Electronics Forum | Mon Apr 12 22:13:15 EDT 1999 | Dave F
| Hey guys, | We are opening our new shop in a hotel and would like to hear your inputs. We will be providing contract manufacturing as well as equipment sales from this location. It will be mostly for the surface mount side of our business
Electronics Forum | Fri Jan 15 09:27:18 EST 1999 | Earl Moon
| I saw the problem of void in solder bump or in lead less component or some BGA. But I didn't have standard specification of that void is accept or reject? Do any body have the better idea or suggestion of the criteria ? | | Thank you, | Wirat
Electronics Forum | Fri Aug 06 10:27:05 EDT 1999 | Kenneth Hedman
| | I saw the problem of void in solder bump or in lead less component or some BGA. But I didn't have standard specification of that void is accept or reject? Do any body have the better idea or suggestion of the criteria ? | | | | Thank you, |
Electronics Forum | Tue Jul 28 02:28:48 EDT 1998 | Bob Willis
The causes for solder on gold are: Paste wash offs Dirty stencils Dirty under stencil cleaning cloths/no solvent Poor handling The most common reason is wash offs when there is a couple of balls left on the tabs and they reflow. With correct profile
Electronics Forum | Fri Apr 05 01:52:34 EST 2002 | djarvis
Huh, what, geez. Wazza time Jimbo? Call me a cab. Why is this gentleman retroflecting? Why would anyone make an articulatory gesture by turning the tip of the tongue back against the roof of the mouth? I don't know what this is a bout, but I can a
Electronics Forum | Fri Feb 11 18:51:16 EST 2005 | primus
The operators use SET SEQ and SET SEG. I know all about getting these wrong, because if you forget the "Q" or the "G" you get SET SE which is SET SENSOR. That REALLY messes up our BEC! But then again, I believe our BECs are all calibrated wrong anywa
Electronics Forum | Tue Jan 24 18:21:22 EST 2006 | fredc
I have some old Fuji windmills here and I checked the usefull travel. It is approxiamately 1.5mm, the nozzles are suposed to have .3mm "preload" wich will take away from the usable overtravel. The windmill I checked is a reject that from when we rebu
Electronics Forum | Tue Aug 23 20:46:41 EDT 2005 | darby
If I had my way - the person checking the incoming kit should be able to at least run, troubleshoot and preferably programme the SMT line. In fact they should be an expert.They have the paper work in front of them for that job. If the tape is cut - t
Electronics Forum | Thu Apr 19 08:50:38 EDT 2007 | rgduval
Welcome to RoHS. Or, at least, to the version of RoHS that I've had to deal with since I started with my current company. Blowholes and pinholes seem to be common in PB-free manufacturing. At least, they have for me here. I also note that IPC has
Electronics Forum | Thu Sep 11 11:45:28 EDT 2008 | realchunks
At first glance you would think so. But just as in real life manufacturing, EVERY problem can be solder related. Naturally the problems with broken parts, wrong parts, parts made wrong etc... are generally found right ways, so no one really posts t