Electronics Forum | Tue Apr 01 08:28:19 EDT 2008 | cyber_wolf
DANGER WILL ROBINSON ! DANGER ! If your operators are not real careful the OEM support pins can get under the table frame and bend it. I have seen this happen more times than I would like to discuss. CP's must have the following: 1. Proper part hei
Electronics Forum | Tue Apr 15 03:16:14 EDT 2008 | janz
Hello, We are having a problem with soldering QFP100 (16mmx16mmx1mm). Board dimensions: 70mmx50mmx1.8. FR4 two layers � single SMT assembly. Finish: HASL-lead free Oven: 7 zones �hot air Paste: lead free We have noticed that two groups of legs
Electronics Forum | Wed Apr 30 10:43:28 EDT 2008 | dyoungquist
This runs up a big caution flag in my mind! Counterfiet parts are often produced by removing the original markings and remarking the ICs with different part and lot numbers. I am not accusing you of this BUT we have recently been bit by counterfei
Electronics Forum | Thu May 15 15:02:03 EDT 2008 | ccross
We have seen this problem before. We have ALWAYS found it to be a board vendor issue. Also, we tend to see it more during the summer months. Our solution has been to bake our PCBs @ 50 deg C for 1 hr prior to use. We use immersion white tin board fin
Electronics Forum | Fri May 23 23:47:46 EDT 2008 | dint46
Wayne; Several things. 1.check the vendors and see what black oxide they are using are they the same ? It might be that. 2.You should bake your pcbs before the thermal stress is applied. To remove moisture. At your shop. The proce
Electronics Forum | Mon May 19 15:42:37 EDT 2008 | torch
hey folks, just finished a quick 4 day training course on our 2nd user Quad QSV-1 and will probably have more questions later on but for now can someone confirm that qsoft needs its theta data in + numbers and cannot handle - theta figures? what i m
Electronics Forum | Tue May 20 12:41:27 EDT 2008 | slthomas
We had some materials management brainiac insist that every component of a product had to have an exact quantity stated on the BOM so we had to weigh every board with and without paste printed. We rented a 4 place digital scale, weighed 5 of each boa
Electronics Forum | Tue Dec 16 11:41:26 EST 2008 | fredc
I think fuji and all the after market suppliers use stainless "hypo" tubing for the tips. It is made from 304 stainless which is normally nonmagnetic. In the process of forming this tubing to the hypo specs it is work hardened to 3/4 to full hardness
Electronics Forum | Thu May 22 12:32:35 EDT 2008 | tonyamenson
So here is my problem with the info you gave. If my preheat topside max is 150 - 170 C but my flux calls out a topside temp of 93 - 104 C..... ....Im pretty much up a creek becuase of a poor flux choice? FYI. we are using the Indium 3590-TX for bo
Electronics Forum | Sat Jun 07 04:01:56 EDT 2008 | carmanah
Hi all, Need advice how to fix RJ45 short issue after wave solder m/c .Few actions taken to resolve this issue but the outcome was inclusive which was 1. Modify wave pallet 2. Change conveyor setting from 0.8meter/minute to 0.7 meter/minute 3. Clear
