Electronics Forum: works (Page 586 of 1069)

First documented case of tin whisker formation

Electronics Forum | Wed May 17 16:15:30 EDT 2006 | muse95

Try from this link. Then you just need to select the link for the pdf document. http://forum.europa.eu.int/Public/irc/env/dir_2002_95/library?l=/stakeholders_comments/individual_business/rohsusa_inc/jes00c337pdf/_IT_1.0_ Patrick's link didn't work

Business question for you CMers

Electronics Forum | Thu May 18 15:47:18 EDT 2006 | slthomas

Don't really know if fixing the damage would even fix the board. The cut is deep, short, and narrow, like it was stabbed with an Exacto point. There is visible disruption to copper in the second layer but we can't tell if there is an open, a short, o

Laser Depaneling / Routing

Electronics Forum | Thu Oct 26 08:17:33 EDT 2006 | WAH

As R&D project leader I have worked at FICO on this issue the last years. Maybe you have found the info you are looking for but for laser cutting are more companies involved than the three you found, the experience I have with laser cutting for PCB p

SMT Assembly Line

Electronics Forum | Mon May 29 12:09:16 EDT 2006 | jbrower

Goll dang Guru, I didn't win any money off of you yet but keep up the good work! I didn't know you were pushing a process that converts coal into carbon monoxide and hydrogen! Amazing! Keep up with your seven dollar words. You are a funny guy! By t

Aspect Ratio Calculation

Electronics Forum | Sun May 28 08:24:50 EDT 2006 | Sjm

I read about 10:1 , 6:1 aspect ratio but I don't understand how it works. Can someone explain how you figure out the aspect ratio on a design with a board thickness of .093 and via hole size of .010 I don't know how to get the 6:1 number Is it the b

Thermal Profiler Shield

Electronics Forum | Fri Jun 02 09:53:11 EDT 2006 | ratsalad

I used 1' of McMaster part # 8821K6 (0.110" thick). It is rated to 600F. I believe I put four layers over my profiler but I'd recommend starting with two. If you need more you can add it. Make the sock good and tight because the fabric seems to h

SMT resistors

Electronics Forum | Tue Jun 06 12:19:06 EDT 2006 | Rob

Hi John, They may still read the correct value initially, but they are not going to age well if the electrodes start oxidising. Also the high voltage surge performance & the impedance are likely to be effected, however these may be unimportant to y

Running with sn100c in my solder pot!

Electronics Forum | Tue Jun 27 01:41:42 EDT 2006 | grantp

Hi, How come so many good threads get off track because of this Guru fool. To get back on track, we have been running SN100C in our pot for a few weeks now, and it's incredible, and working really well. Glad I listened to the advise of people on th

Gold Thickness

Electronics Forum | Fri Jun 09 10:04:16 EDT 2006 | Rob

I know it's friday afternoon, and it's actually hot for once in this country, so my brain may not be working properly here, but isn't 30 micro inches of gold about 0.75 Microns? So that's dead in the middle for gold plating thickness (like gold finge

Problems with SN100C in a Soltec Delta C Wave

Electronics Forum | Mon Jun 12 19:33:12 EDT 2006 | grantp

Hi, Thanks, and we are doing that today. After spending the day playing with all the usual things that used to work, we are focusing today on profiling and data to get things right. The only worry I have is did we get a wave that can handle this, a


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