Electronics Forum | Fri Nov 10 10:04:54 EST 2000 | Peter Loten
Some AOI machines take your pick & place data with the component reference datincluded as defining the design . This is very quick. The only time consuming area is to build up a library of visul templates of the components (but you only do it once pe
Electronics Forum | Mon Oct 04 12:18:43 EDT 1999 | RICK_EEI
Hi everyone, I need some help on the whole process of double sided surface mount. We have been doing surface mount for about 3 months and we're getting ready to take on our first doule sided board. I just need some step by step process regarding sold
Electronics Forum | Sun Oct 03 18:26:17 EDT 1999 | park
What are pro's and con's of reflowing top side first and curing bottom side chip components, and then wave soldering bottom side? How about curing bottom side first and reflowing top side later? What percentage of companies run reflow/cure/wave for
Electronics Forum | Thu Sep 30 10:30:11 EDT 1999 | Chris May
I am having problems processing immersion gold boards. The achieved solder joints appear acceptable a la IPC-A-610, but the resultant joint does not fully cover the land, i.e. you can still see an outline of gold pad. What is the best way to achieve
Electronics Forum | Wed Sep 29 03:41:32 EDT 1999 | Wolfgang Busko
| Hi All, | Any one experince BGA-chipset warp about 10-15mil after removing | from PCB? | FYI, the rework temperature for preheat was 170C from room | temperature about 30 seconds, & BGA was removed at temperature | between 190-200C. | Thankyou.
Electronics Forum | Wed Sep 29 22:50:57 EDT 1999 | Dave F
| Hi All, | Any one experince BGA-chipset warp about 10-15mil after removing | from PCB? | FYI, the rework temperature for preheat was 170C from room | temperature about 30 seconds, & BGA was removed at temperature | between 190-200C. | Thankyou.
Electronics Forum | Mon Sep 27 12:13:14 EDT 1999 | Eric Maddy
I'm trying to start a small SMT contract shop and I need assistance in selecting equipment. Quad seems to be the leader but if there is something else out there that can better suit me please let me know. My shop starting out is going to be kinda sm
Electronics Forum | Sun Sep 26 06:17:58 EDT 1999 | Guido Vogel
Writing the final report for my engineering studies (microsystem technology) I'm treating the identification of PCBs from automotive applications by laser marking with a data matrix code. No I'm trying to set up a programme of how to test the lifet
Electronics Forum | Sun Sep 26 05:27:35 EDT 1999 | Edmund
i had a problem here, during the wave soldering process, we apply a water soluble mask on the gold finger to protect it from contamination. But after washing, there is still some mask left on the gold finger. Can anyone pls advise is there any parame
Electronics Forum | Thu Sep 23 09:10:53 EDT 1999 | Wolfgang Busko
| I need know the types, characteristic specials for temperature, general characteristics and all I need know about of manufacturer for BGA. | | I Hope than you send my information about this. | | Try this Link http://mot-sps.com/soluti
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