Electronics Forum: what is tombstoning (Page 1 of 69)

what is wonder solder

Electronics Forum | Fri Oct 08 07:27:23 EDT 2004 | RON Z.

What is wonder solder.

what is wonder solder

Electronics Forum | Fri Oct 08 08:28:27 EDT 2004 | davef

Wonder Solder [ TRT-Wonder.com ] is a proprietary silver solder. Some cynics might say Wonder Solder got its name because the people that started the firm wondered if anyone was crazy enough to pay that much for solder. Most audiophile silver solde

preheat slope vs ramp up- what is different?

Electronics Forum | Tue Jul 06 00:23:11 EDT 2010 | cksam

I am doing the case study of the component chip 0201 tombstoning problem. The significant causes was the reflow profiling preheat slope or ramp up rate. I really can't differential between preheat slope and ramp up rate. Could anyone here show me the

Re: tombstoning after wave?

Electronics Forum | Tue Dec 12 08:44:27 EST 2000 | Wolfgang Busko

Another theory just developed in this very moment is that the glue did for what reason ever become "liquid" to a certain degree allowing gravity to do what gravity normally does but only to a certain point where this bubble-gum-like state stopped ( w

Re: tombstoning after wave?

Electronics Forum | Mon Dec 11 03:46:14 EST 2000 | JohnW

I have to say I've never heard of anything tombstoning over wave, I've seen issues where the glue dot is too high or off to one side creating a poorly seated component that has too big a gap between pad and endcap(and hence an open), but never a tomb

tombstoning (leadfree solder paste)

Electronics Forum | Thu Jul 15 14:01:15 EDT 2004 | nanref

WERW HAVING PROBLEM IN OUR PRODUCT SINCE WE STARTED USING A LEADFREE SOLDER PASTE..REJECTS OF TOMBSTONING IS SO ERRATIC...HOPE YOU CAN GIVE SOME INPUTS HOW TO CONTROL THIS..WHAT IS THE POSSIBLE CAUSE?THANKS

Re: tombstoning after wave?

Electronics Forum | Wed Dec 13 06:08:48 EST 2000 | jackofalltrades

We have seen this type of problem. After eliminating possibility after possibility we corrected the problem by throwing out the glue and starting fresh. It was not expired, just bad for whatever reason, we could not asertain what went wrong with it.

Re: tombstoning after wave?

Electronics Forum | Tue Dec 12 08:53:40 EST 2000 | Wolfgang Busko

I�m with ya both. I�m wondering why the hell those buggers didn�t just drop and started a new career mingling with the dross in the pot. If only a few for statistical reason and to confuse us all just showed this strange behavior and the majority de

what is a tray unit?

Electronics Forum | Tue Jun 07 05:21:35 EDT 2011 | lisalau

Can anybody tell me what is a Tray Unit?Who can show me a picture indicating the place of the Tray Unit? Thanks thanks!!millions of thanks! Lisa

what is a tray unit?

Electronics Forum | Tue Jun 07 10:45:17 EDT 2011 | davef

For pictures of a tray unit: * Go here http://eam.go-dove.com/salefiles/2313/2313_577.pdf * Scroll to Page 3 * Page down to the bottom of the page ... there are two pictures of placement machines with tray units attached Here's another unit that's

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