Electronics Forum | Wed Jun 16 14:05:23 EDT 1999 | Dave F
| A potential customer of our is inquiring if we have capability | for Hot Bar manufacturing in the PCBA manufacturing world. If someone can explain to me what this entails, I would greatly appreciate it. Thank you. | Gary: Tell your customer NO
Electronics Forum | Wed Jun 09 13:11:29 EDT 1999 | John Thorup
| In past PCB designs I have cleared all traces from all layers | (except pwr/gnd) from fiducial area. It has come to my attention that this is only necessary on the side where fud is placed. Which is the correct method of design using a fidicial?
Electronics Forum | Mon May 10 15:55:16 EDT 1999 | Paul Wieland
| Can anyone pls enlighten me on the rework of BGA. | I reworking on a optic BGA with a glass plate on it. | Is there any special requirement to take care for the | rework. | | Thank You **************** I don't fully understand you problem but
Electronics Forum | Fri Apr 23 16:19:17 EDT 1999 | Todd
We are just starting to manufacture a PCB with a .039" fine-line PBGA. We are currently seeing voids, mainly in the center, that are as much as 45%. We also intermittently see the corner balls of the PBGA smaller than the center balls. We are using a
Electronics Forum | Fri Feb 19 09:29:38 EST 1999 | Justin Medernach
| What to look for that causes tombstoning and the corective action. | The three biggest causes that I can think of are placement machine component picking inaccuracy, placing inaccuracy, and design design design. If your placement platform is pic
Electronics Forum | Tue Feb 09 18:48:21 EST 1999 | Earl Moon
| Has anyone had any experience in using SMT to mount an organic (FR-4, Getek) rider card onto an organic (FR-4, Getek) mother board? By SMT I mean the attachment of the rider card would be through pads directly to pads on the mother board. | | Than
Electronics Forum | Wed Oct 07 22:40:05 EDT 1998 | Eric R.
Came a cross an interseting observation/question. I'll need to filter additional information and specifics to those whom may be able to assist me. But for now; I use a water soluble base organic flux manufactured by Kester (the exact solution will
Electronics Forum | Thu Sep 17 00:14:09 EDT 1998 | Kevin DeLillo
/= 1.67, the GSMs can handle the complete range of SMC components(0402-QFPs, BGAs, CSP, etc.)PLUS odd form components as well. And if that isn't enough, it can also dispense adhesive or solder paste. Universal's System Group can also put together a
Electronics Forum | Fri Aug 28 11:14:46 EDT 1998 | Justin Medernach
| General Question to anyone. If you were to go out and build the ideal stencil for pasting boards, what would be the best way to build a stencil? I have some boards that have 19.7 mil pitch parts and the pad width is 10 mil. The length of the pa
Electronics Forum | Mon Aug 24 19:08:07 EDT 1998 | Stev Evers
| Does anyone have any recommendations for SMT Adhesive and Solder Paste Cleaning Systems? We are looking for a complete system of Chemical, Equipment, etc... Utrasonics are the only technology for my money that offer any hope of removing this tack
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