Electronics Forum | Fri Jun 18 05:36:55 EDT 2010 | elsey1987
Dear all friends, our company want to import JUKI SMT pick&placement machine to China,However, I really did not understand two recent clients,When I say their prices are higher,one of them replied to me:all of your first replies are always the same.
Electronics Forum | Sat Jan 26 21:33:39 EST 2013 | sarason
Looks like you have a carbon black process that isn't quite plating to completion, pin prick size holes have remained in the plating. When dipped in an etchant (ie any acid or H2O) the holes grow and they leak carbon. This may be more of a problem th
Electronics Forum | Sat Sep 27 11:30:06 EDT 2003 | Fede Muelas
Hi, My name is Federico Muelas, I�m an artist working with technology and I�m having a solo show in Barcelona at the end of the year titled �the sound of the chocolate smell� where I�m showing my recent installation pieces, you can check the info of
Electronics Forum | Mon Mar 19 06:47:36 EDT 2007 | chrissieneale
After a little investigation (with my eyes closed and fingers crossed) how about up to 24 hours?! ?! I think i might have found one of the root causes of my oooooodles of rework.
Electronics Forum | Fri Mar 16 06:36:35 EDT 2007 | realchunks
Hi Chris, You should check your data sheet from the paste manufacturer, but the bottom line is, does this wait step cause any quality problems? If not, then it's a hard argument to say this is a bad practice. Next you may want to find out why th
Electronics Forum | Thu Mar 14 10:49:44 EDT 2013 | babe7362000
Have others seen a higher rate of machine downtime due to the cover tape on parts not pulling back properly. We have the same problem on the Jukis and Quads. About every 3 minutes the machine stops and the operator has to pull the tape back. And in
Electronics Forum | Wed May 02 07:47:21 EDT 2007 | Bob R.
Don't dink with the profile until you have evidence that the profile has something to do with the problem. Step 1 is a cross-section. Where are the joints breaking? Do the joints show signs of proper wetting & intermetallic formation?
Electronics Forum | Thu Apr 03 09:27:04 EST 2003 | davef
First, welcome to SMTnet. On your question, are you talking about control charts? If so, here's some background on control charts http://deming.eng.clemson.edu/pub/tutorials/qctools/ccmain1.htm What are you plotting: * Independant variables? * De
Electronics Forum | Tue May 01 07:38:11 EDT 2007 | realchunks
You say the BGA recommended profile? Or did you mean the solder paste recommended profile? I would use the solder paste profile over a parts recommended profile any day. You may need to create a hybrid of the two to get better results. What type
Electronics Forum | Thu Jun 03 13:15:40 EDT 1999 | Scott
| To All Who read My bashing of the Placemax equipment line, | I am posting this apology because it was brought to my attention by the owner of the company that I was out of line. That my bashing was not just! I gave it some thought and he is ri
