Electronics Forum: what is tombstoning (Page 11 of 67)

What is electrical clearance?

Electronics Forum | Thu May 26 21:04:04 EDT 2005 | thaqalain

What is electrical clearance?

What is this?

Electronics Forum | Wed Nov 06 22:06:54 EST 2002 | davef

pls send pix

What is TCP

Electronics Forum | Mon Oct 11 23:58:00 EDT 1999 | Patrick Wong

Do anyone know what is TCP. I was told it is tape carrier package but have found nothing relating to this. Could someone please explain the whole tecnology and point to site relating to this so that i can understand more on this.

What is Stain-Shield?

Electronics Forum | Wed Apr 10 06:03:14 EDT 2002 | capfelix

Does anyone heard of stain-shield term? It's related to screen process but not sure what's its exact meaning. Is it necessary in a SMT process? Thanks!

What is Cu-EFTEC 64T?

Electronics Forum | Wed May 05 13:18:08 EDT 2004 | Raymond

I've been trying to find the metal composition of various lead frames. I keep reading about Cu-EFTEC 64T but can't find any info on it. Does anyone know what material this is?

What is delta t?

Electronics Forum | Wed Oct 24 01:47:21 EDT 2007 | mpolak

hi everyone I'm new at forum. Could someone explain me what is delta t and why its so important. thanks marcin

What is delta t?

Electronics Forum | Wed Oct 24 08:20:03 EDT 2007 | hussman

Actually, it applies to conditions from cold to hot AND hot to cold. The measure of T is graphed against time. Time is what you measure the difference of temperature against. I was hoping to influence this engineer to find this out on his own, but

What is the issue?

Electronics Forum | Fri Jul 31 18:56:24 EDT 2020 | rsatmech

I have attached few X ray images along with its components. I am regularly getting this issue from the same component. What is the root cause for this?? Is it component issue or my process issues. Kindly enlight me.

What is this?

Electronics Forum | Thu Nov 07 07:53:27 EST 2002 | cyber_wolf

Dr. Ning Cheng Lee from Indium Corp. of America has written papers on this phenomenon.Perhaps they would be willing to assist you. I am pretty sure I know exactly what you are talking about. We see this as well.Does it kinda resemble a disturbed sol

What is delta t?

Electronics Forum | Wed Oct 24 07:59:25 EDT 2007 | ck_the_flip

To expound on what Hussman says, Wikipedia defines Delta (a Greek letter that looks like a triangle) as, "A macroscopic change in the value of a variable in mathematics or science." Anyone who's taken Physics would know what this is. In soldering,


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