Electronics Forum | Sun Jan 14 16:35:48 EST 2007 | Austin
I have several boards built at various CM's. We have prototype builds with some JTAG failures on BGA's (1-3 failures with qty 3, 1500 pin BGA's). CM's always claim reflow profiles look good. X-ray does not show bridges and they claim it looks good, b
Electronics Forum | Tue Mar 06 15:59:33 EST 2007 | pima
hello I would like to ask you for advise. I have problem with one of my SMT line and skewed parts at the end of line after reflow. My line is composed: DEK, 3d visual inspection of paste printing, IP3, 8 zones reflow oven. I m builidng there produc
Electronics Forum | Wed Nov 07 11:27:28 EST 2007 | patrickbruneel
Grant, Thanks for sharing that experience with us; this comes to show what damage can be done when politicians make laws based on rumors instead of facts. New laws as drastic as removing lead in soft soldering should have been based on scientific e
Electronics Forum | Fri Dec 12 22:41:27 EST 2008 | split63
I'm looking to purchase a used pick and place machine. A machine like the Samsung CP20 or CP45 is about right. I don't know what the equivalent machine is with the other major vendors such as, Fuji, General, Philips, etc. In general this would be
Electronics Forum | Tue Jan 25 21:29:24 EST 2011 | rway
I understand what you are asking. I just wanted to ask if you or your company has considered purchasing an AOI or ICT? Perhaps both? Both are valuable tools in the manufacturing process. We lived without our AOIs for quite some time, but in my ca
Electronics Forum | Thu May 30 10:06:20 EDT 2013 | rgduval
In general, it would not be advisable. DI water is used for a couple of reasons. First, the missing ions aid in the cleaning process, as they seek to bond with the material on the board, allowing the water to act like a fairly aggressive solvent.
Electronics Forum | Mon Nov 30 09:10:12 EST 2015 | spoiltforchoice
How do you cost the products you sell? We do contract work as well as building our own products but both work streams go through the same costing procedures. How you structure your costs really depends on your business. For instance, you can includ
Electronics Forum | Wed Jul 22 07:51:28 EDT 2020 | spoiltforchoice
> I would have thought the other way. We are > currently using 2 CP642s for high volume and they > are doing an excellent job. Electronic feeders > are too expensive and we don't see any benefit > for that expense. I imagine it
Electronics Forum | Wed Feb 21 16:14:44 EST 2001 | billschreiber
120 degrees F (49 degrees C.), check the fine-pitch apertures for shape distortion (stainless steel has a very poor memory, once it expands, it doesn�t always contract back to the same position). Check for dings and dents. A good stencil cleaning pr
Electronics Forum | Thu Apr 29 10:02:07 EDT 1999 | Chrys Shea
| Anyone using hot air nife for wave soldering process. | Does it work? | Does it really eliminate solder bridging and does it create any other problems? | | any feed back will be much appriciated. | | Thanks | | Tony A | | Tony, The hot knif
