Electronics Forum | Tue Jan 17 11:52:07 EST 2006 | pms
Got a wierd one here, 0402's tomb-stoning. Scenerio---- Double sided PCB, paste both sides, 0402 on both sides. Reflow bottom side first--- no problems. Reflow topside next----no problems with topside components, BUT, the bottom side that was ref
Electronics Forum | Mon Dec 22 02:25:45 EST 1997 | Sultan Mahmood
WE have a problem of tomb stoning in our smd assemblies during curing process of the boards in our Infra Red Soldering bath. Would you like to give us solution how to resove this proble? Thankyou Regards
Electronics Forum | Mon Dec 22 02:33:25 EST 1997 | jergog
do a good edit on the smt machines | WE have a problem of tomb stoning in our smd assemblies during curing process of the boards in our Infra Red Soldering bath. Would you like to give us solution how to resove this proble? | Thankyou | Regards
Electronics Forum | Wed Jan 18 11:06:44 EST 2006 | Bjorn Kerkin Durk
Jurkin' derkin jerkin ged-dern twoomb stone is a cornspeerwacy!
Electronics Forum | Wed Jan 18 11:29:34 EST 2006 | Burgandy
Your right on the money there Peter. Steve, over to you!!!!
Electronics Forum | Thu Jan 19 07:58:50 EST 2006 | chunks
Finny dat Darnel. Guess this proves that jerks can cause tombstoning.
Electronics Forum | Mon Jun 16 23:57:47 EDT 2008 | grantp
Hi, How has it worked for you with small parts such as 0402, and are you using these size parts, and getting any tomb-stoning problems? We used lead paster with our vapor phase, while lead free should have less surface tension, so I have always won
Electronics Forum | Sun Jun 10 11:31:27 EDT 2001 | nifhail
Everybody aware of the tomb-stone problem on 0402 package. I've done everything I could i.e. Profile, placement, 10 Deg placement, stencil design, but still this culprit exist. One things for sure is taht I have a very bad pad size for 0402 ( 25 mil
Electronics Forum | Fri Jul 16 10:55:54 EDT 1999 | Jeff Ferry
We have been asked to rework several thousand bare circuit boards. A design change now requires 2 chip components where 1 was originally required. Round test pads near this area will be used to complete this circuit rework, however these test pads a
Electronics Forum | Thu Jul 22 03:58:28 EDT 1999 | George Verboven (Process Engineer)
| We have been asked to rework several thousand bare circuit boards. A design change now requires 2 chip components where 1 was originally required. Round test pads near this area will be used to complete this circuit rework, however these test pads
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