Electronics Forum: ring and ersa (Page 2 of 4)

BGA rework and inspection

Electronics Forum | Thu May 30 10:31:03 EDT 2002 | robbied

Hi Yannick. This is an issue that we are just recently getting into but here is some ifo that I have gathered so far. I have seen/ used 2 different rework machines. The one we have bought is a 'PACE TF2000' which was at the lower cost end of the mar

BGA ball and PCB pad

Electronics Forum | Wed Feb 18 12:42:43 EST 2004 | babe

OK, if the sphere of the ball and the paste on the pad are both eutectic, 63/37 then the paste will reflow first causing a drop of the component, after which the spheres will reflow causing a double drop and a good intermettalic. You can see this by

Rework and repair system suggestions

Electronics Forum | Thu Jan 27 11:33:59 EST 2005 | russ

For what you have right now I would recommend that you use soldering iron tips that are made for component removal. until you get BGAs I wouldn't worry a whole lot about the expensive rework equipment. I would use specialty tips and a heat gun wit

Pick and Place drops nozzles

Electronics Forum | Wed Jul 27 12:50:59 EDT 2005 | mnguyen

You may want to look at which spindle that is dropping the nozzle and check the O-ring on the spindle head. It's probably bad, cracked, or broken. Replace it and that will fix it

SMT and BGA Rework Machine

Electronics Forum | Tue Aug 22 03:04:07 EDT 2006 | PP

Any help/suggestion is much appreciated I am doing lots of BGA Reworks from a small uBGA with a few balls to a large BGA with over 1500 balls. The reworks have been done on SRT 1100 Series Machine for many years. SRT 1100 Machine is good for the c

Rework and repair system suggestions

Electronics Forum | Thu Jan 27 06:39:59 EST 2005 | reash

For now, on this first board, we will be reworking components such as 0805 and 1210 size caps and resistors, along with SOT-23 and SC-70 size packages. We might eventually get into BGAs. This board will most likely be a double-sided board, probably

Printer and Reflow Oven Recommendations

Electronics Forum | Fri May 15 21:39:48 EDT 2015 | jlawson

Reflow.. 1.Rehm (Germany) - Best in Class Best overall process stability heating system ( Alot of makers have started to copy there VX heating arrangement ). COnveyor chains can be a bit more attention in terms of maintenance on rehm , but if foll

BGA dead bug pick and place

Electronics Forum | Fri Jun 18 11:31:17 EDT 2004 | gregp

I think it depends on the thickness of the PORON sheet. For .3mm balls you could probably get away with a pretty thin sheet (maybe 1/16"). I don't know how thin it comes offhand. For the part you are describing I woulf try maybe a 3.5mm OD and a 1

kapton dots and liquid solder mask

Electronics Forum | Tue Aug 09 13:25:24 EDT 2005 | pr

From what I can gather, the annular rings are used for grounding when these boards are put in housings. A screw goes through the hole and is torqued down. If there is excess solder on the annular ring, the screw doesn't seat properly. The pallets cov

Dima Manual Pick and Place fp-600

Electronics Forum | Wed Sep 14 04:39:43 EDT 2011 | dilogic

It has very simple construction - there are two rubber o-rings which serve as a coupling. On ours, one was broken and after replacing it with a new one everything was as new. Just open the head and it will all be clear - it's very easy to fix. - Den


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