Electronics Forum: tomb stone (Page 1 of 8)

Tomb-Stoning. What's going on here?

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

Tomb stoning

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

Re: Tomb stoning

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

Tomb-Stoning. What's going on here?

Electronics Forum | Wed Jan 18 11:06:44 EST 2006 | Bjorn Kerkin Durk

Jurkin' derkin jerkin ged-dern twoomb stone is a cornspeerwacy!

Tomb-Stoning. What's going on here?

Electronics Forum | Wed Jan 18 11:29:34 EST 2006 | Burgandy

Your right on the money there Peter. Steve, over to you!!!!

Tomb-Stoning. What's going on here?

Electronics Forum | Thu Jan 19 07:58:50 EST 2006 | chunks

Finny dat Darnel. Guess this proves that jerks can cause tombstoning.

Vapor (vapour) Phase?

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

Reflow Oven vs 0402 Tomb Stone

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

Tomb Stoning

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

Re: Tomb Stoning

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

  1 2 3 4 5 6 7 8 Next

tomb stone searches for Companies, Equipment, Machines, Suppliers & Information

Pillarhouse USA for handload Selective Soldering Needs

World's Best Reflow Oven Customizable for Unique Applications
best pcb reflow oven

World Source Equipment: Used equipment sale. Hundreds of items on sale.
pressure curing ovens

Real Time Process Control BREAKTHROUGH for Dispensing Industry.
Selective soldering solutions with Jade soldering machine

Software for SMT placement & AOI - Free Download.
SMT spare parts

Thermal Transfer Materials.