999 | JohnW
| | Hi, | | | | To improve the Design For Manufacturing I am currently looking to write down some design rules that can (and should be) used by our engineering department. | | | | Can somebody help me get started or give some usefull tips on where
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