Electronics Forum | Mon Apr 23 14:36:16 EDT 2001 | CAL
Ah Yes.............My 600 A version has it in the back as well Cal
Electronics Forum | Thu Feb 12 11:35:17 EST 2004 | Kris
what is the composition of the paste and ball ? Interesting to know why the customer is asking you to look for it Thx
Electronics Forum | Fri Feb 13 11:19:07 EST 2004 | Evtimov
Hi Bryan The answer is in the paste compozition. Balls of the BGA are usually made by eutetic solder paste.
Electronics Forum | Mon Jun 28 01:44:02 EDT 2004 | George
Thanks a lot !
Electronics Forum | Thu Dec 26 12:12:55 EST 2013 | igorfo
Dear Friends, I need your help to understand requirements and measurement methods for bow and twist of assembled PCB (PCBA have and SMT and TH components). I already check all posts on the site but didn't found any related to my question answers.
Electronics Forum | Mon Apr 09 22:40:38 EDT 2018 | jacobidiego
What kind of level have micrometer precition?
Electronics Forum | Mon Nov 20 04:04:42 EST 2000 | Gyver
Sirs, Please do me a favor to answer the following questions, thanks a million! 1. Will the baking of BGA or PCB cause more oxidation before the SMT process? 2. What is the acceptable Life Time of solderability at customer site? The time that the sol
Electronics Forum | Fri Apr 20 07:30:14 EDT 2001 | wbu
In short: the measured deviation / the length this deviation occurs * 100% = % of deviation Actually we encounter mostly "twist" so we put the board on a flat surface, hold it down at the corners to see if any of the corners lifts, measure the heig
Electronics Forum | Thu Nov 11 17:04:31 EST 1999 | Michael Parker
I am looking for advice on sourcing a x,y digitizer to create pick and place files, off-line, rather than programming with the machine. I could use original gerber data or create the placement coordinates with the digitizer. Also, references to equip
Electronics Forum | Mon Jul 10 09:25:47 EDT 2006 | nodlac
Here is a nugget from the Data Sheet... Wave Soldering: Excess moisture on the PCB during soldering may lead to random solder balling and poor wetting of some solder joints. IT IS IMPORTANT that the flux solvent carrier (water) is fully evaporated a
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