Electronics Forum | Fri Feb 06 03:56:47 EST 2004 | JaMi Smith
BGAs and QFPs packaged in Trays are oriented with Pin 1 or corner A1 oriented towards the Pin 1 identifier on one corner of the Tray, which is usually identified by a chamfered corner. The Trays themselves are usually governed by JEDEC Registered Ou
Electronics Forum | Tue Apr 27 12:14:08 EDT 1999 | M Cox
Board Experts I am fighting with a board house about a delamination problem.. First the facts 1) 10 layer board .063 thick HASL Finish Aprox 16 in x 17 in. 2) 150 Boards with this part number built with the same reflow oven settings (212 c max t
Electronics Forum | Wed Sep 26 17:50:59 EDT 2001 | mparker
My Opinion/Editorial- Being a frequent (nearly daily) visitor to SMTnet I find postings by some sales types as being a shameless shilling to drum up business. We even experienced (most recently)an audacious posting that was thinly disguised as being
Electronics Forum | Fri Mar 19 10:08:49 EST 2004 | davef
We don't know dip about your Multitronics 2000 SX, but there may be another angle to take in addition to the Tyco tact that Pete C proposed. The facts may not be precise [someone will hopefully straighten things out], but close enough for your needs
Electronics Forum | Sat May 14 17:25:20 EDT 2005 | fastek
"What can be done to create economical advantages over here is review the product flow and eliminate process steps with current existing technology. Process steps that can safely be eliminated are cleaning, visual inspection, post wave assembly etc.
Electronics Forum | Sat Dec 17 14:51:45 EST 2005 | Ola
"What worries me is that a lot of people speak about what they have heard, but there is no firm facts on exactly what the situation is." I do not understand this reply, because what can we do beside listening & read, unless we sometimes ourself do t
Electronics Forum | Thu Oct 05 10:37:10 EDT 2006 | David
Hello all, We have problem with voids in one of our product. We are soldering IC (package SO8) with under the components grounding connection. The ground pad for this component has 3 via holes (before producing we have to cover this 3 holes from b
Electronics Forum | Fri Nov 15 17:35:01 EST 2013 | hegemon
I'm not sure eyesight is needed to check for blade damage. Close your eyes. Run your finger along the edge of the blade. If you feel any roughness or "catching" as your finger drags, then you have a damaged blade. SPI would tell you this as well,
Electronics Forum | Wed Dec 04 08:02:02 EST 2019 | proceng1
Contact George Castonguay at PPM. He is a Jedi when it comes to these machines. In fact, since you just got it, a good investment would be to have George come in and go through the machine and get it calibrated. 603-895-5112 They also sell parts
Electronics Forum | Sat Oct 28 08:41:37 EDT 2000 | Aaron
1. Check printing accuracy. 2. Check placement accuracy. 3. Your components should be kept in a good environment to prevent oxidation of terminations. 4. Pads pattern should be designed according to standards. If 1.2. are okay, you should suspect 3
