Electronics Forum | Wed Aug 27 21:04:05 EDT 2003 | Dave
Rich, I use water soluble in a DEK Proflow unit. We can print faster (about 4 times faster), and the paste lasts much longer than it being exposed to air. In addition to this, the prints we have now are even better than with a squeegee. I havn't
Electronics Forum | Wed Nov 23 07:08:31 EST 2005 | Al
Hi, I'm working as a process engineeer at a PCB manufacturing plant. I'm a part-time degree stundent, and for my final year project I have to evaluate and implement a selective soldering process. In order to do this, I need to find some good books
Electronics Forum | Mon Jan 27 18:47:10 EST 2003 | jonfox
I'm a former Q/M/Tyco field guy, what was so bad? I know the guys in tech support, and as far as I'm concerned they are all top notch guys when it comes to troubleshooting and finding problems with their equipment. Not only that, but the Quad machi
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 26 11:34:10 EST 2005 | attilio
As per the title. I'm a manufacturing engineer writing from Italy. We have an old oven ETS/Universal branded that needs to replace a control card. It's an IR lamp oven still utilized to cure glue. Unluckily here there's no more availability of the
Electronics Forum | Thu Aug 14 16:36:45 EDT 2003 | Hussman
Anyone using these 2010 resistors? We just tried them and they bow like crazy during reflow. Not very good looking. Profile meets manufacturers spec. The part solders and works fine, but I'm a little concerned about putting anything on a board th
Electronics Forum | Thu Nov 29 04:43:09 EST 2007 | b4tt1e
Hi, I'm a final year student of Electronics Engineering and I'm gonna start my final year project about Pick and place system. I've seen the Siemens Siplace pick and place machine and wondering how does the tape feeder know when to feed forward the
Electronics Forum | Fri Jul 27 12:21:18 EDT 2012 | tpatrickwalsh
I am posting this here because I think it may have something to do with PCBA: I have a simple battery-powered consumer product (LED light) that we have been manufacturing for some time. All of a sudden in one batch, we have about a 4% rate of a sing
Electronics Forum | Thu Dec 21 22:31:28 EST 2000 | Dave F
Sorry, but I'm a bit fuzzy on the goal here. Let me be basic. The basic reasons for reducing the life of products before they're shipped are: * Design qualification. This highly accelerated test beats the living stuff out of products to identify d
Electronics Forum | Thu Oct 14 04:12:32 EDT 1999 | Paul Gerits
Hi Jim, I'm a Technical consultant/Application specialist at Philips EMT. Tombstoning is a well know problem with Nitrogen ovens. Proberly there has been a change in your Nitrogen flow or in the nitrogen it self. To see if there was a change run a
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