Electronics Forum | Sat Nov 13 03:10:36 EST 2021 | pti88
why poor contact between PCBA board and probe？ When I used ICT to test PCBA board, there was poor contact between board and probe .
Electronics Forum | Mon Aug 27 09:56:00 EDT 2001 | stefan
I wonder what kind of equipment the board designer had in mind? Are you shure you can do the board with a Mydata ? Where do you put the tray for your 20 mil QFP's? 10 mm thick plus component height also appears to be a problem. Multitroniks can do la
Electronics Forum | Fri Sep 21 14:35:48 EDT 2012 | ekki511
HI all togehter we are looking now for a YAMAHY board for our Eclips . We found a bad board : KG2-M5840-512 this is the AS board assy a AC/DC servo board Can anybody help us to find one ? Thanks in advance Ekkehart
Electronics Forum | Thu Oct 25 07:54:57 EDT 2007 | hussman
It's all by feel and looks. Too many variables to tell you exact number of times. Most profile boards are set up to perform initial profile and then repeatability at a set period after that. So changing boards will alter the t-couple and skew your
Electronics Forum | Fri Nov 09 08:45:31 EST 2007 | philkaz
I am in the R&D department at KIC. We have been making thermal profiling equipment for 20+ years. A standard circuit board is made from FR4 fiberglass. A typical solder reflow profile, whether leaded or unleaded, takes the board above the "glass t
Electronics Forum | Tue Apr 07 22:34:14 EDT 2009 | 1036
Board delaminated after reflow - see attached picture. Does moisture cause this problem?
Electronics Forum | Wed Apr 08 11:05:53 EDT 2009 | boardhouse
Hi, Need a little more info, 1) this board is definitely delaminated 2) this board looks like a Std FR4 board with 63/37 Hot air finish with probably 140 tg. material. Was this reflowed under lead free temps? 3) Do you Pre-bake product 4) What
Electronics Forum | Mon Jun 01 12:02:03 EDT 2015 | kkay
They are too small to use on our router. Is there a way to cut boards with a press?
Electronics Forum | Fri May 24 16:16:45 EDT 2019 | emeto
If it passes functional test it is a good board.
Electronics Forum | Wed Nov 17 20:11:29 EST 2021 | dwl
is there flux on the board? are you probing a test point or a soldered pad? is the probe hitting the right spot?
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